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Merge branch 'master' into master

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11
README.md
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@ -20,17 +20,22 @@ In additional to Spring, the following technologies are in focus: `core Java`, `
Building the project
====================
To do the full build, do: `mvn install -Pdefault -Dgib.enabled=false`
To do the full build, do: `mvn clean install`
Building a single module
====================
To build a specific module run the command: `mvn clean install -Dgib.enabled=false` in the module directory
To build a specific module run the command: `mvn clean install` in the module directory
Running a Spring Boot module
====================
To run a Spring Boot module run the command: `mvn spring-boot:run -Dgib.enabled=false` in the module directory
To run a Spring Boot module run the command: `mvn spring-boot:run` in the module directory
#Running Tests
The command `mvn clean install` will run the unit tests in a module.
To run the integration tests, use the command `mvn clean install -Pintegration-lite-first`

51
algorithms-miscellaneous-3/src/main/java/com/baeldung/algorithms/graphcycledetection/domain/Graph.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.algorithms.graphcycledetection.domain;
import java.util.ArrayList;
import java.util.List;
public class Graph {
private List<Vertex> vertices;
public Graph() {
this.vertices = new ArrayList<>();
}
public Graph(List<Vertex> vertices) {
this.vertices = vertices;
}
public void addVertex(Vertex vertex) {
this.vertices.add(vertex);
}
public void addEdge(Vertex from, Vertex to) {
from.addNeighbour(to);
}
public boolean hasCycle() {
for (Vertex vertex : vertices) {
if (!vertex.isVisited() && hasCycle(vertex)) {
return true;
}
}
return false;
}
public boolean hasCycle(Vertex sourceVertex) {
sourceVertex.setBeingVisited(true);
for (Vertex neighbour : sourceVertex.getAdjacencyList()) {
if (neighbour.isBeingVisited()) {
// backward edge exists
return true;
} else if (!neighbour.isVisited() && hasCycle(neighbour)) {
return true;
}
}
sourceVertex.setBeingVisited(false);
sourceVertex.setVisited(true);
return false;
}
}

56
algorithms-miscellaneous-3/src/main/java/com/baeldung/algorithms/graphcycledetection/domain/Vertex.java Normal file
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@ -0,0 +1,56 @@
package com.baeldung.algorithms.graphcycledetection.domain;
import java.util.ArrayList;
import java.util.List;
public class Vertex {
private String label;
private boolean visited;
private boolean beingVisited;
private List<Vertex> adjacencyList;
public Vertex(String label) {
this.label = label;
this.adjacencyList = new ArrayList<>();
}
public String getLabel() {
return label;
}
public void setLabel(String label) {
this.label = label;
}
public boolean isVisited() {
return visited;
}
public void setVisited(boolean visited) {
this.visited = visited;
}
public boolean isBeingVisited() {
return beingVisited;
}
public void setBeingVisited(boolean beingVisited) {
this.beingVisited = beingVisited;
}
public List<Vertex> getAdjacencyList() {
return adjacencyList;
}
public void setAdjacencyList(List<Vertex> adjacencyList) {
this.adjacencyList = adjacencyList;
}
public void addNeighbour(Vertex adjacent) {
this.adjacencyList.add(adjacent);
}
}

56
algorithms-miscellaneous-3/src/test/java/com/baeldung/algorithms/graphcycledetection/GraphCycleDetectionUnitTest.java Normal file
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@ -0,0 +1,56 @@
package com.baeldung.algorithms.graphcycledetection;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.baeldung.algorithms.graphcycledetection.domain.Graph;
import com.baeldung.algorithms.graphcycledetection.domain.Vertex;
public class GraphCycleDetectionUnitTest {
@Test
public void givenGraph_whenCycleExists_thenReturnTrue() {
Vertex vertexA = new Vertex("A");
Vertex vertexB = new Vertex("B");
Vertex vertexC = new Vertex("C");
Vertex vertexD = new Vertex("D");
Graph graph = new Graph();
graph.addVertex(vertexA);
graph.addVertex(vertexB);
graph.addVertex(vertexC);
graph.addVertex(vertexD);
graph.addEdge(vertexA, vertexB);
graph.addEdge(vertexB, vertexC);
graph.addEdge(vertexC, vertexA);
graph.addEdge(vertexD, vertexC);
assertTrue(graph.hasCycle());
}
@Test
public void givenGraph_whenNoCycleExists_thenReturnFalse() {
Vertex vertexA = new Vertex("A");
Vertex vertexB = new Vertex("B");
Vertex vertexC = new Vertex("C");
Vertex vertexD = new Vertex("D");
Graph graph = new Graph();
graph.addVertex(vertexA);
graph.addVertex(vertexB);
graph.addVertex(vertexC);
graph.addVertex(vertexD);
graph.addEdge(vertexA, vertexB);
graph.addEdge(vertexB, vertexC);
graph.addEdge(vertexA, vertexC);
graph.addEdge(vertexD, vertexC);
assertFalse(graph.hasCycle());
}
}

2
apache-geode/src/test/java/com/baeldung/geode/GeodeSamplesIntegrationTest.java → apache-geode/src/test/java/com/baeldung/geode/GeodeSamplesLiveTest.java
View File

@ -21,7 +21,7 @@ import java.util.stream.Stream;
import static org.junit.Assert.assertEquals;
public class GeodeSamplesIntegrationTest {
public class GeodeSamplesLiveTest {
ClientCache cache = null;
Region<String, String> region = null;

3
apache-olingo/README.md Normal file
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@ -0,0 +1,3 @@
## Relevant articles:
- [OData Protocol Guide](https://www.baeldung.com/odata)

15
apache-olingo/olingo2/pom.xml
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@ -44,11 +44,6 @@
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
@ -68,16 +63,6 @@
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>olingo-odata2-api</artifactId>
<version>${olingo2.version}</version>
</dependency>
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>olingo-odata2-jpa-processor-api</artifactId>
<version>${olingo2.version}</version>
</dependency>
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>olingo-odata2-jpa-processor-core</artifactId>

105
apache-olingo/olingo2/src/main/java/org/baeldung/examples/olingo2/domain/CarMaker.java
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@ -12,25 +12,104 @@ import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import lombok.Data;
@Entity
@Data
@Table(name="car_maker")
@Table(name = "car_maker")
public class CarMaker {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
@NotNull
@Column(name="name")
@Column(name = "name")
private String name;
@OneToMany(mappedBy="maker",
orphanRemoval = true,
cascade=CascadeType.ALL)
@OneToMany(mappedBy = "maker", orphanRemoval = true, cascade = CascadeType.ALL)
private List<CarModel> models;
/**
* @return the id
*/
public Long getId() {
return id;
}
/**
* @param id the id to set
*/
public void setId(Long id) {
this.id = id;
}
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @param name the name to set
*/
public void setName(String name) {
this.name = name;
}
/**
* @return the models
*/
public List<CarModel> getModels() {
return models;
}
/**
* @param models the models to set
*/
public void setModels(List<CarModel> models) {
this.models = models;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode());
result = prime * result + ((models == null) ? 0 : models.hashCode());
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
CarMaker other = (CarMaker) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
if (models == null) {
if (other.models != null)
return false;
} else if (!models.equals(other.models))
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
}

145
apache-olingo/olingo2/src/main/java/org/baeldung/examples/olingo2/domain/CarModel.java
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@ -1,6 +1,5 @@
package org.baeldung.examples.olingo2.domain;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
@ -11,28 +10,150 @@ import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import lombok.Data;
@Entity
@Data
@Table(name="car_model")
@Table(name = "car_model")
public class CarModel {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@NotNull
private String name;
@NotNull
private Integer year;
@NotNull
private String sku;
@ManyToOne(optional=false, fetch= FetchType.LAZY)
@JoinColumn(name="maker_fk")
@ManyToOne(optional = false, fetch = FetchType.LAZY)
@JoinColumn(name = "maker_fk")
private CarMaker maker;
/**
* @return the id
*/
public Long getId() {
return id;
}
/**
* @param id the id to set
*/
public void setId(Long id) {
this.id = id;
}
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @param name the name to set
*/
public void setName(String name) {
this.name = name;
}
/**
* @return the year
*/
public Integer getYear() {
return year;
}
/**
* @param year the year to set
*/
public void setYear(Integer year) {
this.year = year;
}
/**
* @return the sku
*/
public String getSku() {
return sku;
}
/**
* @param sku the sku to set
*/
public void setSku(String sku) {
this.sku = sku;
}
/**
* @return the maker
*/
public CarMaker getMaker() {
return maker;
}
/**
* @param maker the maker to set
*/
public void setMaker(CarMaker maker) {
this.maker = maker;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((id == null) ? 0 : id.hashCode());
result = prime * result + ((maker == null) ? 0 : maker.hashCode());
result = prime * result + ((name == null) ? 0 : name.hashCode());
result = prime * result + ((sku == null) ? 0 : sku.hashCode());
result = prime * result + ((year == null) ? 0 : year.hashCode());
return result;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
CarModel other = (CarModel) obj;
if (id == null) {
if (other.id != null)
return false;
} else if (!id.equals(other.id))
return false;
if (maker == null) {
if (other.maker != null)
return false;
} else if (!maker.equals(other.maker))
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
if (sku == null) {
if (other.sku != null)
return false;
} else if (!sku.equals(other.sku))
return false;
if (year == null) {
if (other.year != null)
return false;
} else if (!year.equals(other.year))
return false;
return true;
}
}

2
apache-olingo/olingo2/src/main/resources/application.yml
View File

@ -1,5 +1,5 @@
server:
port: 8180
port: 8080
spring:
jersey:

29
apache-olingo/olingo4/.gitignore vendored
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@ -1,29 +0,0 @@
HELP.md
/target/
!.mvn/wrapper/maven-wrapper.jar
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
/build/
### VS Code ###
.vscode/

95
apache-olingo/olingo4/pom.xml
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@ -1,95 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.3.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>org.baeldung.examples.olingo4</groupId>
<artifactId>olingo4-sample</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>olingo4-sample</name>
<description>Sample Olingo 4 Project</description>
<properties>
<java.version>1.8</java.version>
<odata.version>4.5.0</odata.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>odata-server-api</artifactId>
<version>${odata.version}</version>
</dependency>
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>odata-server-core</artifactId>
<version>${odata.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>odata-commons-api</artifactId>
<version>${odata.version}</version>
</dependency>
<dependency>
<groupId>org.apache.olingo</groupId>
<artifactId>odata-commons-core</artifactId>
<version>${odata.version}</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.3</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

20
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/DefaultODataFactory.java
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@ -1,20 +0,0 @@
package org.baeldung.examples.olingo4;
import org.apache.olingo.server.api.OData;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.stereotype.Component;
/**
* Default implementation for ODataFactory
* @author Philippe
*
*/
@Component
public class DefaultODataFactory implements ODataFactory {
@Override
public OData newInstance() {
return OData.newInstance();
}
}

8
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/ODataFactory.java
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@ -1,8 +0,0 @@
package org.baeldung.examples.olingo4;
import org.apache.olingo.server.api.OData;
public interface ODataFactory {
public OData newInstance();
}

8
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/ODataHttpHandlerFactory.java
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@ -1,8 +0,0 @@
package org.baeldung.examples.olingo4;
import org.apache.olingo.server.api.ODataHttpHandler;
public interface ODataHttpHandlerFactory {
ODataHttpHandler newInstance();
}

42
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/ODataHttpHandlerFactoryImpl.java
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@ -1,42 +0,0 @@
package org.baeldung.examples.olingo4;
import java.util.Collections;
import java.util.List;
import org.apache.olingo.commons.api.edm.provider.CsdlEdmProvider;
import org.apache.olingo.server.api.OData;
import org.apache.olingo.server.api.ODataHttpHandler;
import org.apache.olingo.server.api.ServiceMetadata;
import org.apache.olingo.server.api.processor.Processor;
import lombok.Builder;
@Builder
public class ODataHttpHandlerFactoryImpl implements ODataHttpHandlerFactory {
private final ODataFactory odataFactory;
private final CsdlEdmProvider edmProvider;
private final List<Processor> processors;
public ODataHttpHandlerFactoryImpl(ODataFactory odataFactory,CsdlEdmProvider edmProvider, List<Processor> processors) {
this.odataFactory = odataFactory;
this.edmProvider = edmProvider;
this.processors = processors;
}
@Override
public ODataHttpHandler newInstance() {
OData odata = odataFactory.newInstance();
ServiceMetadata metadata = odata.createServiceMetadata(edmProvider, Collections.emptyList());
ODataHttpHandler handler = odata.createHandler(metadata);
// Register all available processors
processors.forEach(p -> handler.register(p));
return handler;
}
}

35
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/ODataServiceConfiguration.java
View File

@ -1,35 +0,0 @@
package org.baeldung.examples.olingo4;
import java.util.List;
import javax.persistence.EntityManagerFactory;
import javax.servlet.http.HttpServlet;
import org.apache.olingo.commons.api.edm.provider.CsdlEdmProvider;
import org.apache.olingo.server.api.processor.Processor;
import org.baeldung.examples.olingo4.ODataHttpHandlerFactoryImpl.ODataHttpHandlerFactoryImplBuilder;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class ODataServiceConfiguration {
@Bean
public ServletRegistrationBean<HttpServlet> odataServletRegistration(ODataHttpHandlerFactory factory) {
ServletRegistrationBean<HttpServlet> srb =
new ServletRegistrationBean<>(new ODataServlet(factory), "/odata/*");
srb.setLoadOnStartup(1);
return srb;
}
@Bean
public ODataHttpHandlerFactory httpHandlerFactory(CsdlEdmProvider edmProvider, ODataFactory odataFactory, List<Processor> processors) {
return new ODataHttpHandlerFactoryImplBuilder()
.edmProvider(edmProvider)
.odataFactory(odataFactory)
.processors(processors)
.build();
}
}

38
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/ODataServlet.java
View File

@ -1,38 +0,0 @@
/**
*
*/
package org.baeldung.examples.olingo4;
import java.io.IOException;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.olingo.server.api.ODataHttpHandler;
/**
* @author Philippe
*
*/
public class ODataServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private final ODataHttpHandlerFactory odataHttpHandlerFactory;
public ODataServlet(ODataHttpHandlerFactory factory) {
this.odataHttpHandlerFactory = factory;
}
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
ODataHttpHandler handler = odataHttpHandlerFactory.newInstance();
handler.process(req, resp);
}
}

13
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/Olingo4SampleApplication.java
View File

@ -1,13 +0,0 @@
package org.baeldung.examples.olingo4;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Olingo4SampleApplication {
public static void main(String[] args) {
SpringApplication.run(Olingo4SampleApplication.class, args);
}
}

36
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/domain/CarMaker.java
View File

@ -1,36 +0,0 @@
package org.baeldung.examples.olingo4.domain;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import lombok.Data;
@Entity
@Data
@Table(name="car_maker")
public class CarMaker {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
private Long id;
@NotNull
@Column(name="name")
private String name;
@OneToMany(mappedBy="maker",
orphanRemoval = true,
cascade=CascadeType.ALL)
private List<CarModel> models;
}

38
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/domain/CarModel.java
View File

@ -1,38 +0,0 @@
package org.baeldung.examples.olingo4.domain;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import lombok.Data;
@Entity
@Data
@Table(name="car_model")
public class CarModel {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private Long id;
@NotNull
private String name;
@NotNull
private Integer year;
@NotNull
private String sku;
@ManyToOne(optional=false, fetch= FetchType.EAGER )
@JoinColumn(name="maker_fk")
private CarMaker maker;
}

46
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/edm/EdmTypeMapper.java
View File

@ -1,46 +0,0 @@
package org.baeldung.examples.olingo4.edm;
import java.util.Collections;
import java.util.Date;
import java.util.Map;
import java.util.UUID;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.sql.Time;
import java.util.AbstractMap.SimpleEntry;
import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeKind;
import org.springframework.stereotype.Component;
@Component
public class EdmTypeMapper {
public EdmPrimitiveTypeKind java2edm(Class<?> clazz) {
EdmPrimitiveTypeKind result = java2edm.get(clazz);
if ( result == null ) {
throw new IllegalArgumentException("[E19] Unsupported class mapping: class=" + clazz);
}
else {
return result;
}
}
// Static map used generate attribute metadada based on Java types
static Map<Class<?>,EdmPrimitiveTypeKind> java2edm = Collections
.unmodifiableMap(Stream.of(
new SimpleEntry<>(Boolean.class,EdmPrimitiveTypeKind.Boolean),
new SimpleEntry<>(Byte.class,EdmPrimitiveTypeKind.SByte),
new SimpleEntry<>(Date.class,EdmPrimitiveTypeKind.Date),
new SimpleEntry<>(Time.class,EdmPrimitiveTypeKind.TimeOfDay),
new SimpleEntry<>(Number.class,EdmPrimitiveTypeKind.Decimal),
new SimpleEntry<>(Float.class,EdmPrimitiveTypeKind.Single),
new SimpleEntry<>(Double.class,EdmPrimitiveTypeKind.Double),
new SimpleEntry<>(UUID.class,EdmPrimitiveTypeKind.Guid),
new SimpleEntry<>(Short.class,EdmPrimitiveTypeKind.Int16),
new SimpleEntry<>(Integer.class,EdmPrimitiveTypeKind.Int32),
new SimpleEntry<>(Long.class,EdmPrimitiveTypeKind.Int64),
new SimpleEntry<>(String.class,EdmPrimitiveTypeKind.String)
).collect(Collectors.toMap((e)-> e.getKey(),(e)-> e.getValue())));
}

269
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package org.baeldung.examples.olingo4.edm;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import javax.persistence.EntityManagerFactory;
import javax.persistence.metamodel.Attribute.PersistentAttributeType;
import javax.persistence.metamodel.EntityType;
import javax.persistence.metamodel.Metamodel;
import javax.persistence.metamodel.PluralAttribute;
import javax.persistence.metamodel.SingularAttribute;
import org.apache.olingo.commons.api.edm.FullQualifiedName;
import org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider;
import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainer;
import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainerInfo;
import org.apache.olingo.commons.api.edm.provider.CsdlEntitySet;
import org.apache.olingo.commons.api.edm.provider.CsdlEntityType;
import org.apache.olingo.commons.api.edm.provider.CsdlNavigationProperty;
import org.apache.olingo.commons.api.edm.provider.CsdlProperty;
import org.apache.olingo.commons.api.edm.provider.CsdlPropertyRef;
import org.apache.olingo.commons.api.edm.provider.CsdlSchema;
import org.apache.olingo.commons.api.ex.ODataException;
import org.springframework.stereotype.Component;
@Component
public class JpaEdmProvider extends CsdlAbstractEdmProvider {
EntityManagerFactory emf;
//
private EdmTypeMapper typeMapper;
// Service Namespace
public static final String NAMESPACE = "Baeldung.OData";
// EDM Container
public static final String CONTAINER_NAME = "Cars";
public static final FullQualifiedName CONTAINER = new FullQualifiedName(NAMESPACE, CONTAINER_NAME);
// Caches of OData types by it fully qualified name
private Map<FullQualifiedName, CsdlEntityType> cdslName2Type = new HashMap<>();
public JpaEdmProvider(EntityManagerFactory emf, EdmTypeMapper mapper) {
this.emf = emf;
this.typeMapper = mapper;
}
/* (non-Javadoc)
* @see org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider#getEntitySet(org.apache.olingo.commons.api.edm.FullQualifiedName, java.lang.String)
*/
@Override
public CsdlEntitySet getEntitySet(FullQualifiedName entityContainer, String entitySetName) throws ODataException {
if (entityContainer.equals(CONTAINER)) {
EntityType<?> e = emf.getMetamodel()
.getEntities()
.stream()
.filter((ent) -> (ent.getName() + "s")
.equals(entitySetName))
.findFirst()
.orElse(null);
if (e != null) {
CsdlEntitySet entitySet = new CsdlEntitySet();
entitySet
.setName(entitySetName)
.setType(new FullQualifiedName(NAMESPACE, e.getName()));
return entitySet;
}
}
return null;
}
/* (non-Javadoc)
* @see org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider#getEntityContainerInfo(org.apache.olingo.commons.api.edm.FullQualifiedName)
*/
@Override
public CsdlEntityContainerInfo getEntityContainerInfo(FullQualifiedName entityContainerName) throws ODataException {
// This method is invoked when displaying the Service Document at e.g. http://localhost:8080/DemoService/DemoService.svc
if (entityContainerName == null || entityContainerName.equals(CONTAINER)) {
CsdlEntityContainerInfo entityContainerInfo = new CsdlEntityContainerInfo();
entityContainerInfo.setContainerName(CONTAINER);
return entityContainerInfo;
}
return null;
}
/* (non-Javadoc)
* @see org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider#getSchemas()
*/
@Override
public List<CsdlSchema> getSchemas() throws ODataException {
// create Schema
CsdlSchema schema = new CsdlSchema();
schema.setNamespace(NAMESPACE);
// add EntityTypes
List<CsdlEntityType> entityTypes = emf.getMetamodel()
.getEntities()
.stream()
.map((e) -> {
try {
return getEntityType(new FullQualifiedName(NAMESPACE, e.getName()));
} catch (ODataException oe) {
throw new RuntimeException(oe);
}
})
.collect(Collectors.toList());
schema.setEntityTypes(entityTypes);
// add EntityContainer
schema.setEntityContainer(getEntityContainer());
// finally
List<CsdlSchema> schemas = new ArrayList<CsdlSchema>();
schemas.add(schema);
return schemas;
}
/* (non-Javadoc)
* @see org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider#getEntityContainer()
*/
@Override
public CsdlEntityContainer getEntityContainer() throws ODataException {
// add EntityTypes
List<CsdlEntitySet> entitySets = emf.getMetamodel()
.getEntities()
.stream()
.map((e) -> {
try {
// Here we use a simple mapping strategy to map entity types to entity set names:
return getEntitySet(CONTAINER, e.getName() + "s");
} catch (ODataException oe) {
throw new RuntimeException(oe);
}
})
.collect(Collectors.toList());
// create EntityContainer
CsdlEntityContainer entityContainer = new CsdlEntityContainer();
entityContainer.setName(CONTAINER_NAME);
entityContainer.setEntitySets(entitySets);
return entityContainer;
}
@Override
public CsdlEntityType getEntityType(FullQualifiedName entityTypeName) throws ODataException {
CsdlEntityType result = cdslName2Type.get(entityTypeName);
if ( result != null ) {
return result;
}
Metamodel mm = emf.getMetamodel();
result = mm.getEntities()
.stream()
.filter(et -> entityTypeName.equals(new FullQualifiedName(NAMESPACE, et.getName())))
.map(et -> buildODataType(et))
.findFirst()
.orElse(null);
// save for future use
cdslName2Type.put(entityTypeName, result);
return result;
}
/**
* Maps a JPA type to its OData counterpart.
* @param et
* @return
*/
protected CsdlEntityType buildODataType(EntityType<?> et) {
CsdlEntityType result = new CsdlEntityType();
result.setName(et.getName());
// Process simple properties
List<CsdlProperty> properties = et.getDeclaredSingularAttributes()
.stream()
.filter(attr -> attr.getPersistentAttributeType() == PersistentAttributeType.BASIC)
.map(attr -> buildBasicAttribute(et, attr))
.collect(Collectors.toList());
result.setProperties(properties);
// Process Ids
List<CsdlPropertyRef> ids = et.getDeclaredSingularAttributes()
.stream()
.filter(attr -> attr.getPersistentAttributeType() == PersistentAttributeType.BASIC && attr.isId())
.map(attr -> buildRefAttribute(et, attr))
.collect(Collectors.toList());
result.setKey(ids);
// Process 1:N navs
List<CsdlNavigationProperty> navs = et.getDeclaredPluralAttributes()
.stream()
.map(attr -> buildNavAttribute(et, attr))
.collect(Collectors.toList());
result.setNavigationProperties(navs);
// Process N:1 navs
List<CsdlNavigationProperty> navs2 = et.getDeclaredSingularAttributes()
.stream()
.filter(attr -> attr.getPersistentAttributeType() == PersistentAttributeType.MANY_TO_ONE)
.map(attr -> buildNavAttribute(et, attr))
.collect(Collectors.toList());
result.getNavigationProperties().addAll(navs2);
return result;
}
private CsdlProperty buildBasicAttribute(EntityType<?> et, SingularAttribute<?, ?> attr) {
CsdlProperty p = new CsdlProperty().setName(attr.getName())
.setType(typeMapper.java2edm(attr.getJavaType())
.getFullQualifiedName())
.setNullable(et.getDeclaredSingularAttribute(attr.getName())
.isOptional());
return p;
}
private CsdlPropertyRef buildRefAttribute(EntityType<?> et, SingularAttribute<?, ?> attr) {
CsdlPropertyRef p = new CsdlPropertyRef().setName(attr.getName());
return p;
}
// Build NavProperty for 1:N or M:N associations
private CsdlNavigationProperty buildNavAttribute(EntityType<?> et, PluralAttribute<?, ?, ?> attr) {
CsdlNavigationProperty p = new CsdlNavigationProperty().setName(attr.getName())
.setType(new FullQualifiedName(NAMESPACE, attr.getBindableJavaType().getSimpleName()))
.setCollection(true)
.setNullable(false);
return p;
}
// Build NavProperty for N:1 associations
private CsdlNavigationProperty buildNavAttribute(EntityType<?> et, SingularAttribute<?, ?> attr) {
CsdlNavigationProperty p = new CsdlNavigationProperty().setName(attr.getName())
.setType(new FullQualifiedName(NAMESPACE, attr.getBindableJavaType().getSimpleName()))
.setCollection(false)
.setNullable(attr.isOptional());
return p;
}
}

161
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package org.baeldung.examples.olingo4.processor;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collection;
import java.util.List;
import javax.persistence.EntityManagerFactory;
import javax.persistence.metamodel.EntityType;
import javax.persistence.metamodel.SingularAttribute;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.olingo.commons.api.data.ContextURL;
import org.apache.olingo.commons.api.data.Entity;
import org.apache.olingo.commons.api.data.EntityCollection;
import org.apache.olingo.commons.api.data.Property;
import org.apache.olingo.commons.api.data.ValueType;
import org.apache.olingo.commons.api.edm.EdmEntitySet;
import org.apache.olingo.commons.api.edm.EdmEntityType;
import org.apache.olingo.commons.api.edm.EdmNavigationProperty;
import org.apache.olingo.commons.api.ex.ODataRuntimeException;
import org.apache.olingo.commons.api.format.ContentType;
import org.apache.olingo.commons.api.http.HttpHeader;
import org.apache.olingo.commons.api.http.HttpStatusCode;
import org.apache.olingo.server.api.OData;
import org.apache.olingo.server.api.ODataApplicationException;
import org.apache.olingo.server.api.ODataLibraryException;
import org.apache.olingo.server.api.ODataRequest;
import org.apache.olingo.server.api.ODataResponse;
import org.apache.olingo.server.api.ServiceMetadata;
import org.apache.olingo.server.api.processor.CountEntityCollectionProcessor;
import org.apache.olingo.server.api.processor.EntityCollectionProcessor;
import org.apache.olingo.server.api.serializer.EntityCollectionSerializerOptions;
import org.apache.olingo.server.api.serializer.ODataSerializer;
import org.apache.olingo.server.api.serializer.SerializerResult;
import org.apache.olingo.server.api.uri.UriInfo;
import org.apache.olingo.server.api.uri.UriParameter;
import org.apache.olingo.server.api.uri.UriResource;
import org.apache.olingo.server.api.uri.UriResourceEntitySet;
import org.baeldung.examples.olingo4.repository.RepositoryRegistry;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Component;
@Component
public class JpaEntityCollectionProcessor implements CountEntityCollectionProcessor {
private OData odata;
private ServiceMetadata serviceMetadata;
private EntityManagerFactory emf;
private RepositoryRegistry repositoryRegistry;
private JpaEntityMapper entityMapper;
public JpaEntityCollectionProcessor(EntityManagerFactory emf, RepositoryRegistry repositoryRegistry, JpaEntityMapper entityMapper) {
this.emf = emf;
this.repositoryRegistry = repositoryRegistry;
this.entityMapper = entityMapper;
}
@Override
public void init(OData odata, ServiceMetadata serviceMetadata) {
this.odata = odata;
this.serviceMetadata = serviceMetadata;
}
@Override
public void readEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
// 1st we have retrieve the requested EntitySet from the uriInfo object (representation of the parsed service URI)
List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); // in our example, the first segment is the EntitySet
EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
// 2nd: fetch the data from backend for this requested EntitySetName
// it has to be delivered as EntitySet object
EntityCollection entitySet = getData(edmEntitySet, uriInfo);
// 3rd: create a serializer based on the requested format (json)
ODataSerializer serializer = odata.createSerializer(responseFormat);
// 4th: Now serialize the content: transform from the EntitySet object to InputStream
EdmEntityType edmEntityType = edmEntitySet.getEntityType();
ContextURL contextUrl = ContextURL.with()
.entitySet(edmEntitySet)
.build();
final String id = request.getRawBaseUri() + "/" + edmEntitySet.getName();
EntityCollectionSerializerOptions opts = EntityCollectionSerializerOptions.with()
.id(id)
.contextURL(contextUrl)
.build();
SerializerResult serializerResult = serializer.entityCollection(serviceMetadata, edmEntityType, entitySet, opts);
InputStream serializedContent = serializerResult.getContent();
// Finally: configure the response object: set the body, headers and status code
response.setContent(serializedContent);
response.setStatusCode(HttpStatusCode.OK.getStatusCode());
response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
@Override
public void countEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo) throws ODataApplicationException, ODataLibraryException {
// 1st we have retrieve the requested EntitySet from the uriInfo object (representation of the parsed service URI)
List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); // in our example, the first segment is the EntitySet
EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
// 2nd: fetch the data from backend for this requested EntitySetName
Long count = getCount(edmEntitySet, uriInfo);
// Finally: configure the response object: set the body, headers and status code
response.setContent(new ByteArrayInputStream(count.toString().getBytes()));
response.setStatusCode(HttpStatusCode.OK.getStatusCode());
response.setHeader(HttpHeader.CONTENT_TYPE, "text/plain");
}
/**
* Helper method to retrieve all entities of an entity set from an the backend database
* @param edmEntitySet
* @param uriInfo
* @return
*/
protected EntityCollection getData(EdmEntitySet edmEntitySet, UriInfo uriInfo) {
EdmEntityType type = edmEntitySet.getEntityType();
JpaRepository<?, ?> repo = (JpaRepository<?, ?>)repositoryRegistry.getRepositoryForEntity(type);
EntityCollection result = new EntityCollection();
repo.findAll()
.stream()
.forEach((it) -> result.getEntities()
.add(entityMapper.map2entity(edmEntitySet, it)));
return result;
}
/**
* Helper method to get the total size of an entity set
* @param edmEntitySet
* @param uriInfo
* @return
*/
protected Long getCount(EdmEntitySet edmEntitySet, UriInfo uriInfo) {
EdmEntityType type = edmEntitySet.getEntityType();
JpaRepository<?, ?> repo = (JpaRepository<?, ?>)repositoryRegistry.getRepositoryForEntity(type);
EntityCollection result = new EntityCollection();
return repo.count();
}
}

93
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/**
*
*/
package org.baeldung.examples.olingo4.processor;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.net.URISyntaxException;
import javax.persistence.EntityManagerFactory;
import javax.persistence.metamodel.EntityType;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.olingo.commons.api.data.Entity;
import org.apache.olingo.commons.api.data.Property;
import org.apache.olingo.commons.api.data.ValueType;
import org.apache.olingo.commons.api.edm.EdmEntitySet;
import org.apache.olingo.commons.api.ex.ODataRuntimeException;
import org.springframework.stereotype.Component;
/**
* <p>Helper class that converts a JPA entity into an OData entity using
* available metadata from the JPA's EntityManagerFactory.</p>
*
* @author Philippe
*
*/
@Component
public class JpaEntityMapper {
private EntityManagerFactory emf;
public JpaEntityMapper(EntityManagerFactory emf) {
this.emf = emf;
}
public Entity map2entity(EdmEntitySet edmEntitySet, Object entry) {
EntityType<?> et = emf.getMetamodel()
.entity(entry.getClass());
Entity e = new Entity();
try {
et.getDeclaredSingularAttributes().stream()
.forEach( (attr) -> {
if ( !attr.isAssociation()) {
Object v = getPropertyValue(entry,attr.getName());
Property p = new Property(null, attr.getName(),ValueType.PRIMITIVE,v);
e.addProperty(p);
if ( attr.isId()) {
e.setId(createId(edmEntitySet.getName(),v));
}
}
});
} catch (Exception ex) {
throw new ODataRuntimeException("[E141] Unable to create OData entity", ex);
}
return e;
}
public Object getPropertyValue(Object entry, String name) {
try {
return PropertyUtils.getProperty(entry,name);
} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
throw new ODataRuntimeException("[E141] Unable to read property from entity, property=" + name, e);
}
}
public void setPropertyValue(Object entry, String name,Object value) {
try {
PropertyUtils.setProperty(entry,name,value);
} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
throw new ODataRuntimeException("[E141] Unable to read property from entity, property=" + name, e);
}
}
private URI createId(String entitySetName, Object id) {
try {
return new URI(entitySetName + "(" + String.valueOf(id) + ")");
} catch (URISyntaxException e) {
throw new ODataRuntimeException("[E177] Unable to create URI", e);
}
}
}

304
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/**
*
*/
package org.baeldung.examples.olingo4.processor;
import java.io.InputStream;
import java.util.List;
import java.util.Locale;
import java.util.Optional;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.metamodel.SingularAttribute;
import org.apache.olingo.commons.api.data.ContextURL;
import org.apache.olingo.commons.api.data.Entity;
import org.apache.olingo.commons.api.edm.EdmEntitySet;
import org.apache.olingo.commons.api.edm.EdmEntityType;
import org.apache.olingo.commons.api.edm.EdmNavigationProperty;
import org.apache.olingo.commons.api.ex.ODataRuntimeException;
import org.apache.olingo.commons.api.format.ContentType;
import org.apache.olingo.commons.api.http.HttpHeader;
import org.apache.olingo.commons.api.http.HttpStatusCode;
import org.apache.olingo.server.api.OData;
import org.apache.olingo.server.api.ODataApplicationException;
import org.apache.olingo.server.api.ODataLibraryException;
import org.apache.olingo.server.api.ODataRequest;
import org.apache.olingo.server.api.ODataResponse;
import org.apache.olingo.server.api.ServiceMetadata;
import org.apache.olingo.server.api.processor.EntityProcessor;
import org.apache.olingo.server.api.serializer.EntitySerializerOptions;
import org.apache.olingo.server.api.serializer.ODataSerializer;
import org.apache.olingo.server.api.serializer.SerializerResult;
import org.apache.olingo.server.api.uri.UriInfo;
import org.apache.olingo.server.api.uri.UriParameter;
import org.apache.olingo.server.api.uri.UriResource;
import org.apache.olingo.server.api.uri.UriResourceEntitySet;
import org.apache.olingo.server.api.uri.UriResourceNavigation;
import org.baeldung.examples.olingo4.repository.EdmEntityRepository;
import org.baeldung.examples.olingo4.repository.RepositoryRegistry;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Component;
/**
* JpaEntityProcessor adapter.
* <p>This implementation is heavily based on the Tutorial available
* at Olingo's site. It is meant to be an starting point for an actual implementation.</p>
* <p>Please note that many features from a full-fledged are missing
* @author Philippe
*
*/
@Component
public class JpaEntityProcessor implements EntityProcessor {
private EntityManagerFactory emf;
private OData odata;
private ServiceMetadata serviceMetadata;
private RepositoryRegistry registry;
private JpaEntityMapper entityMapper;
public JpaEntityProcessor(EntityManagerFactory emf, RepositoryRegistry registry, JpaEntityMapper entityMapper) {
this.emf = emf;
this.registry = registry;
this.entityMapper = entityMapper;
}
/* (non-Javadoc)
* @see org.apache.olingo.server.api.processor.Processor#init(org.apache.olingo.server.api.OData, org.apache.olingo.server.api.ServiceMetadata)
*/
@Override
public void init(OData odata, ServiceMetadata serviceMetadata) {
this.odata = odata;
this.serviceMetadata = serviceMetadata;
}
/* (non-Javadoc)
* @see org.apache.olingo.server.api.processor.EntityProcessor#readEntity(org.apache.olingo.server.api.ODataRequest, org.apache.olingo.server.api.ODataResponse, org.apache.olingo.server.api.uri.UriInfo, org.apache.olingo.commons.api.format.ContentType)
*/
@Override
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
// First, we have to figure out which entity is requested
List<UriResource> resourceParts = uriInfo.getUriResourceParts();
InputStream entityStream;
UriResourceEntitySet rootResourceEntitySet = (UriResourceEntitySet) resourceParts.get(0);
EdmEntitySet rootEntitySet = rootResourceEntitySet.getEntitySet();
List<UriParameter> rootPredicates = rootResourceEntitySet.getKeyPredicates();
if ( resourceParts.size() == 1 ) {
entityStream = readRootEntity(rootEntitySet,rootPredicates,responseFormat);
}
else if ( resourceParts.size() == 2 ) {
UriResource part = resourceParts.get(1);
if ( !(part instanceof UriResourceNavigation)) {
throw new ODataRuntimeException("[E103] part type not supported: class=" + part.getClass().getName());
}
UriResourceNavigation navSegment = (UriResourceNavigation)part;
entityStream = readRelatedEntity(request, rootEntitySet,rootPredicates,navSegment.getProperty(),navSegment.getKeyPredicates(),responseFormat);
}
else {
// For now, we'll only allow navigation just to directly linked navs
throw new ODataApplicationException("[E109] Multi-level navigation not supported", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
}
//4. configure the response object
response.setContent(entityStream);
response.setStatusCode(HttpStatusCode.OK.getStatusCode());
response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
}
// Lookup the EntitySet associated with an EntityType
// In our example, we assume we have only one entityset for each entity type
private EdmEntitySet entitySetFromType(EdmEntityType type) {
return serviceMetadata
.getEdm()
.getEntityContainer()
.getEntitySets()
.stream()
.filter((s) -> s.getEntityType().getName().equals(type.getName()))
.findFirst()
.orElseThrow(() -> new ODataRuntimeException("[E144] No entity set found for type " + type.getFullQualifiedName()));
}
//
// private boolean isOne2ManyProperty(EdmEntityType entityType, EdmNavigationProperty property) {
// return entityType.getProperty(property.getName()) != null && property.isCollection();
//}
@SuppressWarnings({ "rawtypes", "unchecked" })
private InputStream readRootEntity(EdmEntitySet entitySet, List<UriParameter> keyPredicates,ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
EdmEntityType type = entitySet.getEntityType();
JpaRepository repo = registry.getRepositoryForEntity(type);
// Get key value
Long keyValue = getEntityKey(keyPredicates);
Optional<Object> entry = repo.findById(keyValue);
if ( !entry.isPresent()) {
throw new ODataApplicationException(
"[E116] NO entity found for the given key",
HttpStatusCode.NOT_FOUND.getStatusCode(),
Locale.ENGLISH);
}
Entity e = entityMapper.map2entity(entitySet, entry.get());
return serializeEntity(entitySet,e,responseFormat);
}
private InputStream serializeEntity(EdmEntitySet entitySet, Entity entity,ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
ContextURL contextUrl = ContextURL.with().entitySet(entitySet).build();
// expand and select currently not supported
EntitySerializerOptions options = EntitySerializerOptions
.with()
.contextURL(contextUrl)
.build();
ODataSerializer serializer = odata.createSerializer(responseFormat);
SerializerResult serializerResult = serializer.entity(serviceMetadata, entitySet.getEntityType(), entity, options);
return serializerResult.getContent();
}
// @SuppressWarnings("unchecked")
// protected InputStream readRelatedEntities(EdmEntitySet rootEntitySet, List<UriParameter> rootPredicates, EdmNavigationProperty property, ContentType responseFormat) throws ODataApplicationException {
//
// Object jpaEntity = readJPAEntity(rootEntitySet, rootPredicates);
// try {
// Collection<Object> set = (Collection<Object>)PropertyUtils.getProperty(jpaEntity, property.getName());
// EdmEntitySet entitySet = entitySetFromType(property.getType());
// ContextURL contextUrl = ContextURL
// .with()
// .entitySet(entitySet)
// .build();
//
// EntityCollectionSerializerOptions options = EntityCollectionSerializerOptions
// .with()
// .contextURL(contextUrl)
// .build();
//
// EntityCollection result = new EntityCollection();
//
// set.stream()
// .map((o) -> this.entityMapper.map2entity(entitySet, o))
// .forEach((e) -> result.getEntities().add(e));
//
// ODataSerializer serializer = odata.createSerializer(responseFormat);
// SerializerResult serializerResult = serializer.entityCollection(serviceMetadata, property.getType(), result, options);
// return serializerResult.getContent();
// }
// catch(Exception ex) {
// throw new ODataRuntimeException("[E181] Error accessing database", ex);
// }
// }
@SuppressWarnings({ "rawtypes", "unchecked" })
private InputStream readRelatedEntity(ODataRequest request, EdmEntitySet entitySet, List<UriParameter> rootPredicates, EdmNavigationProperty property, List<UriParameter> parentPredicates, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
JpaRepository<Object,Object> repo = (JpaRepository<Object,Object>)registry.getRepositoryForEntity(entitySet.getEntityType());
EdmEntityRepository<Object> relatedRepo = (EdmEntityRepository<Object>)registry.getRepositoryForEntity(property.getType());
// We assume here that we have a bi-directional 1:N relationship, so we'll
// always have a property in the child entity that points to the parent
Class<?> rootClass = ((EdmEntityRepository)repo).getEntityClass();
Class<?> relatedClass = ((EdmEntityRepository)relatedRepo).getEntityClass();
SingularAttribute fk = emf.getMetamodel()
.entity(rootClass)
.getSingularAttributes()
.stream()
.filter((attr) -> {
boolean b = attr.isAssociation() && attr.getJavaType().isAssignableFrom(relatedClass);
return b;
})
.findFirst()
.orElse(null);
if ( fk == null ) {
throw new ODataRuntimeException("[E230] No singular attribute of child class '" + relatedClass.getName() + "' found" );
}
Long pkValue = getEntityKey(rootPredicates);
EntityManager em = this.emf.createEntityManager();
try {
// Read data from DB
Object root = em.find(rootClass, pkValue);
Object related = this.entityMapper.getPropertyValue(root, fk.getName());
EdmEntitySet relatedEntitySet = entitySetFromType(property.getType());
Entity e = entityMapper.map2entity(relatedEntitySet, related);
return serializeEntity(relatedEntitySet,e,responseFormat);
}
finally {
em.close();
}
}
// @SuppressWarnings("unchecked")
// private Object readJPAEntity(EdmEntitySet edmEntitySet, List<UriParameter> keyPredicates) throws ODataApplicationException {
// EdmEntityType type = edmEntitySet.getEntityType();
// JpaRepository<Object,Object> repo = (JpaRepository<Object,Object>)registry.getRepositoryForEntity(type);
//
// // Get key value
// Object keyValue = getEntityKey(type,keyPredicates);
// Object entry = repo
// .findById(keyValue)
// .orElseThrow(
// () -> new ODataApplicationException("[E116] NO entity found for the given key",
// HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ENGLISH));
//
// return entry;
// }
private Long getEntityKey(List<UriParameter> keyPredicates) {
if ( keyPredicates.size() > 1 ) {
throw new ODataRuntimeException("[E131] Composite keys are not supported");
}
// For now, we'll assume we only have numeric keys.
UriParameter keyParam = keyPredicates.get(0);
try {
return Long.parseLong(keyParam.getText());
}
catch(NumberFormatException nfe) {
throw new ODataRuntimeException("[E140] Invalid key value. Only numeric keys are supported by this service");
}
}
/* (non-Javadoc)
* @see org.apache.olingo.server.api.processor.EntityProcessor#createEntity(org.apache.olingo.server.api.ODataRequest, org.apache.olingo.server.api.ODataResponse, org.apache.olingo.server.api.uri.UriInfo, org.apache.olingo.commons.api.format.ContentType, org.apache.olingo.commons.api.format.ContentType)
*/
@Override
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see org.apache.olingo.server.api.processor.EntityProcessor#updateEntity(org.apache.olingo.server.api.ODataRequest, org.apache.olingo.server.api.ODataResponse, org.apache.olingo.server.api.uri.UriInfo, org.apache.olingo.commons.api.format.ContentType, org.apache.olingo.commons.api.format.ContentType)
*/
@Override
public void updateEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see org.apache.olingo.server.api.processor.EntityProcessor#deleteEntity(org.apache.olingo.server.api.ODataRequest, org.apache.olingo.server.api.ODataResponse, org.apache.olingo.server.api.uri.UriInfo)
*/
@Override
public void deleteEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo) throws ODataApplicationException, ODataLibraryException {
// TODO Auto-generated method stub
}
}

16
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/repository/CarMakerRepository.java
View File

@ -1,16 +0,0 @@
package org.baeldung.examples.olingo4.repository;
import org.baeldung.examples.olingo4.domain.CarMaker;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.stereotype.Repository;
@Repository
public interface CarMakerRepository extends EdmEntityRepository<CarMaker>, JpaRepository<CarMaker, Long>, JpaSpecificationExecutor<CarMaker> {
public default String getEdmEntityName() { return CarMaker.class.getSimpleName();}
@Override
default Class<CarMaker> getEntityClass() {
return CarMaker.class;
}
}

22
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/repository/CarModelRepository.java
View File

@ -1,22 +0,0 @@
package org.baeldung.examples.olingo4.repository;
import java.util.List;
import org.baeldung.examples.olingo4.domain.CarModel;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.stereotype.Repository;
@Repository
public interface CarModelRepository extends EdmEntityRepository<CarModel>, JpaRepository<CarModel, Long>, JpaSpecificationExecutor<CarModel> {
public List<CarModel> findByMakerId(Long makerId);
public default String getEdmEntityName() { return CarModel.class.getSimpleName();}
@Override
default Class<CarModel> getEntityClass() {
return CarModel.class;
}
}

17
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/repository/EdmEntityRepository.java
View File

@ -1,17 +0,0 @@
/**
*
*/
package org.baeldung.examples.olingo4.repository;
/**
* @author Philippe
*
*/
public interface EdmEntityRepository<E> {
public String getEdmEntityName();
public Class<E> getEntityClass();
}

29
apache-olingo/olingo4/src/main/java/org/baeldung/examples/olingo4/repository/RepositoryRegistry.java
View File

@ -1,29 +0,0 @@
package org.baeldung.examples.olingo4.repository;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.olingo.commons.api.edm.EdmEntityType;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Component;
@Component
public class RepositoryRegistry {
private Map<String,JpaRepository<?,?>> repositoriesByClassName = new HashMap<>();
public RepositoryRegistry(List<EdmEntityRepository<?>> allRepositories) {
allRepositories.stream()
.forEach((r) ->
repositoriesByClassName.put(r.getEdmEntityName(),(JpaRepository<?,?>)r));
}
public JpaRepository<?,?> getRepositoryForEntity(EdmEntityType entityType) {
JpaRepository<?,?> repo = repositoriesByClassName.get(entityType.getName());
return repo;
}
}

9
apache-olingo/olingo4/src/main/resources/application.properties
View File

@ -1,9 +0,0 @@
server:
port: 8080
spring:
jpa:
show-sql: true
open-in-view: true
hibernate:
ddl-auto: update

12
apache-olingo/olingo4/src/main/resources/data.sql
View File

@ -1,12 +0,0 @@
insert into car_maker(id,name) values (1,'Special Motors');
insert into car_maker(id,name) values (2,'BWM');
insert into car_maker(id,name) values (3,'Dolores');
insert into car_model(id,maker_fk,name,sku,year) values(1,1,'Muze','SM001',2018);
insert into car_model(id,maker_fk,name,sku,year) values(2,1,'Empada','SM002',2008);
insert into car_model(id,maker_fk,name,sku,year) values(4,2,'BWM-100','BWM100',2008);
insert into car_model(id,maker_fk,name,sku,year) values(5,2,'BWM-200','BWM200',2009);
insert into car_model(id,maker_fk,name,sku,year) values(6,2,'BWM-300','BWM300',2008);
alter sequence hibernate_sequence restart with 100;

16
apache-olingo/olingo4/src/test/java/org/baeldung/examples/olingo4/Olingo4SampleApplicationTests.java
View File

@ -1,16 +0,0 @@
package org.baeldung.examples.olingo4;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@SpringBootTest
public class Olingo4SampleApplicationTests {
@Test
public void contextLoads() {
}
}

12
clojure/ring/.gitignore vendored Normal file
View File

@ -0,0 +1,12 @@
/target
/classes
/checkouts
profiles.clj
pom.xml
pom.xml.asc
*.jar
*.class
/.lein-*
/.nrepl-port
.hgignore
.hg/

19
clojure/ring/README.md Normal file
View File

@ -0,0 +1,19 @@
# Clojure Ring Examples
This project acts as a set of examples for the Clojure Ring library.
## Runing the examples
The examples can all be run from the Leiningen REPL.
Firstly, start the REPL with `lein repl`. Then the examples can be executed with:
* `(run simple-handler)` - A simple handler that just echos a constant string to the client
* `(run check-ip-handler)` - A handler that echos the clients IP Address back to them
* `(run echo-handler)` - A handler that echos the value of the "input" parameter back
* `(run request-count-handler)` - A handler with a session that tracks how many times this session has requested this handler
In all cases, the handlers can be accessed on http://localhost:3000.
## Relevant Articles
- [Writing Clojure Webapps with Ring](https://www.baeldung.com/clojure-ring)

8
clojure/ring/project.clj Normal file
View File

@ -0,0 +1,8 @@
(defproject baeldung-ring "0.1.0-SNAPSHOT"
:dependencies [[org.clojure/clojure "1.10.0"]
[ring/ring-core "1.7.1"]
[ring/ring-jetty-adapter "1.7.1"]
[ring/ring-devel "1.7.1"]]
:plugins [[lein-ring "0.12.5"]]
:ring {:handler ring.core/simple-handler}
:repl-options {:init-ns ring.core})

48
clojure/ring/src/ring/core.clj Normal file
View File

@ -0,0 +1,48 @@
(ns ring.core
(:use ring.adapter.jetty
[ring.middleware.content-type]
[ring.middleware.cookies]
[ring.middleware.params]
[ring.middleware.session]
[ring.middleware.session.cookie]
[ring.util.response]))
;; Handler that just echos back the string "Hello World"
(defn simple-handler [request]
{:status 200
:headers {"Content-Type" "text/plain"}
:body "Hello World"})
;; Handler that echos back the clients IP Address
;; This demonstrates building responses properly, and extracting values from the request
(defn check-ip-handler [request]
(content-type
(response (:remote-addr request))
"text/plain"))
;; Handler that echos back the incoming parameter "input"
;; This demonstrates middleware chaining and accessing parameters
(def echo-handler
(-> (fn [{params :params}]
(content-type
(response (get params "input"))
"text/plain"))
(wrap-params {:encoding "UTF-8"})
))
;; Handler that keeps track of how many times each session has accessed the service
;; This demonstrates cookies and sessions
(def request-count-handler
(-> (fn [{session :session}]
(let [count (:count session 0)
session (assoc session :count (inc count))]
(-> (response (str "You accessed this page " count " times."))
(assoc :session session))))
wrap-cookies
(wrap-session {:cookie-attrs {:max-age 3600}})
))
;; Run the provided handler on port 3000
(defn run
[h]
(run-jetty h {:port 3000}))

3
core-groovy-2/README.md
View File

@ -3,5 +3,6 @@
## Relevant articles:
- [String Matching in Groovy](http://www.baeldung.com/)
- [Template Engines in Groovy](https://www.baeldung.com/groovy-template-engines)
- [Groovy def Keyword](https://www.baeldung.com/groovy-def-keyword)
- [Pattern Matching in Strings in Groovy](https://www.baeldung.com/groovy-pattern-matching)
- [Pattern Matching in Strings in Groovy](https://www.baeldung.com/groovy-pattern-matching)

178
core-groovy-2/gmavenplus-pom.xml Normal file
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@ -0,0 +1,178 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>core-groovy-2</artifactId>
<version>1.0-SNAPSHOT</version>
<name>core-groovy-2</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>${groovy.version}</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-runner</artifactId>
<version>${junit.platform.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hsqldb</groupId>
<artifactId>hsqldb</artifactId>
<version>${hsqldb.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.spockframework</groupId>
<artifactId>spock-core</artifactId>
<version>${spock-core.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<scriptSourceDirectory>src/main/groovy</scriptSourceDirectory>
<sourceDirectory>src/main/java</sourceDirectory>
<plugins>
<plugin>
<groupId>org.codehaus.gmavenplus</groupId>
<artifactId>gmavenplus-plugin</artifactId>
<version>1.7.0</version>
<executions>
<execution>
<goals>
<goal>execute</goal>
<goal>addSources</goal>
<goal>addTestSources</goal>
<goal>generateStubs</goal>
<goal>compile</goal>
<goal>generateTestStubs</goal>
<goal>compileTests</goal>
<goal>removeStubs</goal>
<goal>removeTestStubs</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<!-- any version of Groovy \>= 1.5.0 should work here -->
<version>${groovy.version}</version>
<scope>runtime</scope>
<type>pom</type>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
<version>${maven-failsafe-plugin.version}</version>
<dependencies>
<dependency>
<groupId>org.junit.platform</groupId>
<artifactId>junit-platform-surefire-provider</artifactId>
<version>${junit.platform.version}</version>
</dependency>
</dependencies>
<executions>
<execution>
<id>junit5</id>
<goals>
<goal>integration-test</goal>
<goal>verify</goal>
</goals>
<configuration>
<includes>
<include>**/*Test5.java</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.20.1</version>
<configuration>
<useFile>false</useFile>
<includes>
<include>**/*Test.java</include>
<include>**/*Spec.java</include>
</includes>
</configuration>
</plugin>
<!-- Maven Assembly Plugin: needed to run the jar through command line -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<!-- get all project dependencies -->
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<!-- MainClass in mainfest make a executable jar -->
<archive>
<manifest>
<mainClass>com.baeldung.MyJointCompilationApp</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<!-- bind to the packaging phase -->
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>central</id>
<url>http://jcenter.bintray.com</url>
</repository>
</repositories>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<junit.platform.version>1.0.0</junit.platform.version>
<hsqldb.version>2.4.0</hsqldb.version>
<spock-core.version>1.1-groovy-2.4</spock-core.version>
<commons-lang3.version>3.9</commons-lang3.version>
<java.version>1.8</java.version>
<logback.version>1.2.3</logback.version>
<groovy.version>2.5.7</groovy.version>
<gmavenplus-plugin.version>1.6</gmavenplus-plugin.version>
</properties>
</project>

130
core-groovy-2/pom.xml
View File

@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>core-groovy-2</artifactId>
<version>1.0-SNAPSHOT</version>
@ -15,25 +15,20 @@
<dependencies>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy</artifactId>
<version>${groovy.version}</version>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>${groovy-all.version}</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-dateutil</artifactId>
<version>${groovy.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-sql</artifactId>
<version>${groovy-sql.version}</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>org.junit.platform</groupId>
@ -56,21 +51,35 @@
</dependencies>
<build>
<scriptSourceDirectory>src/main/groovy</scriptSourceDirectory>
<sourceDirectory>src/main/java</sourceDirectory>
<plugins>
<plugin>
<groupId>org.codehaus.gmavenplus</groupId>
<artifactId>gmavenplus-plugin</artifactId>
<version>${gmavenplus-plugin.version}</version>
<executions>
<execution>
<goals>
<goal>addSources</goal>
<goal>addTestSources</goal>
<goal>compile</goal>
<goal>compileTests</goal>
</goals>
</execution>
</executions>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-eclipse-compiler</artifactId>
<version>3.3.0-01</version>
<extensions>true</extensions>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<compilerId>groovy-eclipse-compiler</compilerId>
<source>${java.version}</source>
<target>${java.version}</target>
</configuration>
<dependencies>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-eclipse-compiler</artifactId>
<version>3.3.0-01</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-eclipse-batch</artifactId>
<version>${groovy.version}-01</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<artifactId>maven-failsafe-plugin</artifactId>
@ -101,13 +110,42 @@
<artifactId>maven-surefire-plugin</artifactId>
<version>2.20.1</version>
<configuration>
<useFile>false</useFile>
<includes>
<include>**/*Test.java</include>
<include>**/*Spec.java</include>
</includes>
<useFile>false</useFile>
<includes>
<include>**/*Test.java</include>
<include>**/*Spec.java</include>
</includes>
</configuration>
</plugin>
<!-- Maven Assembly Plugin: needed to run the jar through command line -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<!-- get all project dependencies -->
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<!-- MainClass in mainfest make a executable jar -->
<archive>
<manifest>
<mainClass>com.baeldung.MyJointCompilationApp</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<!-- bind to the packaging phase -->
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
@ -118,14 +156,32 @@
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>bintray</id>
<name>Groovy Bintray</name>
<url>https://dl.bintray.com/groovy/maven</url>
<releases>
<!-- avoid automatic updates -->
<updatePolicy>never</updatePolicy>
</releases>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
<properties>
<junit.platform.version>1.0.0</junit.platform.version>
<groovy.version>2.5.6</groovy.version>
<groovy-all.version>2.5.6</groovy-all.version>
<groovy-sql.version>2.5.6</groovy-sql.version>
<hsqldb.version>2.4.0</hsqldb.version>
<spock-core.version>1.1-groovy-2.4</spock-core.version>
<gmavenplus-plugin.version>1.6</gmavenplus-plugin.version>
<commons-lang3.version>3.9</commons-lang3.version>
<java.version>1.8</java.version>
<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
<logback.version>1.2.3</logback.version>
<groovy.version>2.5.7</groovy.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>

25
core-groovy-2/src/main/groovy/com/baeldung/CalcMath.groovy Normal file
View File

@ -0,0 +1,25 @@
package com.baeldung
import org.slf4j.LoggerFactory
class CalcMath {
def log = LoggerFactory.getLogger(this.getClass())
def calcSum(x, y) {
log.info "Executing $x + $y"
x + y
}
/**
* example of method that in java would throw error at compile time
* @param x
* @param y
* @return
*/
def calcSum2(x, y) {
log.info "Executing $x + $y"
// DANGER! This won't throw a compilation issue and fail only at runtime!!!
calcSum3()
log.info("Logging an undefined variable: $z")
}
}

16
core-groovy-2/src/main/groovy/com/baeldung/CalcScript.groovy Normal file
View File

@ -0,0 +1,16 @@
package com.baeldung
def calcSum(x, y) {
x + y
}
def calcSum2(x, y) {
// DANGER! The variable "log" may be undefined
log.info "Executing $x + $y"
// DANGER! This method doesn't exist!
calcSum3()
// DANGER! The logged variable "z" is undefined!
log.info("Logging an undefined variable: $z")
}
calcSum(1,5)

120
core-groovy-2/src/main/java/com/baeldung/MyJointCompilationApp.java Normal file
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@ -0,0 +1,120 @@
package com.baeldung;
import groovy.lang.*;
import groovy.util.GroovyScriptEngine;
import groovy.util.ResourceException;
import groovy.util.ScriptException;
import org.codehaus.groovy.jsr223.GroovyScriptEngineFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.script.ScriptEngine;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
/**
* Hello world!
*
*/
public class MyJointCompilationApp {
private final static Logger LOG = LoggerFactory.getLogger(MyJointCompilationApp.class);
private final GroovyClassLoader loader;
private final GroovyShell shell;
private final GroovyScriptEngine engine;
private final ScriptEngine engineFromFactory;
public MyJointCompilationApp() {
loader = new GroovyClassLoader(this.getClass().getClassLoader());
shell = new GroovyShell(loader, new Binding());
URL url = null;
try {
url = new File("src/main/groovy/com/baeldung/").toURI().toURL();
} catch (MalformedURLException e) {
LOG.error("Exception while creating url", e);
}
engine = new GroovyScriptEngine(new URL[] {url}, this.getClass().getClassLoader());
engineFromFactory = new GroovyScriptEngineFactory().getScriptEngine();
}
private void addWithCompiledClasses(int x, int y) {
LOG.info("Executing {} + {}", x, y);
Object result1 = new CalcScript().calcSum(x, y);
LOG.info("Result of CalcScript.calcSum() method is {}", result1);
Object result2 = new CalcMath().calcSum(x, y);
LOG.info("Result of CalcMath.calcSum() method is {}", result2);
}
private void addWithGroovyShell(int x, int y) throws IOException {
Script script = shell.parse(new File("src/main/groovy/com/baeldung/", "CalcScript.groovy"));
LOG.info("Executing {} + {}", x, y);
Object result = script.invokeMethod("calcSum", new Object[] { x, y });
LOG.info("Result of CalcScript.calcSum() method is {}", result);
}
private void addWithGroovyShellRun() throws IOException {
Script script = shell.parse(new File("src/main/groovy/com/baeldung/", "CalcScript.groovy"));
LOG.info("Executing script run method");
Object result = script.run();
LOG.info("Result of CalcScript.run() method is {}", result);
}
private void addWithGroovyClassLoader(int x, int y) throws IllegalAccessException, InstantiationException, IOException {
Class calcClass = loader.parseClass(
new File("src/main/groovy/com/baeldung/", "CalcMath.groovy"));
GroovyObject calc = (GroovyObject) calcClass.newInstance();
Object result = calc.invokeMethod("calcSum", new Object[] { x + 14, y + 14 });
LOG.info("Result of CalcMath.calcSum() method is {}", result);
}
private void addWithGroovyScriptEngine(int x, int y) throws IllegalAccessException,
InstantiationException, ResourceException, ScriptException {
Class<GroovyObject> calcClass = engine.loadScriptByName("CalcMath.groovy");
GroovyObject calc = calcClass.newInstance();
//WARNING the following will throw a ClassCastException
//((CalcMath)calc).calcSum(1,2);
Object result = calc.invokeMethod("calcSum", new Object[] { x, y });
LOG.info("Result of CalcMath.calcSum() method is {}", result);
}
private void addWithEngineFactory(int x, int y) throws IllegalAccessException,
InstantiationException, javax.script.ScriptException, FileNotFoundException {
Class calcClass = (Class) engineFromFactory.eval(
new FileReader(new File("src/main/groovy/com/baeldung/", "CalcMath.groovy")));
GroovyObject calc = (GroovyObject) calcClass.newInstance();
Object result = calc.invokeMethod("calcSum", new Object[] { x, y });
LOG.info("Result of CalcMath.calcSum() method is {}", result);
}
private void addWithStaticCompiledClasses() {
LOG.info("Running the Groovy classes compiled statically...");
addWithCompiledClasses(5, 10);
}
private void addWithDynamicCompiledClasses() throws IOException, IllegalAccessException, InstantiationException,
ResourceException, ScriptException, javax.script.ScriptException {
LOG.info("Invocation of a dynamic groovy script...");
addWithGroovyShell(5, 10);
LOG.info("Invocation of the run method of a dynamic groovy script...");
addWithGroovyShellRun();
LOG.info("Invocation of a dynamic groovy class loaded with GroovyClassLoader...");
addWithGroovyClassLoader(10, 30);
LOG.info("Invocation of a dynamic groovy class loaded with GroovyScriptEngine...");
addWithGroovyScriptEngine(15, 0);
LOG.info("Invocation of a dynamic groovy class loaded with GroovyScriptEngine JSR223...");
addWithEngineFactory(5, 6);
}
public static void main(String[] args) throws InstantiationException, IllegalAccessException,
ResourceException, ScriptException, IOException, javax.script.ScriptException {
MyJointCompilationApp myJointCompilationApp = new MyJointCompilationApp();
LOG.info("Example of addition operation via Groovy scripts integration with Java.");
myJointCompilationApp.addWithStaticCompiledClasses();
myJointCompilationApp.addWithDynamicCompiledClasses();
}
}

40
core-groovy-2/src/test/groovy/com/baeldung/xml/MarkupBuilderUnitTest.groovy Normal file
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@ -0,0 +1,40 @@
package com.baeldung.xml
import groovy.xml.MarkupBuilder
import groovy.xml.XmlUtil
import spock.lang.Specification
class MarkupBuilderUnitTest extends Specification {
def xmlFile = getClass().getResource("articles_short_formatted.xml")
def "Should create XML properly"() {
given: "Node structures"
when: "Using MarkupBuilderUnitTest to create com.baeldung.xml structure"
def writer = new StringWriter()
new MarkupBuilder(writer).articles {
article {
title('First steps in Java')
author(id: '1') {
firstname('Siena')
lastname('Kerr')
}
'release-date'('2018-12-01')
}
article {
title('Dockerize your SpringBoot application')
author(id: '2') {
firstname('Jonas')
lastname('Lugo')
}
'release-date'('2018-12-01')
}
}
then: "Xml is created properly"
XmlUtil.serialize(writer.toString()) == XmlUtil.serialize(xmlFile.text)
}
}

94
core-groovy-2/src/test/groovy/com/baeldung/xml/XmlParserUnitTest.groovy Normal file
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@ -0,0 +1,94 @@
package com.baeldung.xml
import spock.lang.Shared
import spock.lang.Specification
class XmlParserUnitTest extends Specification {
def xmlFile = getClass().getResourceAsStream("articles.xml")
@Shared
def parser = new XmlParser()
def "Should read XML file properly"() {
given: "XML file"
when: "Using XmlParser to read file"
def articles = parser.parse(xmlFile)
then: "Xml is loaded properly"
articles.'*'.size() == 4
articles.article[0].author.firstname.text() == "Siena"
articles.article[2].'release-date'.text() == "2018-06-12"
articles.article[3].title.text() == "Java 12 insights"
articles.article.find { it.author.'@id'.text() == "3" }.author.firstname.text() == "Daniele"
}
def "Should add node to existing com.baeldung.xml using NodeBuilder"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Adding node to com.baeldung.xml"
def articleNode = new NodeBuilder().article(id: '5') {
title('Traversing XML in the nutshell')
author {
firstname('Martin')
lastname('Schmidt')
}
'release-date'('2019-05-18')
}
articles.append(articleNode)
then: "Node is added to com.baeldung.xml properly"
articles.'*'.size() == 5
articles.article[4].title.text() == "Traversing XML in the nutshell"
}
def "Should replace node"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Adding node to com.baeldung.xml"
def articleNode = new NodeBuilder().article(id: '5') {
title('Traversing XML in the nutshell')
author {
firstname('Martin')
lastname('Schmidt')
}
'release-date'('2019-05-18')
}
articles.article[0].replaceNode(articleNode)
then: "Node is added to com.baeldung.xml properly"
articles.'*'.size() == 4
articles.article[0].title.text() == "Traversing XML in the nutshell"
}
def "Should modify node"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Changing value of one of the nodes"
articles.article.each { it.'release-date'[0].value = "2019-05-18" }
then: "XML is updated"
articles.article.findAll { it.'release-date'.text() != "2019-05-18" }.isEmpty()
}
def "Should remove article from com.baeldung.xml"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Removing all articles but with id==3"
articles.article
.findAll { it.author.'@id'.text() != "3" }
.each { articles.remove(it) }
then: "There is only one article left"
articles.children().size() == 1
articles.article[0].author.'@id'.text() == "3"
}
}

102
core-groovy-2/src/test/groovy/com/baeldung/xml/XmlSlurperUnitTest.groovy Normal file
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@ -0,0 +1,102 @@
package com.baeldung.xml
import groovy.xml.XmlUtil
import spock.lang.Shared
import spock.lang.Specification
class XmlSlurperUnitTest extends Specification {
def xmlFile = getClass().getResourceAsStream("articles.xml")
@Shared
def parser = new XmlSlurper()
def "Should read XML file properly"() {
given: "XML file"
when: "Using XmlSlurper to read file"
def articles = parser.parse(xmlFile)
then: "Xml is loaded properly"
articles.'*'.size() == 4
articles.article[0].author.firstname == "Siena"
articles.article[2].'release-date' == "2018-06-12"
articles.article[3].title == "Java 12 insights"
articles.article.find { it.author.'@id' == "3" }.author.firstname == "Daniele"
}
def "Should add node to existing com.baeldung.xml"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Adding node to com.baeldung.xml"
articles.appendNode {
article(id: '5') {
title('Traversing XML in the nutshell')
author {
firstname('Martin')
lastname('Schmidt')
}
'release-date'('2019-05-18')
}
}
articles = parser.parseText(XmlUtil.serialize(articles))
then: "Node is added to com.baeldung.xml properly"
articles.'*'.size() == 5
articles.article[4].title == "Traversing XML in the nutshell"
}
def "Should modify node"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Changing value of one of the nodes"
articles.article.each { it.'release-date' = "2019-05-18" }
then: "XML is updated"
articles.article.findAll { it.'release-date' != "2019-05-18" }.isEmpty()
}
def "Should replace node"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Replacing node"
articles.article[0].replaceNode {
article(id: '5') {
title('Traversing XML in the nutshell')
author {
firstname('Martin')
lastname('Schmidt')
}
'release-date'('2019-05-18')
}
}
articles = parser.parseText(XmlUtil.serialize(articles))
then: "Node is replaced properly"
articles.'*'.size() == 4
articles.article[0].title == "Traversing XML in the nutshell"
}
def "Should remove article from com.baeldung.xml"() {
given: "XML object"
def articles = parser.parse(xmlFile)
when: "Removing all articles but with id==3"
articles.article
.findAll { it.author.'@id' != "3" }
.replaceNode {}
articles = parser.parseText(XmlUtil.serialize(articles))
then: "There is only one article left"
articles.children().size() == 1
articles.article[0].author.'@id' == "3"
}
}

34
core-groovy-2/src/test/resources/com/baeldung/xml/articles.xml Normal file
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@ -0,0 +1,34 @@
<articles>
<article>
<title>First steps in Java</title>
<author id='1'>
<firstname>Siena</firstname>
<lastname>Kerr</lastname>
</author>
<release-date>2018-12-01</release-date>
</article>
<article>
<title>Dockerize your SpringBoot application</title>
<author id='2'>
<firstname>Jonas</firstname>
<lastname>Lugo</lastname>
</author>
<release-date>2018-12-01</release-date>
</article>
<article>
<title>SpringBoot tutorial</title>
<author id='3'>
<firstname>Daniele</firstname>
<lastname>Ferguson</lastname>
</author>
<release-date>2018-06-12</release-date>
</article>
<article>
<title>Java 12 insights</title>
<author id='1'>
<firstname>Siena</firstname>
<lastname>Kerr</lastname>
</author>
<release-date>2018-07-22</release-date>
</article>
</articles>

18
core-groovy-2/src/test/resources/com/baeldung/xml/articles_short_formatted.xml Normal file
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@ -0,0 +1,18 @@
<articles>
<article>
<title>First steps in Java</title>
<author id='1'>
<firstname>Siena</firstname>
<lastname>Kerr</lastname>
</author>
<release-date>2018-12-01</release-date>
</article>
<article>
<title>Dockerize your SpringBoot application</title>
<author id='2'>
<firstname>Jonas</firstname>
<lastname>Lugo</lastname>
</author>
<release-date>2018-12-01</release-date>
</article>
</articles>

2
core-java-modules/README.md
View File

@ -1,3 +1,5 @@
## Relevant articles:
- [Multi-Module Maven Application with Java Modules](https://www.baeldung.com/maven-multi-module-project-java-jpms)
- [Guide to Java FileChannel](https://www.baeldung.com/java-filechannel)
- [Understanding the NumberFormatException in Java](https://www.baeldung.com/java-number-format-exception)

13
core-java-modules/core-java-10/src/main/java/com/baeldung/set/CopySets.java Normal file
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@ -0,0 +1,13 @@
package com.baeldung.set;
import java.util.Set;
public class CopySets {
// Using Java 10
public static <T> Set<T> copyBySetCopyOf(Set<T> original) {
Set<T> copy = Set.copyOf(original);
return copy;
}
}

1
core-java-modules/core-java-11/README.md
View File

@ -7,4 +7,5 @@
- [Exploring the New HTTP Client in Java 9 and 11](https://www.baeldung.com/java-9-http-client)
- [An Introduction to Epsilon GC: A No-Op Experimental Garbage Collector](https://www.baeldung.com/jvm-epsilon-gc-garbage-collector)
- [Guide to jlink](https://www.baeldung.com/jlink)
- [Negate a Predicate Method Reference with Java 11](https://www.baeldung.com/java-negate-predicate-method-reference)
- [Transforming an Empty String into an Empty Optional](https://www.baeldung.com/java-empty-string-to-empty-optional)

3
core-java-modules/core-java-8-2/README.md
View File

@ -3,5 +3,6 @@
## Core Java 8 Cookbooks and Examples (part 2)
### Relevant Articles:
- [Anonymous Classes in Java](https://www.baeldung.com/java-anonymous-classes)
- [Anonymous Classes in Java](http://www.baeldung.com/)
- [How to Delay Code Execution in Java](https://www.baeldung.com/java-delay-code-execution)
- [Run JAR Application With Command Line Arguments](https://www.baeldung.com/java-run-jar-with-arguments)

1
core-java-modules/core-java-8-2/pom.xml
View File

@ -30,7 +30,6 @@
<artifactId>icu4j</artifactId>
<version>${icu.version}</version>
</dependency>
</dependencies>
<build>

34
core-java-modules/core-java-8-2/src/main/resources/META-INF/persistence.xml Normal file
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@ -0,0 +1,34 @@
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
version="2.0">
<persistence-unit
name="com.baeldung.optionalReturnType"
transaction-type="RESOURCE_LOCAL">
<description>Persist Optional Return Type Demo</description>
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<class>com.baeldung.optionalReturnType.User</class>
<class>com.baeldung.optionalReturnType.UserOptional</class>
<!--
<class>com.baeldung.optionalReturnType.UserOptionalField</class>
-->
<exclude-unlisted-classes>true</exclude-unlisted-classes>
<properties>
<property name="javax.persistence.jdbc.driver"
value="org.h2.Driver" />
<property name="javax.persistence.jdbc.url"
value="jdbc:h2:mem:test" />
<property name="javax.persistence.jdbc.user" value="sa" />
<property name="javax.persistence.jdbc.password" value="" />
<property name="hibernate.dialect"
value="org.hibernate.dialect.H2Dialect" />
<property name="hibernate.hbm2ddl.auto" value="create-drop" />
<property name="show_sql" value="true" />
<property name="hibernate.temp.use_jdbc_metadata_defaults"
value="false" />
</properties>
</persistence-unit>
</persistence>

2
core-java-modules/core-java-9/README.md
View File

@ -28,6 +28,6 @@
- [Java 9 Convenience Factory Methods for Collections](https://www.baeldung.com/java-9-collections-factory-methods)
- [Java 9 Stream API Improvements](https://www.baeldung.com/java-9-stream-api)
- [A Guide to Java 9 Modularity](https://www.baeldung.com/java-9-modularity)
- [Java 9 Platform Module API](https://www.baeldung.com/java-9-module-api)
- [Java 9 java.lang.Module API](https://www.baeldung.com/java-9-module-api)
- [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api)
- [Filtering a Stream of Optionals in Java](https://www.baeldung.com/java-filter-stream-of-optional)

2
core-java-modules/core-java-9/src/modules/com.baeldung.logging.slf4j/com/baeldung/logging/slf4j/Slf4jLogger.java
View File

@ -75,7 +75,7 @@ public class Slf4jLogger implements System.Logger {
if (!isLoggable(level)) {
return;
}
String message = MessageFormat.format (format, params);
String message = MessageFormat.format(format, params);
switch (level) {
case TRACE:

1
core-java-modules/core-java-arrays/README.md
View File

@ -15,3 +15,4 @@
- [Intersection Between two Integer Arrays](https://www.baeldung.com/java-array-intersection)
- [Sorting Arrays in Java](https://www.baeldung.com/java-sorting-arrays)
- [Convert a Float to a Byte Array in Java](https://www.baeldung.com/java-convert-float-to-byte-array)
- [Converting Between Stream and Array in Java](https://www.baeldung.com/java-stream-to-array)

12
core-java-modules/core-java-collections-set/pom.xml
View File

@ -24,10 +24,20 @@
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
<dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
<version>2.8.5</version>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
</dependencies>
<properties>
<commons-collections4.version>4.3</commons-collections4.version>
<guava.version>27.1-jre</guava.version>
</properties>
</project>
</project>

59
core-java-modules/core-java-collections-set/src/main/java/com/baeldung/set/CopySets.java Normal file
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@ -0,0 +1,59 @@
package com.baeldung.set;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import org.apache.commons.lang.SerializationUtils;
import com.google.gson.Gson;
public class CopySets {
// Copy Constructor
public static <T> Set<T> copyByConstructor(Set<T> original) {
Set<T> copy = new HashSet<>(original);
return copy;
}
// Set.addAll
public static <T> Set<T> copyBySetAddAll(Set<T> original) {
Set<T> copy = new HashSet<>();
copy.addAll(original);
return copy;
}
// Set.clone
public static <T> Set<T> copyBySetClone(HashSet<T> original) {
Set<T> copy = (Set<T>) original.clone();
return copy;
}
// JSON
public static <T> Set<T> copyByJson(Set<T> original) {
Gson gson = new Gson();
String jsonStr = gson.toJson(original);
Set<T> copy = gson.fromJson(jsonStr, Set.class);
return copy;
}
// Apache Commons Lang
public static <T extends Serializable> Set<T> copyByApacheCommonsLang(Set<T> original) {
Set<T> copy = new HashSet<>();
for (T item : original) {
copy.add((T) SerializationUtils.clone(item));
}
return copy;
}
// Collectors.toSet
public static <T extends Serializable> Set<T> copyByCollectorsToSet(Set<T> original) {
Set<T> copy = original.stream()
.collect(Collectors.toSet());
return copy;
}
}

26
core-java-modules/core-java-exceptions/src/test/java/com/baeldung/exception/error/ErrorGeneratorUnitTest.java Normal file
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@ -0,0 +1,26 @@
package com.baeldung.error;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class ErrorGeneratorUnitTest {
@Test(expected = AssertionError.class)
public void whenError_thenIsNotCaughtByCatchException() {
try {
throw new AssertionError();
} catch (Exception e) {
Assert.fail(); // errors are not caught by catch exception
}
}
@Test
public void whenError_thenIsCaughtByCatchError() {
try {
throw new AssertionError();
} catch (Error e) {
// caught! -> test pass
}
}
}

3
core-java-modules/core-java-lambdas/README.MD Normal file
View File

@ -0,0 +1,3 @@
### Relevant Articles
- [Why Do Local Variables Used in Lambdas Have to Be Final or Effectively Final?](https://www.baeldung.com/java-lambda-effectively-final-local-variables)

3
core-java-modules/core-java-lambdas/README.md Normal file
View File

@ -0,0 +1,3 @@
## Relevant articles:
- [Why Do Local Variables Used in Lambdas Have to Be Final or Effectively Final?](https://www.baeldung.com/java-lambda-effectively-final-local-variables)

5
core-java-modules/core-java-optional/README.md Normal file
View File

@ -0,0 +1,5 @@
=========
## Core Java Optional
### Relevant Articles:

53
core-java-modules/core-java-optional/pom.xml Normal file
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@ -0,0 +1,53 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<artifactId>core-java-optional</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<hibernate.core.version>5.4.0.Final</hibernate.core.version>
<h2database.version>1.4.197</h2database.version>
<jackson.databind.version>2.9.8</jackson.databind.version>
</properties>
<dependencies>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.core.version}</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>${h2database.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.databind.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${maven.compiler.source}</source>
<target>${maven.compiler.target}</target>
</configuration>
</plugin>
</plugins>
</build>
</project>

41
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/HandleOptionalTypeExample.java Normal file
View File

@ -0,0 +1,41 @@
package com.baeldung.optionalReturnType;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
public class HandleOptionalTypeExample {
static Map<String, User> usersByName = new HashMap();
static {
User user1 = new User();
user1.setUserId(1l);
user1.setFirstName("baeldung");
usersByName.put("baeldung", user1);
}
public static void main(String[] args) {
changeUserName("baeldung", "baeldung-new");
changeUserName("user", "user-new");
}
public static void changeUserName(String oldFirstName, String newFirstName) {
Optional<User> userOpt = findUserByName(oldFirstName);
if (userOpt.isPresent()) {
User user = userOpt.get();
user.setFirstName(newFirstName);
System.out.println("user with name " + oldFirstName + " is changed to " + user.getFirstName());
} else {
// user is missing
System.out.println("user with name " + oldFirstName + " is not found.");
}
}
public static Optional<User> findUserByName(String name) {
// look up the user in the database, the user object below could be null
User user = usersByName.get(name);
Optional<User> opt = Optional.ofNullable(user);
return opt;
}
}

19
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/OptionalToJsonExample.java Normal file
View File

@ -0,0 +1,19 @@
package com.baeldung.optionalReturnType;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
public class OptionalToJsonExample {
public static void main(String[] args) {
UserOptional user = new UserOptional();
user.setUserId(1l);
user.setFirstName("Bael Dung");
ObjectMapper om = new ObjectMapper();
try {
System.out.print("user in json is:" + om.writeValueAsString(user));
} catch (JsonProcessingException e) {
e.printStackTrace();
}
}
}

26
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/PersistOptionalTypeExample.java Normal file
View File

@ -0,0 +1,26 @@
package com.baeldung.optionalReturnType;
import java.util.Optional;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class PersistOptionalTypeExample {
static String persistenceUnit = "com.baeldung.optionalReturnType";
static EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceUnit);
static EntityManager entityManager = emf.createEntityManager();
// to run this app, uncomment the follow line in META-INF/persistence.xml
// <class>com.baeldung.optionalReturnType.UserOptionalField</class>
public static void main(String[] args) {
UserOptionalField user1 = new UserOptionalField();
user1.setUserId(1l);
user1.setFirstName(Optional.of("Bael Dung"));
entityManager.persist(user1);
UserOptional user2 = entityManager.find(UserOptional.class, 1l);
System.out.print("User2.firstName:" + user2.getFirstName());
}
}

22
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/PersistOptionalTypeExample2.java Normal file
View File

@ -0,0 +1,22 @@
package com.baeldung.optionalReturnType;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class PersistOptionalTypeExample2 {
static String persistenceUnit = "com.baeldung.optionalReturnType";
static EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceUnit);
static EntityManager em = emf.createEntityManager();
public static void main(String[] args) {
UserOptional user1 = new UserOptional();
user1.setUserId(1l);
user1.setFirstName("Bael Dung");
em.persist(user1);
UserOptional user2 = em.find(UserOptional.class, 1l);
System.out.print("User2.firstName:" + user2.getFirstName());
}
}

22
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/PersistUserExample.java Normal file
View File

@ -0,0 +1,22 @@
package com.baeldung.optionalReturnType;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
public class PersistUserExample {
static String persistenceUnit = "com.baeldung.optionalReturnType";
static EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceUnit);
static EntityManager em = emf.createEntityManager();
public static void main(String[] args) {
User user1 = new User();
user1.setUserId(1l);
user1.setFirstName("Bael Dung");
em.persist(user1);
User user2 = em.find(User.class, 1l);
System.out.print("User2.firstName:" + user2.getFirstName());
}
}

41
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/SerializeOptionalTypeExample.java Normal file
View File

@ -0,0 +1,41 @@
package com.baeldung.optionalReturnType;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.Optional;
public class SerializeOptionalTypeExample {
public static void main(String[] args) {
User user1 = new User();
user1.setUserId(1l);
user1.setFirstName("baeldung");
serializeObject(user1, "user1.ser");
UserOptionalField user2 = new UserOptionalField();
user2.setUserId(1l);
user2.setFirstName(Optional.of("baeldung"));
serializeObject(user2, "user2.ser");
}
public static void serializeObject(Object object, String fileName) {
// Serialization
try {
FileOutputStream file = new FileOutputStream(fileName);
ObjectOutputStream out = new ObjectOutputStream(file);
out.writeObject(object);
out.close();
file.close();
System.out.println("Object " + object.toString() + " has been serialized to file " + fileName);
} catch (IOException e) {
e.printStackTrace();
}
}
}

31
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/User.java Normal file
View File

@ -0,0 +1,31 @@
package com.baeldung.optionalReturnType;
import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class User implements Serializable {
@Id
private long userId;
private String firstName;
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
}

35
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/UserOptional.java Normal file
View File

@ -0,0 +1,35 @@
package com.baeldung.optionalReturnType;
import java.io.Serializable;
import java.util.Optional;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class UserOptional implements Serializable {
@Id
private long userId;
@Column(nullable = true)
private String firstName;
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
public Optional<String> getFirstName() {
return Optional.ofNullable(firstName);
}
public void setFirstName(String firstName) {
this.firstName = firstName;
Optional.ofNullable(firstName);
}
}

31
core-java-modules/core-java-optional/src/main/java/com/baeldung/optionalReturnType/UserOptionalField.java Normal file
View File

@ -0,0 +1,31 @@
package com.baeldung.optionalReturnType;
import java.io.Serializable;
import java.util.Optional;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class UserOptionalField implements Serializable {
@Id
private long userId;
private Optional<String> firstName;
public long getUserId() {
return userId;
}
public void setUserId(long userId) {
this.userId = userId;
}
public Optional<String> getFirstName() {
return firstName;
}
public void setFirstName(Optional<String> firstName) {
this.firstName = firstName;
}
}

1
core-java-modules/core-java/README.md
View File

@ -51,4 +51,5 @@
- [Java Bitwise Operators](https://www.baeldung.com/java-bitwise-operators)
- [Guide to Creating and Running a Jar File in Java](https://www.baeldung.com/java-create-jar)
- [Making a JSON POST Request With HttpURLConnection](https://www.baeldung.com/httpurlconnection-post)
- [How to Find an Exception’s Root Cause in Java](https://www.baeldung.com/java-exception-root-cause)
- [Convert Hex to ASCII in Java](https://www.baeldung.com/java-convert-hex-to-ascii)

1
core-java-modules/core-java/src/main/java/com/baeldung/README.md
View File

@ -1 +0,0 @@
### Relevant Articles:

2
core-java-modules/core-java/src/main/java/com/baeldung/graph/Graph.java
View File

@ -19,7 +19,7 @@ public class Graph {
void removeVertex(String label) {
Vertex v = new Vertex(label);
adjVertices.values().stream().map(e -> e.remove(v)).collect(Collectors.toList());
adjVertices.values().stream().forEach(e -> e.remove(v));
adjVertices.remove(new Vertex(label));
}

19
core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphTraversalUnitTest.java → core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphUnitTest.java
View File

@ -1,20 +1,31 @@
package com.baeldung.graph;
import org.junit.Assert;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class GraphTraversalUnitTest {
public class GraphUnitTest {
@Test
public void givenAGraph_whenTraversingDepthFirst_thenExpectedResult() {
Graph graph = createGraph();
Assert.assertEquals("[Bob, Rob, Maria, Alice, Mark]",
assertEquals("[Bob, Rob, Maria, Alice, Mark]",
GraphTraversal.depthFirstTraversal(graph, "Bob").toString());
}
@Test
public void givenAGraph_whenTraversingBreadthFirst_thenExpectedResult() {
Graph graph = createGraph();
Assert.assertEquals("[Bob, Alice, Rob, Mark, Maria]",
assertEquals("[Bob, Alice, Rob, Mark, Maria]",
GraphTraversal.breadthFirstTraversal(graph, "Bob").toString());
}
@Test
public void givenAGraph_whenRemoveVertex_thenVertedNotFound() {
Graph graph = createGraph();
assertEquals("[Bob, Alice, Rob, Mark, Maria]",
GraphTraversal.breadthFirstTraversal(graph, "Bob").toString());
graph.removeVertex("Maria");
assertEquals("[Bob, Alice, Rob, Mark]",
GraphTraversal.breadthFirstTraversal(graph, "Bob").toString());
}

1
core-java-modules/pom.xml
View File

@ -16,6 +16,7 @@
<modules>
<module>pre-jpms</module>
<module>core-java-exceptions</module>
<module>core-java-optional</module>
</modules>
</project>

24
core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/Document.kt
View File

@ -5,27 +5,7 @@ import java.util.*
interface Document {
@JvmDefault
fun getTypeDefault() = "document"
fun getType() = "document"
}
class TextDocument : Document {
override fun getType() = "text"
fun transformList(list : List<Number>) : List<Number> {
return list.filter { n -> n.toInt() > 1 }
}
fun transformListInverseWildcards(list : List<@JvmSuppressWildcards Number>) : List<@JvmWildcard Number> {
return list.filter { n -> n.toInt() > 1 }
}
var list : List<@JvmWildcard Any> = ArrayList()
}
class XmlDocument(d : Document) : Document by d
fun main() {
val myDocument = TextDocument()
val myTextDocument = XmlDocument(myDocument)
println("${myDocument.getType()} ${myTextDocument.getType()}")
}

16
core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/TextDocument.kt Normal file
View File

@ -0,0 +1,16 @@
package com.baeldung.jvmannotations
import java.util.*
class TextDocument : Document {
override fun getType() = "text"
fun transformList(list : List<Number>) : List<Number> {
return list.filter { n -> n.toInt() > 1 }
}
fun transformListInverseWildcards(list : List<@JvmSuppressWildcards Number>) : List<@JvmWildcard Number> {
return list.filter { n -> n.toInt() > 1 }
}
var list : List<@JvmWildcard Any> = ArrayList()
}

5
core-kotlin-2/src/main/kotlin/com/baeldung/jvmannotations/XmlDocument.kt Normal file
View File

@ -0,0 +1,5 @@
package com.baeldung.jvmannotations
import java.util.*
class XmlDocument(d : Document) : Document by d

20
core-kotlin-2/src/test/kotlin/com/baeldung/range/DocumentTest.kt Normal file
View File

@ -0,0 +1,20 @@
package com.baeldung.range
import org.junit.Test
import kotlin.test.assertEquals
import com.baeldung.jvmannotations.*;
class DocumentTest {
@Test
fun testDefaultMethod() {
val myDocument = TextDocument()
val myTextDocument = XmlDocument(myDocument)
assertEquals("text", myDocument.getType())
assertEquals("text", myTextDocument.getType())
assertEquals("document", myTextDocument.getTypeDefault())
}
}

2
ddd/README.md
View File

@ -1,3 +1,5 @@
### Relevant articles
- [Persisting DDD Aggregates](https://www.baeldung.com/spring-persisting-ddd-aggregates)
- [Double Dispatch in DDD](https://www.baeldung.com/ddd-double-dispatch)
- [DDD Aggregates and @DomainEvents](https://www.baeldung.com/spring-data-ddd)

61
docker/docker-compose.yml Normal file
View File

@ -0,0 +1,61 @@
version: '3'
services:
## VOLUME CONTAINER-TO-CONTAINER AND HOST-TO-CONTAINER TEST ##
volumes-example-service:
image: alpine:latest
container_name: volumes-example-service
volumes:
- /tmp:/my-volumes/host-volume
- /home:/my-volumes/readonly-host-volume:ro
- my-named-global-volume:/my-volumes/named-global-volume
tty: true # Needed to keep the container running
another-volumes-example-service:
image: alpine:latest
container_name: another-volumes-example-service
volumes:
- my-named-global-volume:/another-path/the-same-named-global-volume
tty: true # Needed to keep the container running
## NETWORK CONTAINER-TO-CONTAINER TEST ##
network-example-service:
image: karthequian/helloworld:latest
container_name: network-example-service
networks:
- my-shared-network
another-service-in-the-same-network:
image: alpine:latest
container_name: another-service-in-the-same-network
networks:
- my-shared-network
tty: true # Needed to keep the container running
another-service-in-its-own-network:
image: alpine:latest
container_name: another-service-in-its-own-network
networks:
- my-private-network
tty: true # Needed to keep the container running
## NETWORK HOST-TO-CONTAINER TEST ##
network-example-service-available-to-host-on-port-1337:
image: karthequian/helloworld:latest
container_name: network-example-service-available-to-host-on-port-1337
networks:
- my-shared-network
ports:
- "1337:80"
volumes:
my-named-global-volume:
networks:
my-shared-network: {}
my-private-network: {}

48
java-collections-conversions/src/main/java/com/baeldung/convertToMap/Book.java Normal file
View File

@ -0,0 +1,48 @@
package com.baeldung.convertToMap;
public class Book {
private String name;
private int releaseYear;
private String isbn;
@Override
public String toString() {
return "Book{" +
"name='" + name + '\'' +
", releaseYear=" + releaseYear +
", isbn='" + isbn + '\'' +
'}';
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getReleaseYear() {
return releaseYear;
}
public void setReleaseYear(int releaseYear) {
this.releaseYear = releaseYear;
}
public String getIsbn() {
return isbn;
}
public void setIsbn(String isbn) {
this.isbn = isbn;
}
public Book(String name, int releaseYear, String isbn) {
this.name = name;
this.releaseYear = releaseYear;
this.isbn = isbn;
}
}

33
java-collections-conversions/src/main/java/com/baeldung/convertToMap/ConvertToMap.java Normal file
View File

@ -0,0 +1,33 @@
package com.baeldung.convertToMap;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
import java.util.stream.Collectors;
public class ConvertToMap {
public Map<String, String> listToMap(List<Book> books) {
return books.stream().collect(Collectors.toMap(Book::getIsbn, Book::getName));
}
public Map<Integer, Book> listToMapWithDupKeyError(List<Book> books) {
return books.stream().collect(Collectors.toMap(Book::getReleaseYear, Function.identity()));
}
public Map<Integer, Book> listToMapWithDupKey(List<Book> books) {
return books.stream().collect(Collectors.toMap(Book::getReleaseYear, Function.identity(), (existing, replacement) -> existing));
}
public Map<Integer, Book> listToConcurrentMap(List<Book> books) {
return books.stream().collect(Collectors.toMap(Book::getReleaseYear, Function.identity(), (o1, o2) -> o1, ConcurrentHashMap::new));
}
public TreeMap<String, Book> listToSortedMap(List<Book> books) {
return books.stream()
.sorted(Comparator.comparing(Book::getName))
.collect(Collectors.toMap(Book::getName, Function.identity(), (o1, o2) -> o1, TreeMap::new));
}
}

53
java-collections-conversions/src/test/java/com/baeldung/convertToMap/ConvertToMapUnitTest.java Normal file
View File

@ -0,0 +1,53 @@
package com.baeldung.convertToMap;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
public class ConvertToMapUnitTest {
private List<Book> bookList;
private ConvertToMap convertToMap = new ConvertToMap();
@Before
public void init() {
bookList = new ArrayList<>();
bookList.add(new Book("The Fellowship of the Ring", 1954, "0395489318"));
bookList.add(new Book("The Two Towers", 1954, "0345339711"));
bookList.add(new Book("The Return of the King", 1955, "0618129111"));
}
@Test
public void whenConvertFromListToMap() {
assertTrue(convertToMap.listToMap(bookList).size() == 3);
}
@Test(expected = IllegalStateException.class)
public void whenMapHasDuplicateKey_without_merge_function_then_runtime_exception() {
convertToMap.listToMapWithDupKeyError(bookList);
}
@Test
public void whenMapHasDuplicateKeyThenMergeFunctionHandlesCollision() {
Map<Integer, Book> booksByYear = convertToMap.listToMapWithDupKey(bookList);
assertEquals(2, booksByYear.size());
assertEquals("0395489318", booksByYear.get(1954).getIsbn());
}
@Test
public void whenCreateConcurrentHashMap() {
assertTrue(convertToMap.listToConcurrentMap(bookList) instanceof ConcurrentHashMap);
}
@Test
public void whenMapisSorted() {
assertTrue(convertToMap.listToSortedMap(bookList).firstKey().equals("The Fellowship of the Ring"));
}
}

2
java-strings-2/src/test/java/com/baeldung/string/search/SubstringSearch.java → java-strings-2/src/test/java/com/baeldung/string/search/SubstringSearchUnitTest.java
View File

@ -10,7 +10,7 @@ import org.junit.Test;
/**
* BAEL-2832: Different ways to check if a Substring could be found in a String.
*/
public class SubstringSearch {
public class SubstringSearchUnitTest {
@Test
public void searchSubstringWithIndexOf() {

1
jee-7/README.md
View File

@ -6,3 +6,4 @@
- [A Guide to Java EE Web-Related Annotations](http://www.baeldung.com/javaee-web-annotations)
- [Introduction to Testing with Arquillian](http://www.baeldung.com/arquillian)
- [Java EE 7 Batch Processing](https://www.baeldung.com/java-ee-7-batch-processing)
- [The Difference Between CDI and EJB Singleton](https://www.baeldung.com/jee-cdi-vs-ejb-singleton)

1
jersey/README.md
View File

@ -3,3 +3,4 @@
- [Bean Validation in Jersey](https://www.baeldung.com/jersey-bean-validation)
- [Set a Response Body in JAX-RS](https://www.baeldung.com/jax-rs-response)
- [Exploring the Jersey Test Framework](https://www.baeldung.com/jersey-test)
- [Explore Jersey Request Parameters](https://www.baeldung.com/jersey-request-parameters)

1
jersey/src/test/java/com/baeldung/jersey/server/rest/FruitResourceIntegrationTest.java
View File

@ -26,6 +26,7 @@ public class FruitResourceIntegrationTest extends JerseyTest {
protected Application configure() {
enable(TestProperties.LOG_TRAFFIC);
enable(TestProperties.DUMP_ENTITY);
forceSet(TestProperties.CONTAINER_PORT, "0");
ViewApplicationConfig config = new ViewApplicationConfig();
config.register(FruitExceptionMapper.class);

166
jhipster/jhipster-microservice/car-app/pom.xml
View File

@ -1,21 +1,100 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.car.app</groupId>
<artifactId>car-app</artifactId>
<name>car-app</name>
<packaging>war</packaging>
<parent>
<artifactId>jhipster-microservice</artifactId>
<groupId>com.baeldung.jhipster</groupId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<groupId>com.car.app</groupId>
<artifactId>car-app</artifactId>
<packaging>war</packaging>
<name>car-app</name>
<prerequisites>
<maven>${maven.version}</maven>
</prerequisites>
<properties>
<argLine>-Djava.security.egd=file:/dev/./urandom -Xmx256m</argLine>
<assertj.version>3.6.2</assertj.version>
<awaitility.version>2.0.0</awaitility.version>
<commons-io.version>2.5</commons-io.version>
<commons-lang.version>3.5</commons-lang.version>
<docker-maven-plugin.version>0.4.13</docker-maven-plugin.version>
<hazelcast-hibernate52.version>1.2</hazelcast-hibernate52.version>
<hibernate.version>5.2.8.Final</hibernate.version>
<hikaricp.version>2.6.0</hikaricp.version>
<jacoco-maven-plugin.version>0.7.9</jacoco-maven-plugin.version>
<java.version>1.8</java.version>
<javassist.version>3.21.0-GA</javassist.version>
<jcache.version>1.0.0</jcache.version>
<jhipster.server.version>1.1.0</jhipster.server.version>
<jjwt.version>0.7.0</jjwt.version>
<liquibase-hibernate5.version>3.6</liquibase-hibernate5.version>
<liquibase-slf4j.version>2.0.0</liquibase-slf4j.version>
<liquibase.version>3.6.2</liquibase.version>
<logstash-logback-encoder.version>4.8</logstash-logback-encoder.version>
<m2e.apt.activation>jdt_apt</m2e.apt.activation>
<mapstruct.version>1.1.0.Final</mapstruct.version>
<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
<maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
<maven-resources-plugin.version>3.0.1</maven-resources-plugin.version>
<maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
<maven.version>3.0.0</maven.version>
<metrics-spring.version>3.1.3</metrics-spring.version>
<node.version>v6.10.0</node.version>
<!-- These remain empty unless the corresponding profile is active -->
<profile.no-liquibase />
<profile.swagger />
<!-- Sonar properties -->
<project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
<prometheus-simpleclient.version>0.0.20</prometheus-simpleclient.version>
<run.addResources>false</run.addResources>
<scala-maven-plugin.version>3.2.2</scala-maven-plugin.version>
<scala.version>2.12.1</scala.version>
<sonar-maven-plugin.version>3.2</sonar-maven-plugin.version>
<sonar.exclusions>src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.*</sonar.exclusions>
<sonar.issue.ignore.multicriteria>S3437,UndocumentedApi,BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=Web%3ABoldAndItalicTagsCheck is ignored. Even if we agree that using the "i" tag is an awful practice, this is what is
recommended by http://fontawesome.io/examples/ -->
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>src/main/webapp/app/**/*.*</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>Web:BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=squid%3AS3437 is ignored, as a JPA-managed field cannot be transient -->
<sonar.issue.ignore.multicriteria.S3437.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.S3437.resourceKey>
<sonar.issue.ignore.multicriteria.S3437.ruleKey>squid:S3437</sonar.issue.ignore.multicriteria.S3437.ruleKey>
<!-- Rule http://sonarqube.com/coding_rules#rule_key=squid%3AUndocumentedApi is ignored, as we want to follow "clean code" guidelines and classes, methods and arguments names
should be self-explanatory -->
<sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>
<sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>squid:UndocumentedApi</sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>
<sonar.jacoco.itReportPath>${project.testresult.directory}/coverage/jacoco/jacoco-it.exec</sonar.jacoco.itReportPath>
<sonar.jacoco.reportPath>${project.testresult.directory}/coverage/jacoco/jacoco.exec</sonar.jacoco.reportPath>
<sonar.java.codeCoveragePlugin>jacoco</sonar.java.codeCoveragePlugin>
<sonar.javascript.jstestdriver.reportsPath>${project.testresult.directory}/karma</sonar.javascript.jstestdriver.reportsPath>
<!-- For Sonar < 6.2 -->
<sonar.javascript.lcov.reportPath>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPath>
<!-- For Sonar >= 6.2 -->
<sonar.javascript.lcov.reportPaths>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPaths>
<sonar.sources>${project.basedir}/src/main/</sonar.sources>
<sonar.surefire.reportsPath>${project.testresult.directory}/surefire-reports</sonar.surefire.reportsPath>
<sonar.tests>${project.basedir}/src/test/</sonar.tests>
<sortpom-maven-plugin.version>2.5.0</sortpom-maven-plugin.version>
<!-- Spring properties -->
<spring-cloud.version>Camden.SR5</spring-cloud.version>
<springfox.version>2.6.1</springfox.version>
<undertow.version>1.4.10.Final</undertow.version>
<validation-api.version>1.1.0.Final</validation-api.version>
<yarn.version>v0.21.3</yarn.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
@ -819,83 +898,4 @@
</profile>
</profiles>
<properties>
<argLine>-Djava.security.egd=file:/dev/./urandom -Xmx256m</argLine>
<assertj.version>3.6.2</assertj.version>
<awaitility.version>2.0.0</awaitility.version>
<commons-io.version>2.5</commons-io.version>
<commons-lang.version>3.5</commons-lang.version>
<docker-maven-plugin.version>0.4.13</docker-maven-plugin.version>
<hazelcast-hibernate52.version>1.2</hazelcast-hibernate52.version>
<hibernate.version>5.2.8.Final</hibernate.version>
<hikaricp.version>2.6.0</hikaricp.version>
<jacoco-maven-plugin.version>0.7.9</jacoco-maven-plugin.version>
<java.version>1.8</java.version>
<javassist.version>3.21.0-GA</javassist.version>
<jcache.version>1.0.0</jcache.version>
<jhipster.server.version>1.1.0</jhipster.server.version>
<jjwt.version>0.7.0</jjwt.version>
<liquibase-hibernate5.version>3.6</liquibase-hibernate5.version>
<liquibase-slf4j.version>2.0.0</liquibase-slf4j.version>
<liquibase.version>3.6.2</liquibase.version>
<logstash-logback-encoder.version>4.8</logstash-logback-encoder.version>
<m2e.apt.activation>jdt_apt</m2e.apt.activation>
<mapstruct.version>1.1.0.Final</mapstruct.version>
<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
<maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
<maven-resources-plugin.version>3.0.1</maven-resources-plugin.version>
<maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
<maven.version>3.0.0</maven.version>
<metrics-spring.version>3.1.3</metrics-spring.version>
<node.version>v6.10.0</node.version>
<!-- These remain empty unless the corresponding profile is active -->
<profile.no-liquibase />
<profile.swagger />
<!-- Sonar properties -->
<project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
<prometheus-simpleclient.version>0.0.20</prometheus-simpleclient.version>
<run.addResources>false</run.addResources>
<scala-maven-plugin.version>3.2.2</scala-maven-plugin.version>
<scala.version>2.12.1</scala.version>
<sonar-maven-plugin.version>3.2</sonar-maven-plugin.version>
<sonar.exclusions>src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.*</sonar.exclusions>
<sonar.issue.ignore.multicriteria>S3437,UndocumentedApi,BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=Web%3ABoldAndItalicTagsCheck is ignored. Even if we agree that using the "i" tag is an awful practice, this is what is
recommended by http://fontawesome.io/examples/ -->
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>src/main/webapp/app/**/*.*</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>Web:BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=squid%3AS3437 is ignored, as a JPA-managed field cannot be transient -->
<sonar.issue.ignore.multicriteria.S3437.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.S3437.resourceKey>
<sonar.issue.ignore.multicriteria.S3437.ruleKey>squid:S3437</sonar.issue.ignore.multicriteria.S3437.ruleKey>
<!-- Rule http://sonarqube.com/coding_rules#rule_key=squid%3AUndocumentedApi is ignored, as we want to follow "clean code" guidelines and classes, methods and arguments names
should be self-explanatory -->
<sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>
<sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>squid:UndocumentedApi</sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>
<sonar.jacoco.itReportPath>${project.testresult.directory}/coverage/jacoco/jacoco-it.exec</sonar.jacoco.itReportPath>
<sonar.jacoco.reportPath>${project.testresult.directory}/coverage/jacoco/jacoco.exec</sonar.jacoco.reportPath>
<sonar.java.codeCoveragePlugin>jacoco</sonar.java.codeCoveragePlugin>
<sonar.javascript.jstestdriver.reportsPath>${project.testresult.directory}/karma</sonar.javascript.jstestdriver.reportsPath>
<!-- For Sonar < 6.2 -->
<sonar.javascript.lcov.reportPath>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPath>
<!-- For Sonar >= 6.2 -->
<sonar.javascript.lcov.reportPaths>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPaths>
<sonar.sources>${project.basedir}/src/main/</sonar.sources>
<sonar.surefire.reportsPath>${project.testresult.directory}/surefire-reports</sonar.surefire.reportsPath>
<sonar.tests>${project.basedir}/src/test/</sonar.tests>
<sortpom-maven-plugin.version>2.5.0</sortpom-maven-plugin.version>
<!-- Spring properties -->
<spring-cloud.version>Camden.SR5</spring-cloud.version>
<springfox.version>2.6.1</springfox.version>
<undertow.version>1.4.10.Final</undertow.version>
<validation-api.version>1.1.0.Final</validation-api.version>
<yarn.version>v0.21.3</yarn.version>
</properties>
</project>

164
jhipster/jhipster-microservice/dealer-app/pom.xml
View File

@ -1,21 +1,99 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.dealer.app</groupId>
<artifactId>dealer-app</artifactId>
<name>dealer-app</name>
<packaging>war</packaging>
<parent>
<artifactId>jhipster-microservice</artifactId>
<groupId>com.baeldung.jhipster</groupId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<groupId>com.dealer.app</groupId>
<artifactId>dealer-app</artifactId>
<packaging>war</packaging>
<name>dealer-app</name>
<prerequisites>
<maven>${maven.version}</maven>
</prerequisites>
<properties>
<argLine>-Djava.security.egd=file:/dev/./urandom -Xmx256m</argLine>
<assertj.version>3.6.2</assertj.version>
<awaitility.version>2.0.0</awaitility.version>
<commons-io.version>2.5</commons-io.version>
<commons-lang.version>3.5</commons-lang.version>
<docker-maven-plugin.version>0.4.13</docker-maven-plugin.version>
<hazelcast-hibernate52.version>1.2</hazelcast-hibernate52.version>
<hibernate.version>5.2.8.Final</hibernate.version>
<hikaricp.version>2.6.0</hikaricp.version>
<jacoco-maven-plugin.version>0.7.9</jacoco-maven-plugin.version>
<javassist.version>3.21.0-GA</javassist.version>
<jcache.version>1.0.0</jcache.version>
<jhipster.server.version>1.1.0</jhipster.server.version>
<jjwt.version>0.7.0</jjwt.version>
<liquibase-hibernate5.version>3.6</liquibase-hibernate5.version>
<liquibase-slf4j.version>2.0.0</liquibase-slf4j.version>
<liquibase.version>3.6.2</liquibase.version>
<logstash-logback-encoder.version>4.8</logstash-logback-encoder.version>
<m2e.apt.activation>jdt_apt</m2e.apt.activation>
<mapstruct.version>1.1.0.Final</mapstruct.version>
<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
<maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
<maven-resources-plugin.version>3.0.1</maven-resources-plugin.version>
<maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
<maven.version>3.0.0</maven.version>
<metrics-spring.version>3.1.3</metrics-spring.version>
<node.version>v6.10.0</node.version>
<!-- These remain empty unless the corresponding profile is active -->
<profile.no-liquibase />
<profile.swagger />
<!-- Sonar properties -->
<project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
<prometheus-simpleclient.version>0.0.20</prometheus-simpleclient.version>
<run.addResources>false</run.addResources>
<scala-maven-plugin.version>3.2.2</scala-maven-plugin.version>
<scala.version>2.12.1</scala.version>
<sonar-maven-plugin.version>3.2</sonar-maven-plugin.version>
<sonar.exclusions>src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.*</sonar.exclusions>
<sonar.issue.ignore.multicriteria>S3437,UndocumentedApi,BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=Web%3ABoldAndItalicTagsCheck is ignored. Even if we agree that using the "i" tag is an awful practice, this is what is
recommended by http://fontawesome.io/examples/ -->
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>src/main/webapp/app/**/*.*</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>Web:BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=squid%3AS3437 is ignored, as a JPA-managed field cannot be transient -->
<sonar.issue.ignore.multicriteria.S3437.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.S3437.resourceKey>
<sonar.issue.ignore.multicriteria.S3437.ruleKey>squid:S3437</sonar.issue.ignore.multicriteria.S3437.ruleKey>
<!-- Rule http://sonarqube.com/coding_rules#rule_key=squid%3AUndocumentedApi is ignored, as we want to follow "clean code" guidelines and classes, methods and arguments names
should be self-explanatory -->
<sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>
<sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>squid:UndocumentedApi</sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>
<sonar.jacoco.itReportPath>${project.testresult.directory}/coverage/jacoco/jacoco-it.exec</sonar.jacoco.itReportPath>
<sonar.jacoco.reportPath>${project.testresult.directory}/coverage/jacoco/jacoco.exec</sonar.jacoco.reportPath>
<sonar.java.codeCoveragePlugin>jacoco</sonar.java.codeCoveragePlugin>
<sonar.javascript.jstestdriver.reportsPath>${project.testresult.directory}/karma</sonar.javascript.jstestdriver.reportsPath>
<!-- For Sonar < 6.2 -->
<sonar.javascript.lcov.reportPath>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPath>
<!-- For Sonar >= 6.2 -->
<sonar.javascript.lcov.reportPaths>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPaths>
<sonar.sources>${project.basedir}/src/main/</sonar.sources>
<sonar.surefire.reportsPath>${project.testresult.directory}/surefire-reports</sonar.surefire.reportsPath>
<sonar.tests>${project.basedir}/src/test/</sonar.tests>
<sortpom-maven-plugin.version>2.5.0</sortpom-maven-plugin.version>
<!-- Spring properties -->
<spring-cloud.version>Camden.SR5</spring-cloud.version>
<springfox.version>2.6.1</springfox.version>
<undertow.version>1.4.10.Final</undertow.version>
<validation-api.version>1.1.0.Final</validation-api.version>
<yarn.version>v0.21.3</yarn.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
@ -813,83 +891,5 @@
</dependencies>
</profile>
</profiles>
<properties>
<argLine>-Djava.security.egd=file:/dev/./urandom -Xmx256m</argLine>
<assertj.version>3.6.2</assertj.version>
<awaitility.version>2.0.0</awaitility.version>
<commons-io.version>2.5</commons-io.version>
<commons-lang.version>3.5</commons-lang.version>
<docker-maven-plugin.version>0.4.13</docker-maven-plugin.version>
<hazelcast-hibernate52.version>1.2</hazelcast-hibernate52.version>
<hibernate.version>5.2.8.Final</hibernate.version>
<hikaricp.version>2.6.0</hikaricp.version>
<jacoco-maven-plugin.version>0.7.9</jacoco-maven-plugin.version>
<javassist.version>3.21.0-GA</javassist.version>
<jcache.version>1.0.0</jcache.version>
<jhipster.server.version>1.1.0</jhipster.server.version>
<jjwt.version>0.7.0</jjwt.version>
<liquibase-hibernate5.version>3.6</liquibase-hibernate5.version>
<liquibase-slf4j.version>2.0.0</liquibase-slf4j.version>
<liquibase.version>3.6.2</liquibase.version>
<logstash-logback-encoder.version>4.8</logstash-logback-encoder.version>
<m2e.apt.activation>jdt_apt</m2e.apt.activation>
<mapstruct.version>1.1.0.Final</mapstruct.version>
<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
<maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
<maven-resources-plugin.version>3.0.1</maven-resources-plugin.version>
<maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
<maven.version>3.0.0</maven.version>
<metrics-spring.version>3.1.3</metrics-spring.version>
<node.version>v6.10.0</node.version>
<!-- These remain empty unless the corresponding profile is active -->
<profile.no-liquibase />
<profile.swagger />
<!-- Sonar properties -->
<project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
<prometheus-simpleclient.version>0.0.20</prometheus-simpleclient.version>
<run.addResources>false</run.addResources>
<scala-maven-plugin.version>3.2.2</scala-maven-plugin.version>
<scala.version>2.12.1</scala.version>
<sonar-maven-plugin.version>3.2</sonar-maven-plugin.version>
<sonar.exclusions>src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.*</sonar.exclusions>
<sonar.issue.ignore.multicriteria>S3437,UndocumentedApi,BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=Web%3ABoldAndItalicTagsCheck is ignored. Even if we agree that using the "i" tag is an awful practice, this is what is
recommended by http://fontawesome.io/examples/ -->
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>src/main/webapp/app/**/*.*</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>Web:BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=squid%3AS3437 is ignored, as a JPA-managed field cannot be transient -->
<sonar.issue.ignore.multicriteria.S3437.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.S3437.resourceKey>
<sonar.issue.ignore.multicriteria.S3437.ruleKey>squid:S3437</sonar.issue.ignore.multicriteria.S3437.ruleKey>
<!-- Rule http://sonarqube.com/coding_rules#rule_key=squid%3AUndocumentedApi is ignored, as we want to follow "clean code" guidelines and classes, methods and arguments names
should be self-explanatory -->
<sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>
<sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>squid:UndocumentedApi</sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>
<sonar.jacoco.itReportPath>${project.testresult.directory}/coverage/jacoco/jacoco-it.exec</sonar.jacoco.itReportPath>
<sonar.jacoco.reportPath>${project.testresult.directory}/coverage/jacoco/jacoco.exec</sonar.jacoco.reportPath>
<sonar.java.codeCoveragePlugin>jacoco</sonar.java.codeCoveragePlugin>
<sonar.javascript.jstestdriver.reportsPath>${project.testresult.directory}/karma</sonar.javascript.jstestdriver.reportsPath>
<!-- For Sonar < 6.2 -->
<sonar.javascript.lcov.reportPath>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPath>
<!-- For Sonar >= 6.2 -->
<sonar.javascript.lcov.reportPaths>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPaths>
<sonar.sources>${project.basedir}/src/main/</sonar.sources>
<sonar.surefire.reportsPath>${project.testresult.directory}/surefire-reports</sonar.surefire.reportsPath>
<sonar.tests>${project.basedir}/src/test/</sonar.tests>
<sortpom-maven-plugin.version>2.5.0</sortpom-maven-plugin.version>
<!-- Spring properties -->
<spring-cloud.version>Camden.SR5</spring-cloud.version>
<springfox.version>2.6.1</springfox.version>
<undertow.version>1.4.10.Final</undertow.version>
<validation-api.version>1.1.0.Final</validation-api.version>
<yarn.version>v0.21.3</yarn.version>
</properties>
</project>

172
jhipster/jhipster-microservice/gateway-app/pom.xml
View File

@ -1,21 +1,103 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.gateway</groupId>
<artifactId>gateway-app</artifactId>
<name>gateway-app</name>
<packaging>war</packaging>
<parent>
<artifactId>jhipster-microservice</artifactId>
<groupId>com.baeldung.jhipster</groupId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<groupId>com.gateway</groupId>
<artifactId>gateway-app</artifactId>
<packaging>war</packaging>
<name>gateway-app</name>
<prerequisites>
<maven>${maven.version}</maven>
</prerequisites>
<properties>
<argLine>-Djava.security.egd=file:/dev/./urandom -Xmx256m</argLine>
<assertj.version>3.6.2</assertj.version>
<awaitility.version>2.0.0</awaitility.version>
<cassandra-driver.version>3.6.0</cassandra-driver.version>
<commons-codec.version>1.10</commons-codec.version>
<commons-io.version>2.5</commons-io.version>
<commons-lang.version>3.5</commons-lang.version>
<docker-maven-plugin.version>0.4.13</docker-maven-plugin.version>
<frontend-maven-plugin.version>1.3</frontend-maven-plugin.version>
<hazelcast-hibernate52.version>1.2</hazelcast-hibernate52.version>
<hibernate.version>5.2.8.Final</hibernate.version>
<hikaricp.version>2.6.0</hikaricp.version>
<jacoco-maven-plugin.version>0.7.9</jacoco-maven-plugin.version>
<javassist.version>3.21.0-GA</javassist.version>
<jcache.version>1.0.0</jcache.version>
<jhipster.server.version>1.1.0</jhipster.server.version>
<jjwt.version>0.7.0</jjwt.version>
<liquibase-hibernate5.version>3.6</liquibase-hibernate5.version>
<liquibase-slf4j.version>2.0.0</liquibase-slf4j.version>
<liquibase.version>3.6.2</liquibase.version>
<logstash-logback-encoder.version>4.8</logstash-logback-encoder.version>
<lz4.version>1.3.0</lz4.version>
<m2e.apt.activation>jdt_apt</m2e.apt.activation>
<mapstruct.version>1.1.0.Final</mapstruct.version>
<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
<maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
<maven-resources-plugin.version>3.0.1</maven-resources-plugin.version>
<maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
<maven.version>3.0.0</maven.version>
<metrics-spring.version>3.1.3</metrics-spring.version>
<node.version>v6.10.0</node.version>
<!-- These remain empty unless the corresponding profile is active -->
<profile.no-liquibase />
<profile.swagger />
<!-- Sonar properties -->
<project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
<prometheus-simpleclient.version>0.0.20</prometheus-simpleclient.version>
<run.addResources>false</run.addResources>
<scala-maven-plugin.version>3.2.2</scala-maven-plugin.version>
<scala.version>2.12.1</scala.version>
<sonar-maven-plugin.version>3.2</sonar-maven-plugin.version>
<sonar.exclusions>src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.*</sonar.exclusions>
<sonar.issue.ignore.multicriteria>S3437,UndocumentedApi,BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=Web%3ABoldAndItalicTagsCheck is ignored. Even if we agree that using the "i" tag is an awful practice, this is what is
recommended by http://fontawesome.io/examples/ -->
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>src/main/webapp/app/**/*.*</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>Web:BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=squid%3AS3437 is ignored, as a JPA-managed field cannot be transient -->
<sonar.issue.ignore.multicriteria.S3437.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.S3437.resourceKey>
<sonar.issue.ignore.multicriteria.S3437.ruleKey>squid:S3437</sonar.issue.ignore.multicriteria.S3437.ruleKey>
<!-- Rule http://sonarqube.com/coding_rules#rule_key=squid%3AUndocumentedApi is ignored, as we want to follow "clean code" guidelines and classes, methods and arguments names
should be self-explanatory -->
<sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>
<sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>squid:UndocumentedApi</sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>
<sonar.jacoco.itReportPath>${project.testresult.directory}/coverage/jacoco/jacoco-it.exec</sonar.jacoco.itReportPath>
<sonar.jacoco.reportPath>${project.testresult.directory}/coverage/jacoco/jacoco.exec</sonar.jacoco.reportPath>
<sonar.java.codeCoveragePlugin>jacoco</sonar.java.codeCoveragePlugin>
<sonar.javascript.jstestdriver.reportsPath>${project.testresult.directory}/karma</sonar.javascript.jstestdriver.reportsPath>
<!-- For Sonar < 6.2 -->
<sonar.javascript.lcov.reportPath>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPath>
<!-- For Sonar >= 6.2 -->
<sonar.javascript.lcov.reportPaths>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPaths>
<sonar.sources>${project.basedir}/src/main/</sonar.sources>
<sonar.surefire.reportsPath>${project.testresult.directory}/surefire-reports</sonar.surefire.reportsPath>
<sonar.tests>${project.basedir}/src/test/</sonar.tests>
<sortpom-maven-plugin.version>2.5.0</sortpom-maven-plugin.version>
<!-- Spring properties -->
<spring-cloud.version>Camden.SR5</spring-cloud.version>
<springfox.version>2.6.1</springfox.version>
<undertow.version>1.4.10.Final</undertow.version>
<validation-api.version>1.1.0.Final</validation-api.version>
<yarn.version>v0.21.3</yarn.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
@ -925,87 +1007,5 @@
</dependencies>
</profile>
</profiles>
<properties>
<argLine>-Djava.security.egd=file:/dev/./urandom -Xmx256m</argLine>
<assertj.version>3.6.2</assertj.version>
<awaitility.version>2.0.0</awaitility.version>
<cassandra-driver.version>3.6.0</cassandra-driver.version>
<commons-codec.version>1.10</commons-codec.version>
<commons-io.version>2.5</commons-io.version>
<commons-lang.version>3.5</commons-lang.version>
<docker-maven-plugin.version>0.4.13</docker-maven-plugin.version>
<frontend-maven-plugin.version>1.3</frontend-maven-plugin.version>
<hazelcast-hibernate52.version>1.2</hazelcast-hibernate52.version>
<hibernate.version>5.2.8.Final</hibernate.version>
<hikaricp.version>2.6.0</hikaricp.version>
<jacoco-maven-plugin.version>0.7.9</jacoco-maven-plugin.version>
<javassist.version>3.21.0-GA</javassist.version>
<jcache.version>1.0.0</jcache.version>
<jhipster.server.version>1.1.0</jhipster.server.version>
<jjwt.version>0.7.0</jjwt.version>
<liquibase-hibernate5.version>3.6</liquibase-hibernate5.version>
<liquibase-slf4j.version>2.0.0</liquibase-slf4j.version>
<liquibase.version>3.6.2</liquibase.version>
<logstash-logback-encoder.version>4.8</logstash-logback-encoder.version>
<lz4.version>1.3.0</lz4.version>
<m2e.apt.activation>jdt_apt</m2e.apt.activation>
<mapstruct.version>1.1.0.Final</mapstruct.version>
<maven-eclipse-plugin.version>2.10</maven-eclipse-plugin.version>
<maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
<maven-resources-plugin.version>3.0.1</maven-resources-plugin.version>
<maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
<maven.version>3.0.0</maven.version>
<metrics-spring.version>3.1.3</metrics-spring.version>
<node.version>v6.10.0</node.version>
<!-- These remain empty unless the corresponding profile is active -->
<profile.no-liquibase />
<profile.swagger />
<!-- Sonar properties -->
<project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
<prometheus-simpleclient.version>0.0.20</prometheus-simpleclient.version>
<run.addResources>false</run.addResources>
<scala-maven-plugin.version>3.2.2</scala-maven-plugin.version>
<scala.version>2.12.1</scala.version>
<sonar-maven-plugin.version>3.2</sonar-maven-plugin.version>
<sonar.exclusions>src/main/webapp/content/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/i18n/*.js, target/www/**/*.*</sonar.exclusions>
<sonar.issue.ignore.multicriteria>S3437,UndocumentedApi,BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=Web%3ABoldAndItalicTagsCheck is ignored. Even if we agree that using the "i" tag is an awful practice, this is what is
recommended by http://fontawesome.io/examples/ -->
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>src/main/webapp/app/**/*.*</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.resourceKey>
<sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>Web:BoldAndItalicTagsCheck</sonar.issue.ignore.multicriteria.BoldAndItalicTagsCheck.ruleKey>
<!-- Rule https://sonarqube.com/coding_rules#rule_key=squid%3AS3437 is ignored, as a JPA-managed field cannot be transient -->
<sonar.issue.ignore.multicriteria.S3437.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.S3437.resourceKey>
<sonar.issue.ignore.multicriteria.S3437.ruleKey>squid:S3437</sonar.issue.ignore.multicriteria.S3437.ruleKey>
<!-- Rule http://sonarqube.com/coding_rules#rule_key=squid%3AUndocumentedApi is ignored, as we want to follow "clean code" guidelines and classes, methods and arguments names
should be self-explanatory -->
<sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>src/main/java/**/*</sonar.issue.ignore.multicriteria.UndocumentedApi.resourceKey>
<sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>squid:UndocumentedApi</sonar.issue.ignore.multicriteria.UndocumentedApi.ruleKey>
<sonar.jacoco.itReportPath>${project.testresult.directory}/coverage/jacoco/jacoco-it.exec</sonar.jacoco.itReportPath>
<sonar.jacoco.reportPath>${project.testresult.directory}/coverage/jacoco/jacoco.exec</sonar.jacoco.reportPath>
<sonar.java.codeCoveragePlugin>jacoco</sonar.java.codeCoveragePlugin>
<sonar.javascript.jstestdriver.reportsPath>${project.testresult.directory}/karma</sonar.javascript.jstestdriver.reportsPath>
<!-- For Sonar < 6.2 -->
<sonar.javascript.lcov.reportPath>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPath>
<!-- For Sonar >= 6.2 -->
<sonar.javascript.lcov.reportPaths>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPaths>
<sonar.sources>${project.basedir}/src/main/</sonar.sources>
<sonar.surefire.reportsPath>${project.testresult.directory}/surefire-reports</sonar.surefire.reportsPath>
<sonar.tests>${project.basedir}/src/test/</sonar.tests>
<sortpom-maven-plugin.version>2.5.0</sortpom-maven-plugin.version>
<!-- Spring properties -->
<spring-cloud.version>Camden.SR5</spring-cloud.version>
<springfox.version>2.6.1</springfox.version>
<undertow.version>1.4.10.Final</undertow.version>
<validation-api.version>1.1.0.Final</validation-api.version>
<yarn.version>v0.21.3</yarn.version>
</properties>
</project>

1
kotlin-libraries-2/README.md
View File

@ -1,3 +1,4 @@
## Relevant articles:
- [Jackson Support for Kotlin](https://www.baeldung.com/jackson-kotlin)
- [Introduction to RxKotlin](https://www.baeldung.com/rxkotlin)

120
kotlin-quasar/pom.xml Normal file
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@ -0,0 +1,120 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung</groupId>
<artifactId>kotlin-quasar</artifactId>
<version>1.0.0-SNAPSHOT</version>
<name>kotlin-quasar</name>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-stdlib-jdk8</artifactId>
<version>${kotlin.version}</version>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-test</artifactId>
<version>${kotlin.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>co.paralleluniverse</groupId>
<artifactId>quasar-core</artifactId>
<version>${quasar.version}</version>
</dependency>
<dependency>
<groupId>co.paralleluniverse</groupId>
<artifactId>quasar-actors</artifactId>
<version>${quasar.version}</version>
</dependency>
<dependency>
<groupId>co.paralleluniverse</groupId>
<artifactId>quasar-reactive-streams</artifactId>
<version>${quasar.version}</version>
</dependency>
<dependency>
<groupId>co.paralleluniverse</groupId>
<artifactId>quasar-kotlin</artifactId>
<version>${quasar.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
</dependencies>
<build>
<sourceDirectory>src/main/kotlin</sourceDirectory>
<testSourceDirectory>src/test/kotlin</testSourceDirectory>
<plugins>
<plugin>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-plugin</artifactId>
<version>${kotlin.version}</version>
<executions>
<execution>
<id>compile</id>
<phase>compile</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
<execution>
<id>test-compile</id>
<phase>test-compile</phase>
<goals>
<goal>test-compile</goal>
</goals>
</execution>
</executions>
<configuration>
<jvmTarget>1.8</jvmTarget>
</configuration>
</plugin>
<plugin>
<artifactId>maven-dependency-plugin</artifactId>
<version>3.1.1</version>
<executions>
<execution>
<id>getClasspathFilenames</id>
<goals>
<goal>properties</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.1</version>
<configuration>
<argLine>-Dco.paralleluniverse.fibers.verifyInstrumentation=true</argLine>
<argLine>-javaagent:${co.paralleluniverse:quasar-core:jar}</argLine>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.3.2</version>
<configuration>
<workingDirectory>target/classes</workingDirectory>
<executable>echo</executable>
<arguments>
<argument>-javaagent:${co.paralleluniverse:quasar-core:jar}</argument>
<argument>-classpath</argument> <classpath/>
<argument>com.baeldung.quasar.QuasarHelloWorldKt</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<quasar.version>0.8.0</quasar.version>
<kotlin.version>1.3.31</kotlin.version>
</properties>
</project>

19
kotlin-quasar/src/main/kotlin/com/baeldung/quasar/QuasarHelloWorld.kt Normal file
View File

@ -0,0 +1,19 @@
package com.baeldung.quasar
import co.paralleluniverse.fibers.Fiber
import co.paralleluniverse.strands.SuspendableRunnable
/**
* Entrypoint into the application
*/
fun main(args: Array<String>) {
class Runnable : SuspendableRunnable {
override fun run() {
println("Hello")
}
}
val result = Fiber<Void>(Runnable()).start()
result.join()
println("World")
}

155
kotlin-quasar/src/test/kotlin/com/baeldung/quasar/ChannelsTest.kt Normal file
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@ -0,0 +1,155 @@
package com.baeldung.quasar
import co.paralleluniverse.fibers.Suspendable
import co.paralleluniverse.kotlin.fiber
import co.paralleluniverse.strands.channels.Channels
import co.paralleluniverse.strands.channels.Selector
import com.google.common.base.Function
import org.junit.Test
class ChannelsTest {
@Test
fun createChannel() {
Channels.newChannel<String>(0, // The size of the channel buffer
Channels.OverflowPolicy.BLOCK, // The policy for when the buffer is full
true, // Whether we should optimize for a single message producer
true) // Whether we should optimize for a single message consumer
}
@Test
fun blockOnMessage() {
val channel = Channels.newChannel<String>(0, Channels.OverflowPolicy.BLOCK, true, true)
fiber @Suspendable {
while (!channel.isClosed) {
val message = channel.receive()
println("Received: $message")
}
println("Stopped receiving messages")
}
channel.send("Hello")
channel.send("World")
channel.close()
}
@Test
fun selectReceiveChannels() {
val channel1 = Channels.newChannel<String>(0, Channels.OverflowPolicy.BLOCK, true, true)
val channel2 = Channels.newChannel<String>(0, Channels.OverflowPolicy.BLOCK, true, true)
fiber @Suspendable {
while (!channel1.isClosed && !channel2.isClosed) {
val received = Selector.select(Selector.receive(channel1), Selector.receive(channel2))
println("Received: $received")
}
}
fiber @Suspendable {
for (i in 0..10) {
channel1.send("Channel 1: $i")
}
}
fiber @Suspendable {
for (i in 0..10) {
channel2.send("Channel 2: $i")
}
}
}
@Test
fun selectSendChannels() {
val channel1 = Channels.newChannel<String>(0, Channels.OverflowPolicy.BLOCK, true, true)
val channel2 = Channels.newChannel<String>(0, Channels.OverflowPolicy.BLOCK, true, true)
fiber @Suspendable {
for (i in 0..10) {
Selector.select(
Selector.send(channel1, "Channel 1: $i"),
Selector.send(channel2, "Channel 2: $i")
)
}
}
fiber @Suspendable {
while (!channel1.isClosed) {
val msg = channel1.receive()
println("Read: $msg")
}
}
fiber @Suspendable {
while (!channel2.isClosed) {
val msg = channel2.receive()
println("Read: $msg")
}
}
}
@Test
fun tickerChannel() {
val channel = Channels.newChannel<String>(3, Channels.OverflowPolicy.DISPLACE)
for (i in 0..10) {
val tickerConsumer = Channels.newTickerConsumerFor(channel)
fiber @Suspendable {
while (!tickerConsumer.isClosed) {
val message = tickerConsumer.receive()
println("Received on $i: $message")
}
println("Stopped receiving messages on $i")
}
}
for (i in 0..50) {
channel.send("Message $i")
}
channel.close()
}
@Test
fun transformOnSend() {
val channel = Channels.newChannel<String>(0, Channels.OverflowPolicy.BLOCK, true, true)
fiber @Suspendable {
while (!channel.isClosed) {
val message = channel.receive()
println("Received: $message")
}
println("Stopped receiving messages")
}
val transformOnSend = Channels.mapSend(channel, Function<String, String> { msg: String? -> msg?.toUpperCase() })
transformOnSend.send("Hello")
transformOnSend.send("World")
channel.close()
}
@Test
fun transformOnReceive() {
val channel = Channels.newChannel<String>(0, Channels.OverflowPolicy.BLOCK, true, true)
val transformOnReceive = Channels.map(channel, Function<String, String> { msg: String? -> msg?.reversed() })
fiber @Suspendable {
while (!transformOnReceive.isClosed) {
val message = transformOnReceive.receive()
println("Received: $message")
}
println("Stopped receiving messages")
}
channel.send("Hello")
channel.send("World")
channel.close()
}
}

35
kotlin-quasar/src/test/kotlin/com/baeldung/quasar/DataflowTest.kt Normal file
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@ -0,0 +1,35 @@
package com.baeldung.quasar
import co.paralleluniverse.strands.dataflow.Val
import co.paralleluniverse.strands.dataflow.Var
import org.junit.Assert
import org.junit.Test
import java.util.concurrent.TimeUnit
class DataflowTest {
@Test
fun testValVar() {
val a = Var<Int>()
val b = Val<Int>()
val c = Var<Int> { a.get() + b.get() }
val d = Var<Int> { a.get() * b.get() }
// (a*b) - (a+b)
val initialResult = Val<Int> { d.get() - c.get() }
val currentResult = Var<Int> { d.get() - c.get() }
a.set(2)
b.set(4)
Assert.assertEquals(2, initialResult.get())
Assert.assertEquals(2, currentResult.get())
a.set(3)
TimeUnit.SECONDS.sleep(1)
Assert.assertEquals(2, initialResult.get())
Assert.assertEquals(5, currentResult.get())
}
}

53
kotlin-quasar/src/test/kotlin/com/baeldung/quasar/PiAsyncTest.kt Normal file
View File

@ -0,0 +1,53 @@
package com.baeldung.quasar
import co.paralleluniverse.fibers.Fiber
import co.paralleluniverse.fibers.FiberAsync
import co.paralleluniverse.fibers.Suspendable
import co.paralleluniverse.kotlin.fiber
import co.paralleluniverse.strands.Strand
import org.junit.Assert
import org.junit.Test
import java.math.BigDecimal
import java.util.concurrent.TimeUnit
interface PiCallback {
fun success(result: BigDecimal)
fun failure(error: Exception)
}
fun computePi(callback: PiCallback) {
println("Starting calculations")
TimeUnit.SECONDS.sleep(2)
println("Finished calculations")
callback.success(BigDecimal("3.14"))
}
class PiAsync : PiCallback, FiberAsync<BigDecimal, Exception>() {
override fun success(result: BigDecimal) {
asyncCompleted(result)
}
override fun failure(error: Exception) {
asyncFailed(error)
}
override fun requestAsync() {
computePi(this)
}
}
class PiAsyncTest {
@Test
fun testPi() {
val result = fiber @Suspendable {
val pi = PiAsync()
println("Waiting to get PI on: " + Fiber.currentFiber().name)
val result = pi.run()
println("Got PI")
result
}.get()
Assert.assertEquals(BigDecimal("3.14"), result)
}
}

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