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Merge remote-tracking branch 'upstream/master'

This commit is contained in:
Ankur Gupta 2020-04-13 02:39:16 +05:30
parent a9ab80c75e d2d13f075e
commit 7aa28761d3
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1
algorithms-miscellaneous-3/README.md
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@ -13,6 +13,5 @@ This module contains articles about algorithms. Some classes of algorithms, e.g.
- [Checking if a Java Graph has a Cycle](https://www.baeldung.com/java-graph-has-a-cycle)
- [A Guide to the Folding Technique in Java](https://www.baeldung.com/folding-hashing-technique)
- [Creating a Triangle with for Loops in Java](https://www.baeldung.com/java-print-triangle)
- [Efficient Word Frequency Calculator in Java](https://www.baeldung.com/java-word-frequency)
- [The K-Means Clustering Algorithm in Java](https://www.baeldung.com/java-k-means-clustering-algorithm)
- More articles: [[<-- prev]](/algorithms-miscellaneous-2) [[next -->]](/algorithms-miscellaneous-4)

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algorithms-miscellaneous-6/README.md Normal file
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### Relevant Articles:
- [Boruvka’s Algorithm for Minimum Spanning Trees](https://www.baeldung.com/java-boruvka-algorithm)
- [Gradient Descent in Java](https://www.baeldung.com/java-gradient-descent)

3
apache-olingo/olingo2/README.md
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@ -1,3 +0,0 @@
### Relevant Articles:
- [Intro to OData with Olingo](https://www.baeldung.com/olingo)

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atomikos/README.md Normal file
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## Atomikos
This module contains articles about Atomikos
### Relevant Articles:
- [Guide Transactions Using Atomikos]()

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atomikos/pom.xml Normal file
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<?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>
<artifactId>atomikos</artifactId>
<name>atomikos</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>com.atomikos</groupId>
<artifactId>transactions-jdbc</artifactId>
<version>${atomikos-version}</version>
</dependency>
<dependency>
<groupId>com.atomikos</groupId>
<artifactId>transactions-jms</artifactId>
<version>${atomikos-version}</version>
</dependency>
<dependency>
<groupId>com.atomikos</groupId>
<artifactId>transactions-hibernate4</artifactId>
<version>${atomikos-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring-version}</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
<version>1.11.23.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.version}</version>
<scope>provided</scope>
<exclusions>
<exclusion>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.activemq</groupId>
<artifactId>activemq-core</artifactId>
<version>5.7.0</version>
</dependency>
<dependency>
<groupId>org.apache.derby</groupId>
<artifactId>derby</artifactId>
<version>10.8.1.2</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- the JTA API -->
<dependency>
<groupId>javax.transaction</groupId>
<artifactId>jta</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>org.apache.geronimo.specs</groupId>
<artifactId>geronimo-jta_1.0.1B_spec</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>2.0.1.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate.validator</groupId>
<artifactId>hibernate-validator</artifactId>
<version>6.1.2.Final</version>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.el</artifactId>
<version>2.2.4</version>
</dependency>
</dependencies>
<properties>
<atomikos-version>5.0.6</atomikos-version>
<spring-version>5.1.6.RELEASE</spring-version>
<hibernate.version>5.4.3.Final</hibernate.version>
</properties>
</project>

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atomikos/src/main/java/com/baeldung/atomikos/direct/Application.java Normal file
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package com.baeldung.atomikos.direct;
import java.sql.Connection;
import java.sql.Statement;
import java.util.UUID;
import javax.sql.DataSource;
import com.atomikos.icatch.jta.UserTransactionImp;
public class Application {
private DataSource inventoryDataSource;
private DataSource orderDataSource;
public Application(DataSource inventoryDataSource, DataSource orderDataSource) {
this.inventoryDataSource = inventoryDataSource;
this.orderDataSource = orderDataSource;
}
public void placeOrder(String productId, int amount) throws Exception {
UserTransactionImp utx = new UserTransactionImp();
String orderId = UUID.randomUUID()
.toString();
boolean rollback = false;
try {
utx.begin();
Connection inventoryConnection = inventoryDataSource.getConnection();
Connection orderConnection = orderDataSource.getConnection();
Statement s1 = inventoryConnection.createStatement();
String q1 = "update Inventory set balance = balance - " + amount + " where productId ='" + productId + "'";
s1.executeUpdate(q1);
s1.close();
Statement s2 = orderConnection.createStatement();
String q2 = "insert into Orders values ( '" + orderId + "', '" + productId + "', " + amount + " )";
s2.executeUpdate(q2);
s2.close();
inventoryConnection.close();
orderConnection.close();
} catch (Exception e) {
System.out.println(e.getMessage());
rollback = true;
} finally {
if (!rollback)
utx.commit();
else
utx.rollback();
}
}
}

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atomikos/src/main/java/com/baeldung/atomikos/spring/Application.java Normal file
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package com.baeldung.atomikos.spring;
import java.sql.Connection;
import java.sql.Statement;
import java.util.UUID;
import javax.sql.DataSource;
import org.springframework.transaction.annotation.Transactional;
public class Application {
private DataSource inventoryDataSource;
private DataSource orderDataSource;
public Application(DataSource inventoryDataSource, DataSource orderDataSource) {
this.inventoryDataSource = inventoryDataSource;
this.orderDataSource = orderDataSource;
}
@Transactional(rollbackFor = Exception.class)
public void placeOrder(String productId, int amount) throws Exception {
String orderId = UUID.randomUUID()
.toString();
Connection inventoryConnection = inventoryDataSource.getConnection();
Connection orderConnection = orderDataSource.getConnection();
Statement s1 = inventoryConnection.createStatement();
String q1 = "update Inventory set balance = balance - " + amount + " where productId ='" + productId + "'";
s1.executeUpdate(q1);
s1.close();
Statement s2 = orderConnection.createStatement();
String q2 = "insert into Orders values ( '" + orderId + "', '" + productId + "', " + amount + " )";
s2.executeUpdate(q2);
s2.close();
inventoryConnection.close();
orderConnection.close();
}
}

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atomikos/src/main/java/com/baeldung/atomikos/spring/config/Config.java Normal file
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package com.baeldung.atomikos.spring.config;
import java.util.Properties;
import javax.transaction.SystemException;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.jta.JtaTransactionManager;
import com.atomikos.icatch.jta.UserTransactionManager;
import com.atomikos.jdbc.AtomikosDataSourceBean;
import com.baeldung.atomikos.spring.Application;
@Configuration
@EnableTransactionManagement
public class Config {
@Bean(initMethod = "init", destroyMethod = "close")
public AtomikosDataSourceBean inventoryDataSource() {
AtomikosDataSourceBean dataSource = new AtomikosDataSourceBean();
dataSource.setLocalTransactionMode(true);
dataSource.setUniqueResourceName("db1");
dataSource.setXaDataSourceClassName("org.apache.derby.jdbc.EmbeddedXADataSource");
Properties xaProperties = new Properties();
xaProperties.put("databaseName", "db1");
xaProperties.put("createDatabase", "create");
dataSource.setXaProperties(xaProperties);
dataSource.setPoolSize(10);
return dataSource;
}
@Bean(initMethod = "init", destroyMethod = "close")
public AtomikosDataSourceBean orderDataSource() {
AtomikosDataSourceBean dataSource = new AtomikosDataSourceBean();
dataSource.setLocalTransactionMode(true);
dataSource.setUniqueResourceName("db2");
dataSource.setXaDataSourceClassName("org.apache.derby.jdbc.EmbeddedXADataSource");
Properties xaProperties = new Properties();
xaProperties.put("databaseName", "db2");
xaProperties.put("createDatabase", "create");
dataSource.setXaProperties(xaProperties);
dataSource.setPoolSize(10);
return dataSource;
}
@Bean(initMethod = "init", destroyMethod = "close")
public UserTransactionManager userTransactionManager() throws SystemException {
UserTransactionManager userTransactionManager = new UserTransactionManager();
userTransactionManager.setTransactionTimeout(300);
userTransactionManager.setForceShutdown(true);
return userTransactionManager;
}
@Bean
public JtaTransactionManager jtaTransactionManager() throws SystemException {
JtaTransactionManager jtaTransactionManager = new JtaTransactionManager();
jtaTransactionManager.setTransactionManager(userTransactionManager());
jtaTransactionManager.setUserTransaction(userTransactionManager());
return jtaTransactionManager;
}
@Bean
public Application application() {
return new Application(inventoryDataSource(), orderDataSource());
}
}

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atomikos/src/main/java/com/baeldung/atomikos/spring/jpa/Application.java Normal file
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package com.baeldung.atomikos.spring.jpa;
import java.util.Set;
import java.util.UUID;
import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import com.baeldung.atomikos.spring.jpa.inventory.Inventory;
import com.baeldung.atomikos.spring.jpa.inventory.InventoryRepository;
import com.baeldung.atomikos.spring.jpa.order.Order;
import com.baeldung.atomikos.spring.jpa.order.OrderRepository;
public class Application {
@Autowired
private InventoryRepository inventoryRepository;
@Autowired
private OrderRepository orderRepository;
@Transactional(rollbackFor = Exception.class)
public void placeOrder(String productId, int amount) throws Exception {
String orderId = UUID.randomUUID()
.toString();
Inventory inventory = inventoryRepository.findOne(productId);
inventory.setBalance(inventory.getBalance() - amount);
inventoryRepository.save(inventory);
Order order = new Order();
order.setOrderId(orderId);
order.setProductId(productId);
order.setAmount(new Long(amount));
ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
Validator validator = factory.getValidator();
Set<ConstraintViolation<Order>> violations = validator.validate(order);
if (violations.size() > 0)
throw new Exception("Invalid instance of an order.");
orderRepository.save(order);
}
}

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atomikos/src/main/java/com/baeldung/atomikos/spring/jpa/config/Config.java Normal file
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package com.baeldung.atomikos.spring.jpa.config;
import javax.transaction.SystemException;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.jta.JtaTransactionManager;
import com.atomikos.icatch.jta.UserTransactionManager;
import com.baeldung.atomikos.spring.jpa.Application;
@Configuration
@EnableTransactionManagement
public class Config {
@Bean(initMethod = "init", destroyMethod = "close")
public UserTransactionManager userTransactionManager() throws SystemException {
UserTransactionManager userTransactionManager = new UserTransactionManager();
userTransactionManager.setTransactionTimeout(300);
userTransactionManager.setForceShutdown(true);
return userTransactionManager;
}
@Bean
public JtaTransactionManager transactionManager() throws SystemException {
JtaTransactionManager jtaTransactionManager = new JtaTransactionManager();
jtaTransactionManager.setTransactionManager(userTransactionManager());
jtaTransactionManager.setUserTransaction(userTransactionManager());
return jtaTransactionManager;
}
@Bean
public Application application() {
return new Application();
}
}

31
atomikos/src/main/java/com/baeldung/atomikos/spring/jpa/inventory/Inventory.java Normal file
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package com.baeldung.atomikos.spring.jpa.inventory;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "INVENTORY")
public class Inventory {
@Id
private String productId;
private Long balance;
public String getProductId() {
return productId;
}
public void setProductId(String productId) {
this.productId = productId;
}
public Long getBalance() {
return balance;
}
public void setBalance(Long balance) {
this.balance = balance;
}
}

53
atomikos/src/main/java/com/baeldung/atomikos/spring/jpa/inventory/InventoryConfig.java Normal file
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package com.baeldung.atomikos.spring.jpa.inventory;
import java.util.Properties;
import javax.persistence.EntityManagerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import com.atomikos.jdbc.AtomikosDataSourceBean;
@Configuration
@EnableJpaRepositories(basePackages = "com.baeldung.atomikos.spring.jpa.inventory", entityManagerFactoryRef = "inventoryEntityManager", transactionManagerRef = "transactionManager")
public class InventoryConfig {
@Bean(initMethod = "init", destroyMethod = "close")
public AtomikosDataSourceBean inventoryDataSource() {
AtomikosDataSourceBean dataSource = new AtomikosDataSourceBean();
dataSource.setLocalTransactionMode(true);
dataSource.setUniqueResourceName("db1");
dataSource.setXaDataSourceClassName("org.apache.derby.jdbc.EmbeddedXADataSource");
Properties xaProperties = new Properties();
xaProperties.put("databaseName", "db1");
xaProperties.put("createDatabase", "create");
dataSource.setXaProperties(xaProperties);
dataSource.setPoolSize(10);
return dataSource;
}
@Bean
public EntityManagerFactory inventoryEntityManager() {
HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
factory.setJpaVendorAdapter(vendorAdapter);
factory.setPackagesToScan("com.baeldung.atomikos.spring.jpa.inventory");
factory.setDataSource(inventoryDataSource());
Properties jpaProperties = new Properties();
//jpaProperties.put("hibernate.show_sql", "true");
//jpaProperties.put("hibernate.format_sql", "true");
jpaProperties.put("hibernate.dialect", "org.hibernate.dialect.DerbyDialect");
jpaProperties.put("hibernate.current_session_context_class", "jta");
jpaProperties.put("javax.persistence.transactionType", "jta");
jpaProperties.put("hibernate.transaction.manager_lookup_class", "com.atomikos.icatch.jta.hibernate3.TransactionManagerLookup");
jpaProperties.put("hibernate.hbm2ddl.auto", "create-drop");
factory.setJpaProperties(jpaProperties);
factory.afterPropertiesSet();
return factory.getObject();
}
}

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atomikos/src/main/java/com/baeldung/atomikos/spring/jpa/inventory/InventoryRepository.java Normal file
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package com.baeldung.atomikos.spring.jpa.inventory;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface InventoryRepository extends JpaRepository<Inventory, String> {
}

42
atomikos/src/main/java/com/baeldung/atomikos/spring/jpa/order/Order.java Normal file
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package com.baeldung.atomikos.spring.jpa.order;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.validation.constraints.Max;
@Entity
@Table(name = "ORDERS")
public class Order {
@Id
private String orderId;
private String productId;
@Max(5)
private Long amount;
public String getOrderId() {
return orderId;
}
public void setOrderId(String orderId) {
this.orderId = orderId;
}
public String getProductId() {
return productId;
}
public void setProductId(String productId) {
this.productId = productId;
}
public Long getAmount() {
return amount;
}
public void setAmount(Long amount) {
this.amount = amount;
}
}

53
atomikos/src/main/java/com/baeldung/atomikos/spring/jpa/order/OrderConfig.java Normal file
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package com.baeldung.atomikos.spring.jpa.order;
import java.util.Properties;
import javax.persistence.EntityManagerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import com.atomikos.jdbc.AtomikosDataSourceBean;
@Configuration
@EnableJpaRepositories(basePackages = "com.baeldung.atomikos.spring.jpa.order", entityManagerFactoryRef = "orderEntityManager", transactionManagerRef = "transactionManager")
public class OrderConfig {
@Bean(initMethod = "init", destroyMethod = "close")
public AtomikosDataSourceBean orderDataSource() {
AtomikosDataSourceBean dataSource = new AtomikosDataSourceBean();
dataSource.setLocalTransactionMode(true);
dataSource.setUniqueResourceName("db2");
dataSource.setXaDataSourceClassName("org.apache.derby.jdbc.EmbeddedXADataSource");
Properties xaProperties = new Properties();
xaProperties.put("databaseName", "db2");
xaProperties.put("createDatabase", "create");
dataSource.setXaProperties(xaProperties);
dataSource.setPoolSize(10);
return dataSource;
}
@Bean
public EntityManagerFactory orderEntityManager() {
HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
factory.setJpaVendorAdapter(vendorAdapter);
factory.setPackagesToScan("com.baeldung.atomikos.spring.jpa.order");
factory.setDataSource(orderDataSource());
Properties jpaProperties = new Properties();
//jpaProperties.put("hibernate.show_sql", "true");
//jpaProperties.put("hibernate.format_sql", "true");
jpaProperties.put("hibernate.dialect", "org.hibernate.dialect.DerbyDialect");
jpaProperties.put("hibernate.current_session_context_class", "jta");
jpaProperties.put("javax.persistence.transactionType", "jta");
jpaProperties.put("hibernate.transaction.manager_lookup_class", "com.atomikos.icatch.jta.hibernate3.TransactionManagerLookup");
jpaProperties.put("hibernate.hbm2ddl.auto", "create-drop");
factory.setJpaProperties(jpaProperties);
factory.afterPropertiesSet();
return factory.getObject();
}
}

9
atomikos/src/main/java/com/baeldung/atomikos/spring/jpa/order/OrderRepository.java Normal file
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package com.baeldung.atomikos.spring.jpa.order;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;
@Repository
public interface OrderRepository extends JpaRepository<Order, String> {
}

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atomikos/src/main/resources/logback.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

10
atomikos/src/main/resources/schema.sql Normal file
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CREATE TABLE INVENTORY (
productId VARCHAR PRIMARY KEY,
balance INT
);
CREATE TABLE ORDERS (
orderId VARCHAR PRIMARY KEY,
productId VARCHAR,
amount INT NOT NULL CHECK (amount <= 5)
);

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atomikos/src/main/resources/transactions.properties Normal file
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com.atomikos.icatch.file=logs

118
atomikos/src/test/java/com/baeldung/atomikos/direct/ApplicationUnitTest.java Normal file
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package com.baeldung.atomikos.direct;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
import java.util.UUID;
import javax.sql.DataSource;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import com.atomikos.icatch.jta.UserTransactionImp;
import com.atomikos.jdbc.AtomikosDataSourceBean;
public class ApplicationUnitTest {
private static DataSource inventoryDataSource;
private static DataSource orderDataSource;
private static String productId = UUID.randomUUID()
.toString();
@Test
@Ignore
public void testPlaceOrderSuccess() throws Exception {
int amount = 1;
long initialBalance = getBalance(inventoryDataSource, productId);
Application application = new Application(inventoryDataSource, orderDataSource);
application.placeOrder(productId, amount);
long finalBalance = getBalance(inventoryDataSource, productId);
assertEquals(initialBalance - amount, finalBalance);
}
@Test
@Ignore
public void testPlaceOrderFailure() throws Exception {
int amount = 10;
long initialBalance = getBalance(inventoryDataSource, productId);
Application application = new Application(inventoryDataSource, orderDataSource);
application.placeOrder(productId, amount);
long finalBalance = getBalance(inventoryDataSource, productId);
assertEquals(initialBalance, finalBalance);
}
@BeforeClass
public static void setUp() throws SQLException {
inventoryDataSource = getDataSource("db1");
orderDataSource = getDataSource("db2");
Connection inventoryConnection = inventoryDataSource.getConnection();
Connection orderConnection = orderDataSource.getConnection();
String createInventoryTable = "create table Inventory ( " + " productId VARCHAR ( 100 ) PRIMARY KEY, balance INT )";
String createInventoryRow = "insert into Inventory values ( '" + productId + "', 10000 )";
Statement s1 = inventoryConnection.createStatement();
try {
s1.executeUpdate(createInventoryTable);
} catch (Exception e) {
System.out.println("Inventory table exists");
}
try {
s1.executeUpdate(createInventoryRow);
} catch (Exception e) {
System.out.println("Product row exists");
}
s1.close();
String createOrderTable = "create table Orders ( orderId VARCHAR ( 100 ) PRIMARY KEY, productId VARCHAR ( 100 ), amount INT NOT NULL CHECK (amount <= 5) )";
Statement s2 = orderConnection.createStatement();
try {
s2.executeUpdate(createOrderTable);
} catch (Exception e) {
System.out.println("Orders table exists");
}
s2.close();
inventoryConnection.close();
orderConnection.close();
}
private static DataSource getDataSource(String db) {
DataSource ds;
AtomikosDataSourceBean ads = new AtomikosDataSourceBean();
ads.setXaDataSourceClassName("org.apache.derby.jdbc.EmbeddedXADataSource");
Properties properties = new Properties();
properties.put("databaseName", db);
properties.put("createDatabase", "create");
ads.setXaProperties(properties);
ads.setUniqueResourceName(db);
ads.setPoolSize(10); // optional
ads.setBorrowConnectionTimeout(10); // optional
ds = ads;
return ds;
}
private static long getBalance(DataSource inventoryDataSource, String productId) throws Exception {
UserTransactionImp utx = new UserTransactionImp();
utx.begin();
Connection inventoryConnection = inventoryDataSource.getConnection();
Statement s1 = inventoryConnection.createStatement();
String q1 = "select balance from Inventory where productId='" + productId + "'";
ResultSet rs1 = s1.executeQuery(q1);
if (rs1 == null || !rs1.next())
throw new Exception("Product not found: " + productId);
long balance = rs1.getLong(1);
inventoryConnection.close();
utx.commit();
return balance;
}
}

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atomikos/src/test/java/com/baeldung/atomikos/spring/ApplicationUnitTest.java Normal file
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package com.baeldung.atomikos.spring;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.UUID;
import javax.sql.DataSource;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.baeldung.atomikos.spring.config.Config;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { Config.class })
public class ApplicationUnitTest {
private static String productId = UUID.randomUUID()
.toString();
@Autowired
Application application;
@Autowired
DataSource inventoryDataSource;
@Autowired
DataSource orderDataSource;
@Test
@Ignore
public void testPlaceOrderSuccess() throws Exception {
int amount = 1;
long initialBalance = getBalance(inventoryDataSource, productId);
application.placeOrder(productId, amount);
long finalBalance = getBalance(inventoryDataSource, productId);
assertEquals(initialBalance - amount, finalBalance);
}
@Test
@Ignore
public void testPlaceOrderFailure() throws Exception {
int amount = 10;
long initialBalance = getBalance(inventoryDataSource, productId);
try {
application.placeOrder(productId, amount);
} catch (Exception e) {
System.out.println(e.getMessage());
}
long finalBalance = getBalance(inventoryDataSource, productId);
assertEquals(initialBalance, finalBalance);
}
@Before
public void setUp() throws SQLException {
Connection inventoryConnection = inventoryDataSource.getConnection();
Connection orderConnection = orderDataSource.getConnection();
String createInventoryTable = "create table Inventory ( " + " productId VARCHAR ( 100 ) PRIMARY KEY, balance INT )";
String createInventoryRow = "insert into Inventory values ( '" + productId + "', 10000 )";
Statement s1 = inventoryConnection.createStatement();
try {
s1.executeUpdate(createInventoryTable);
} catch (Exception e) {
System.out.println("Inventory table exists");
}
try {
s1.executeUpdate(createInventoryRow);
} catch (Exception e) {
System.out.println("Product row exists");
}
s1.close();
String createOrderTable = "create table Orders ( orderId VARCHAR ( 100 ) PRIMARY KEY, productId VARCHAR ( 100 ), amount INT NOT NULL CHECK (amount <= 5) )";
Statement s2 = orderConnection.createStatement();
try {
s2.executeUpdate(createOrderTable);
} catch (Exception e) {
System.out.println("Orders table exists");
}
s2.close();
inventoryConnection.close();
orderConnection.close();
}
private static long getBalance(DataSource inventoryDataSource, String productId) throws Exception {
Connection inventoryConnection = inventoryDataSource.getConnection();
Statement s1 = inventoryConnection.createStatement();
String q1 = "select balance from Inventory where productId='" + productId + "'";
ResultSet rs1 = s1.executeQuery(q1);
if (rs1 == null || !rs1.next())
throw new Exception("Product not found: " + productId);
long balance = rs1.getLong(1);
inventoryConnection.close();
return balance;
}
}

80
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package com.baeldung.atomikos.spring.jpa;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.sql.SQLException;
import java.util.UUID;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.baeldung.atomikos.spring.jpa.config.Config;
import com.baeldung.atomikos.spring.jpa.inventory.Inventory;
import com.baeldung.atomikos.spring.jpa.inventory.InventoryConfig;
import com.baeldung.atomikos.spring.jpa.inventory.InventoryRepository;
import com.baeldung.atomikos.spring.jpa.order.OrderConfig;
import com.baeldung.atomikos.spring.jpa.order.OrderRepository;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { Config.class, InventoryConfig.class, OrderConfig.class })
public class ApplicationUnitTest {
private static String productId = UUID.randomUUID()
.toString();
@Autowired
Application application;
@Autowired
InventoryRepository inventoryRepository;
@Autowired
OrderRepository orderRepository;
@Test
@Ignore
public void testPlaceOrderSuccess() throws Exception {
int amount = 1;
long initialBalance = getBalance(inventoryRepository, productId);
application.placeOrder(productId, amount);
long finalBalance = getBalance(inventoryRepository, productId);
assertEquals(initialBalance - amount, finalBalance);
}
@Test
@Ignore
public void testPlaceOrderFailure() throws Exception {
int amount = 10;
long initialBalance = getBalance(inventoryRepository, productId);
try {
application.placeOrder(productId, amount);
} catch (Exception e) {
System.out.println(e.getMessage());
}
long finalBalance = getBalance(inventoryRepository, productId);
assertEquals(initialBalance, finalBalance);
}
@Before
public void setUp() throws SQLException {
Inventory inventory = new Inventory();
inventory.setProductId(productId);
inventory.setBalance(new Long(10000));
inventoryRepository.save(inventory);
}
private static long getBalance(InventoryRepository inventoryRepository, String productId) throws Exception {
return inventoryRepository.findOne(productId)
.getBalance();
}
}

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@ -0,0 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

1
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com.atomikos.icatch.file=logs

146
cas/cas-server/README.md
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@ -1,146 +0,0 @@
CAS Overlay Template [![Build Status](https://travis-ci.org/apereo/cas-overlay-template.svg?branch=master)](https://travis-ci.org/apereo/cas-overlay-template)
=======================
Generic CAS WAR overlay to exercise the latest versions of CAS. This overlay could be freely used as a starting template for local CAS war overlays.
# Versions
- CAS `6.1.x`
- JDK `11`
# Overview
To build the project, use:
```bash
# Use --refresh-dependencies to force-update SNAPSHOT versions
./gradlew[.bat] clean build
```
To see what commands are available to the build script, run:
```bash
./gradlew[.bat] tasks
```
To launch into the CAS command-line shell:
```bash
./gradlew[.bat] downloadShell runShell
```
To fetch and overlay a CAS resource or view, use:
```bash
./gradlew[.bat] getResource -PresourceName=[resource-name]
```
To list all available CAS views and templates:
```bash
./gradlew[.bat] listTemplateViews
```
To unzip and explode the CAS web application file and the internal resources jar:
```bash
./gradlew[.bat] explodeWar
```
# Configuration
- The `etc` directory contains the configuration files and directories that need to be copied to `/etc/cas/config`.
```bash
./gradlew[.bat] copyCasConfiguration
```
- The specifics of the build are controlled using the `gradle.properties` file.
## Adding Modules
CAS modules may be specified under the `dependencies` block of the [Gradle build script](build.gradle):
```gradle
dependencies {
compile "org.apereo.cas:cas-server-some-module:${project.casVersion}"
...
}
```
To collect the list of all project modules and dependencies:
```bash
./gradlew[.bat] allDependencies
```
### Clear Gradle Cache
If you need to, on Linux/Unix systems, you can delete all the existing artifacts (artifacts and metadata) Gradle has downloaded using:
```bash
# Only do this when absolutely necessary
rm -rf $HOME/.gradle/caches/
```
Same strategy applies to Windows too, provided you switch `$HOME` to its equivalent in the above command.
# Deployment
- Create a keystore file `thekeystore` under `/etc/cas`. Use the password `changeit` for both the keystore and the key/certificate entries. This can either be done using the JDK's `keytool` utility or via the following command:
```bash
./gradlew[.bat] createKeystore
```
- Ensure the keystore is loaded up with keys and certificates of the server.
On a successful deployment via the following methods, CAS will be available at:
* `https://cas.server.name:8443/cas`
## Executable WAR
Run the CAS web application as an executable WAR:
```bash
./gradlew[.bat] run
```
Debug the CAS web application as an executable WAR:
```bash
./gradlew[.bat] debug
```
Run the CAS web application as a *standalone* executable WAR:
```bash
./gradlew[.bat] clean executable
```
## External
Deploy the binary web application file `cas.war` after a successful build to a servlet container of choice.
## Docker
The following strategies outline how to build and deploy CAS Docker images.
### Jib
The overlay embraces the [Jib Gradle Plugin](https://github.com/GoogleContainerTools/jib) to provide easy-to-use out-of-the-box tooling for building CAS docker images. Jib is an open-source Java containerizer from Google that lets Java developers build containers using the tools they know. It is a container image builder that handles all the steps of packaging your application into a container image. It does not require you to write a Dockerfile or have Docker installed, and it is directly integrated into the overlay.
```bash
./gradlew build jibDockerBuild
```
### Dockerfile
You can also use the native Docker tooling and the provided `Dockerfile` to build and run CAS.
```bash
chmod +x *.sh
./docker-build.sh
./docker-run.sh
```

1
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@ -7,3 +7,4 @@ This module contains articles about Java 14.
- [Guide to the @Serial Annotation in Java 14](https://www.baeldung.com/java-14-serial-annotation)
- [Java Text Blocks](https://www.baeldung.com/java-text-blocks)
- [Pattern Matching for instanceof in Java 14](https://www.baeldung.com/java-pattern-matching-instanceof)
- [Helpful NullPointerExceptions in Java 14](https://www.baeldung.com/java-14-nullpointerexception)

1
core-java-modules/core-java-8-2/README.md
View File

@ -4,7 +4,6 @@ This module contains articles about Java 8 core features
### Relevant Articles:
- [How to Delay Code Execution in Java](https://www.baeldung.com/java-delay-code-execution)
- [Run a Java Application from the Command Line](https://www.baeldung.com/java-run-jar-with-arguments)
- [Java 8 Stream skip() vs limit()](https://www.baeldung.com/java-stream-skip-vs-limit)
- [Guide to Java BiFunction Interface](https://www.baeldung.com/java-bifunction-interface)

1
core-java-modules/core-java-collections-2/README.md
View File

@ -12,4 +12,3 @@
- [Sorting in Java](https://www.baeldung.com/java-sorting)
- [Getting the Size of an Iterable in Java](https://www.baeldung.com/java-iterable-size)
- [Java Null-Safe Streams from Collections](https://www.baeldung.com/java-null-safe-streams-from-collections)
- [Operating on and Removing an Item from Stream](https://www.baeldung.com/java-use-remove-item-stream)

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

@ -4,7 +4,6 @@ This module contains articles about Map data structures in Java.
### Relevant Articles:
- [Guide to the Guava BiMap](https://www.baeldung.com/guava-bimap)
- [A Guide to Java HashMap](https://www.baeldung.com/java-hashmap)
- [A Guide to LinkedHashMap in Java](https://www.baeldung.com/java-linked-hashmap)
- [A Guide to TreeMap in Java](https://www.baeldung.com/java-treemap)
- [How to Store Duplicate Keys in a Map in Java?](https://www.baeldung.com/java-map-duplicate-keys)

3
core-java-modules/core-java-collections/README.md
View File

@ -3,7 +3,6 @@
This module contains articles about Java collections
### Relevant Articles:
- [Collect a Java Stream to an Immutable Collection](https://www.baeldung.com/java-stream-immutable-collection)
- [Introduction to the Java ArrayDeque](https://www.baeldung.com/java-array-deque)
- [An Introduction to Java.util.Hashtable Class](https://www.baeldung.com/java-hash-table)
- [Thread Safe LIFO Data Structure Implementations](https://www.baeldung.com/java-lifo-thread-safe)
@ -13,4 +12,4 @@ This module contains articles about Java collections
- [Defining a Char Stack in Java](https://www.baeldung.com/java-char-stack)
- [Guide to the Java Queue Interface](https://www.baeldung.com/java-queue)
- [An Introduction to Synchronized Java Collections](https://www.baeldung.com/java-synchronized-collections)
- [[More -->]](/core-java-modules/core-java-collections-2)
- [[More -->]](/core-java-modules/core-java-collections-2)

1
core-java-modules/core-java-concurrency-advanced-3/README.md
View File

@ -10,4 +10,5 @@ This module contains articles about advanced topics about multithreading with co
- [Guide to RejectedExecutionHandler](https://www.baeldung.com/java-rejectedexecutionhandler)
- [Guide to Work Stealing in Java](https://www.baeldung.com/java-work-stealing)
- [Asynchronous Programming in Java](https://www.baeldung.com/java-asynchronous-programming)
- [Java Thread Deadlock and Livelock](https://www.baeldung.com/java-deadlock-livelock)
- [[<-- previous]](/core-java-modules/core-java-concurrency-advanced-2)

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

@ -8,4 +8,5 @@ This module contains articles about basic Java concurrency
- [Difference Between Wait and Sleep in Java](https://www.baeldung.com/java-wait-and-sleep)
- [Guide to the Synchronized Keyword in Java](https://www.baeldung.com/java-synchronized)
- [Life Cycle of a Thread in Java](https://www.baeldung.com/java-thread-lifecycle)
- [[<-- Prev]](/core-java-modules/core-java-concurrency-basic)
- [Guide to AtomicMarkableReference](https://www.baeldung.com/java-atomicmarkablereference)
- [[<-- Prev]](/core-java-modules/core-java-concurrency-basic)

3
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@ -0,0 +1,3 @@
### Relevant Articles:
- [Introduction to Lock Striping](https://www.baeldung.com/java-lock-stripping)

1
core-java-modules/core-java-date-operations-2/README.md
View File

@ -7,4 +7,5 @@ This module contains articles about date operations in Java.
- [Checking If Two Java Dates Are on the Same Day](https://www.baeldung.com/java-check-two-dates-on-same-day)
- [Converting Java Date to OffsetDateTime](https://www.baeldung.com/java-convert-date-to-offsetdatetime)
- [How to Set the JVM Time Zone](https://www.baeldung.com/java-jvm-time-zone)
- [How to determine day of week by passing specific date in Java?](https://www.baeldung.com/java-get-day-of-week)
- [[<-- Prev]](/core-java-modules/core-java-date-operations-1)

1
core-java-modules/core-java-io-2/README.md
View File

@ -12,4 +12,5 @@ This module contains articles about core Java input and output (IO)
- [Java – Append Data to a File](https://www.baeldung.com/java-append-to-file)
- [How to Copy a File with Java](https://www.baeldung.com/java-copy-file)
- [Create a Directory in Java](https://www.baeldung.com/java-create-directory)
- [Java IO vs NIO](https://www.baeldung.com/java-io-vs-nio)
- [[<-- Prev]](/core-java-modules/core-java-io)

1
core-java-modules/core-java-lang-2/README.md
View File

@ -10,4 +10,5 @@ This module contains articles about core features in the Java language
- [How to Return Multiple Values From a Java Method](https://www.baeldung.com/java-method-return-multiple-values)
- [Guide to the Java finally Keyword](https://www.baeldung.com/java-finally-keyword)
- [The Java Headless Mode](https://www.baeldung.com/java-headless-mode)
- [Comparing Long Values in Java](https://www.baeldung.com/java-compare-long-values)
- [[<-- Prev]](/core-java-modules/core-java-lang)

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

@ -9,3 +9,4 @@
- [Pre-compile Regex Patterns Into Pattern Objects](https://www.baeldung.com/java-regex-pre-compile)
- [Difference Between Java Matcher find() and matches()](https://www.baeldung.com/java-matcher-find-vs-matches)
- [How to Use Regular Expressions to Replace Tokens in Strings](https://www.baeldung.com/java-regex-token-replacement)
- [Regular Expressions \s and \s+ in Java](https://www.baeldung.com/java-regex-s-splus)

1
core-java-modules/core-java-security-2/README.md
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@ -8,4 +8,5 @@ This module contains articles about core Java Security
- [MD5 Hashing in Java](http://www.baeldung.com/java-md5)
- [Hashing a Password in Java](https://www.baeldung.com/java-password-hashing)
- [SHA-256 and SHA3-256 Hashing in Java](https://www.baeldung.com/sha-256-hashing-java)
- [Checksums in Java](https://www.baeldung.com/java-checksums)
- More articles: [[<-- prev]](/core-java-modules/core-java-security)

1
core-java-modules/core-java-streams-3/README.md
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@ -9,4 +9,5 @@ This module contains articles about the Stream API in Java.
- [Guide to Java 8’s Collectors](https://www.baeldung.com/java-8-collectors)
- [Primitive Type Streams in Java 8](https://www.baeldung.com/java-8-primitive-streams)
- [Debugging Java 8 Streams with IntelliJ](https://www.baeldung.com/intellij-debugging-java-streams)
- [Add BigDecimals using the Stream API](https://www.baeldung.com/java-stream-add-bigdecimals)
- More articles: [[<-- prev>]](/../core-java-streams-2)

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

@ -13,4 +13,5 @@ This module contains articles about string operations.
- [Adding a Newline Character to a String in Java](https://www.baeldung.com/java-string-newline)
- [Check If a String Contains a Substring](https://www.baeldung.com/java-string-contains-substring)
- [Java Base64 Encoding and Decoding](https://www.baeldung.com/java-base64-encode-and-decode)
- [Java Convert PDF to Base64](https://www.baeldung.com/java-convert-pdf-to-base64)
- More articles: [[next -->]](../core-java-string-operations-2)

1
core-java-modules/core-java-strings/README.md
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@ -12,3 +12,4 @@ This module contains articles about strings in Java.
- [Java String Interview Questions and Answers](https://www.baeldung.com/java-string-interview-questions)
- [Java Multi-line String](https://www.baeldung.com/java-multiline-string)
- [Guide to Java String Pool](https://www.baeldung.com/java-string-pool)
- [Fixing “constant string too long” Build Error](https://www.baeldung.com/java-constant-string-too-long-error)

1
core-kotlin-modules/core-kotlin-collections/README.md
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@ -8,3 +8,4 @@ This module contains articles about core Kotlin collections.
- [Overview of Kotlin Collections API](https://www.baeldung.com/kotlin-collections-api)
- [Converting a List to Map in Kotlin](https://www.baeldung.com/kotlin-list-to-map)
- [Filtering Kotlin Collections](https://www.baeldung.com/kotlin-filter-collection)
- [Collection Transformations in Kotlin](https://www.baeldung.com/kotlin-collection-transformations)

2
core-kotlin-modules/core-kotlin/README.md
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@ -3,7 +3,7 @@
This module contains articles about Kotlin core features.
### Relevant articles:
- [Introduction to the Kotlin Language](https://www.baeldung.com/kotlin-intro)
- [Introduction to the Kotlin Language](https://www.baeldung.com/kotlin/tutorial)
- [Kotlin Java Interoperability](https://www.baeldung.com/kotlin-java-interoperability)
- [Get a Random Number in Kotlin](https://www.baeldung.com/kotlin-random-number)
- [Create a Java and Kotlin Project with Maven](https://www.baeldung.com/kotlin-maven-java-project)

3
core-scala/README.md Normal file
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@ -0,0 +1,3 @@
### Relevant Articles:
- [Pattern Matching in Scala](https://www.baeldung.com/scala/pattern-matching)

3
guava-collections-map/README.md
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@ -9,4 +9,5 @@ This module contains articles about map collections in Guava
- [Guide to Guava Multimap](https://www.baeldung.com/guava-multimap)
- [Guide to Guava RangeMap](https://www.baeldung.com/guava-rangemap)
- [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap)
- [Guide to Guava ClassToInstanceMap](https://www.baeldung.com/guava-class-to-instance-map)
- [Guide to Guava ClassToInstanceMap](https://www.baeldung.com/guava-class-to-instance-map)
- [Using Guava’s MapMaker](https://www.baeldung.com/guava-mapmaker)

2
guava/README.md
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@ -12,4 +12,4 @@ This module contains articles a Google Guava
- [Guide to Mathematical Utilities in Guava](https://www.baeldung.com/guava-math)
- [Bloom Filter in Java using Guava](https://www.baeldung.com/guava-bloom-filter)
- [Quick Guide to the Guava RateLimiter](https://www.baeldung.com/guava-rate-limiter)
- [Introduction to Guava Throwables](https://www.baeldung.com/guava-throwables)

8
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@ -0,0 +1,8 @@
## Java Collections Cookbooks and Examples
This module contains articles about Map data structures in Java.
### Relevant Articles:
- More articles: [[<-- prev>]](/../java-collections-maps)
- More articles: [[<-- prev>]](/../java-collections-maps-2)

43
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@ -0,0 +1,43 @@
<?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">
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-java</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>java-collections-maps-3</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>java-collections-maps-3</name>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>${commons-collections4.version}</version>
</dependency>
</dependencies>
<properties>
<commons-collections4.version>4.1</commons-collections4.version>
<assertj.version>3.6.1</assertj.version>
<spring.version>5.2.5.RELEASE</spring.version>
</properties>
</project>

94
java-collections-maps-3/src/test/java/com/baeldung/map/caseinsensitivekeys/CaseInsensitiveMapUnitTest.java Normal file
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@ -0,0 +1,94 @@
package com.baeldung.map.caseinsensitivekeys;
import org.apache.commons.collections4.map.CaseInsensitiveMap;
import org.junit.Test;
import org.springframework.util.LinkedCaseInsensitiveMap;
import java.util.Map;
import java.util.TreeMap;
import static org.junit.Assert.*;
public class CaseInsensitiveMapUnitTest {
@Test
public void givenCaseInsensitiveTreeMap_whenTwoEntriesAdded_thenSizeIsOne(){
Map<String, Integer> treeMap = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
treeMap.put("abc", 1);
treeMap.put("ABC", 2);
assertEquals(1, treeMap.size());
}
@Test
public void givenCommonsCaseInsensitiveMap_whenTwoEntriesAdded_thenSizeIsOne(){
Map<String, Integer> commonsHashMap = new CaseInsensitiveMap<>();
commonsHashMap.put("abc", 1);
commonsHashMap.put("ABC", 2);
assertEquals(1, commonsHashMap.size());
}
@Test
public void givenLinkedCaseInsensitiveMap_whenTwoEntriesAdded_thenSizeIsOne(){
Map<String, Integer> linkedHashMap = new LinkedCaseInsensitiveMap<>();
linkedHashMap.put("abc", 1);
linkedHashMap.put("ABC", 2);
assertEquals(1, linkedHashMap.size());
}
@Test
public void givenCaseInsensitiveTreeMap_whenSameEntryAdded_thenValueUpdated(){
Map<String, Integer> treeMap = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
treeMap.put("abc", 1);
treeMap.put("ABC", 2);
assertEquals(2, treeMap.get("aBc").intValue());
assertEquals(2, treeMap.get("ABc").intValue());
}
@Test
public void givenCommonsCaseInsensitiveMap_whenSameEntryAdded_thenValueUpdated(){
Map<String, Integer> commonsHashMap = new CaseInsensitiveMap<>();
commonsHashMap.put("abc", 1);
commonsHashMap.put("ABC", 2);
assertEquals(2, commonsHashMap.get("aBc").intValue());
assertEquals(2, commonsHashMap.get("ABc").intValue());
}
@Test
public void givenLinkedCaseInsensitiveMap_whenSameEntryAdded_thenValueUpdated(){
Map<String, Integer> linkedHashMap = new LinkedCaseInsensitiveMap<>();
linkedHashMap.put("abc", 1);
linkedHashMap.put("ABC", 2);
assertEquals(2, linkedHashMap.get("aBc").intValue());
assertEquals(2, linkedHashMap.get("ABc").intValue());
}
@Test
public void givenCaseInsensitiveTreeMap_whenEntryRemoved_thenSizeIsZero(){
Map<String, Integer> treeMap = new TreeMap<>(String.CASE_INSENSITIVE_ORDER);
treeMap.put("abc", 3);
treeMap.remove("aBC");
assertEquals(0, treeMap.size());
}
@Test
public void givenCommonsCaseInsensitiveMap_whenEntryRemoved_thenSizeIsZero(){
Map<String, Integer> commonsHashMap = new CaseInsensitiveMap<>();
commonsHashMap.put("abc", 3);
commonsHashMap.remove("aBC");
assertEquals(0, commonsHashMap.size());
}
@Test
public void givenLinkedCaseInsensitiveMap_whenEntryRemoved_thenSizeIsZero(){
Map<String, Integer> linkedHashMap = new LinkedCaseInsensitiveMap<>();
linkedHashMap.put("abc", 3);
linkedHashMap.remove("aBC");
assertEquals(0, linkedHashMap.size());
}
}

1
java-numbers-3/README.md
View File

@ -10,4 +10,5 @@ This module contains articles about numbers in Java.
- [Generating Random Numbers in a Range in Java](https://www.baeldung.com/java-generating-random-numbers-in-range)
- [Listing Numbers Within a Range in Java](https://www.baeldung.com/java-listing-numbers-within-a-range)
- [Fibonacci Series in Java](https://www.baeldung.com/java-fibonacci)
- [Guide to the Number Class in Java](https://www.baeldung.com/java-number-class)
- More articles: [[<-- prev]](/java-numbers-2)

1
java-numbers/README.md
View File

@ -12,4 +12,5 @@ This module contains articles about numbers in Java.
- [Calculating the nth Root in Java](https://www.baeldung.com/java-nth-root)
- [Convert Double to String, Removing Decimal Places](https://www.baeldung.com/java-double-to-string)
- [Changing the Order in a Sum Operation Can Produce Different Results?](https://www.baeldung.com/java-floating-point-sum-order)
- [Using Math.sin with Degrees](https://www.baeldung.com/java-math-sin-degrees)
- More articles: [[next -->]](/../java-numbers-2)

4
jhipster-5/bookstore-monolith/pom.xml
View File

@ -7,7 +7,7 @@
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>Bookstore</name>
<parent>
<artifactId>jhipster-5</artifactId>
<groupId>com.baeldung.jhipster</groupId>
@ -982,7 +982,7 @@
<pluginExecution>
<pluginExecutionFilter>
<groupId>com.github.eirslett</groupId>
<artifactId>frontend-maven-plugin</artifactId>
<artifactId>frontend-maven-plugin</artifactId>
<versionRange>${frontend-maven-plugin.version}</versionRange>
<goals>
<goal>install-node-and-npm</goal>

2
jhipster-5/bookstore-monolith/src/test/java/com/baeldung/jhipster5/service/mapper/UserMapperUnitTest.java → jhipster-5/bookstore-monolith/src/test/java/com/baeldung/jhipster5/service/mapper/UserMapperIntegrationTest.java
View File

@ -26,7 +26,7 @@ import static org.assertj.core.api.Assertions.assertThat;
*/
@RunWith(SpringRunner.class)
@SpringBootTest(classes = BookstoreApp.class)
public class UserMapperUnitTest {
public class UserMapperIntegrationTest {
private static final String DEFAULT_LOGIN = "johndoe";

3
libraries-3/README.md
View File

@ -15,4 +15,5 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
- [Introduction to the jcabi-aspects AOP Annotations Library](https://www.baeldung.com/java-jcabi-aspects)
- [Introduction to Takes](https://www.baeldung.com/java-takes)
- [Using NullAway to Avoid NullPointerExceptions](https://www.baeldung.com/java-nullaway)
- [Introduction to Alibaba Arthas](https://www.baeldung.com/java-alibaba-arthas-intro)
- [Quick Guide to Spring Cloud Circuit Breaker](https://www.baeldung.com/spring-cloud-circuit-breaker)

3
libraries-concurrency/README.md Normal file
View File

@ -0,0 +1,3 @@
### Relevant Articles:
- [Intro to Coroutines with Quasar](https://www.baeldung.com/java-quasar-coroutines)

3
linux-bash/command-line-arguments/src/main/bash/README.md Normal file
View File

@ -0,0 +1,3 @@
### Relevant Articles:
- [How to Use Command Line Arguments in a Bash Script](https://www.baeldung.com/linux/use-command-line-arguments-in-bash-script)

3
linux-bash/functions/src/main/bash/README.md Normal file
View File

@ -0,0 +1,3 @@
### Relevant Articles
- [Bash Functions in Linux](https://www.baeldung.com/linux/bash-functions)

3
linux-bash/read/README.md Normal file
View File

@ -0,0 +1,3 @@
### Relevant Articles:
- [Guide to the Linux read Command](https://www.baeldung.com/linux/read-command)

1
linux-bash/text/README.md
View File

@ -1,3 +1,4 @@
### Relevant Articles:
- [Linux Commands – Remove All Text After X](https://www.baeldung.com/linux/tr-manipulate-strings)
- [Linux Commands for Appending Multiple Lines to a File](https://www.baeldung.com/linux/appending-multiple-lines-to-file2)

2
logging-modules/log-mdc/README.md
View File

@ -1,7 +1,7 @@
### Relevant Articles:
- TBD
- [Improved Java Logging with Mapped Diagnostic Context (MDC)](https://www.baeldung.com/mdc-in-log4j-2-logback)
- [Java Logging with Nested Diagnostic Context (NDC)](https:www.baeldung.com/java-logging-ndc-log4j)
- [Java Logging with Nested Diagnostic Context (NDC)](https://www.baeldung.com/java-logging-ndc-log4j)
- [Drools Using Rules from Excel Files](https://www.baeldung.com/drools-excel)
### References

3
lombok/src/main/README.md Normal file
View File

@ -0,0 +1,3 @@
### Relevant Articles:
- [Guide to the Linux wc Command](https://www.baeldung.com/linux/wc-command)

1
persistence-modules/hibernate-jpa/README.md
View File

@ -13,3 +13,4 @@ This module contains articles specific to use of Hibernate as a JPA implementati
- [Enabling Transaction Locks in Spring Data JPA](https://www.baeldung.com/java-jpa-transaction-locks)
- [TransactionRequiredException Error](https://www.baeldung.com/jpa-transaction-required-exception)
- [JPA/Hibernate Persistence Context](https://www.baeldung.com/jpa-hibernate-persistence-context)
- [Quick Guide to EntityManager#getReference()](https://www.baeldung.com/jpa-entity-manager-get-reference)

6
persistence-modules/java-cassandra/pom.xml
View File

@ -18,6 +18,12 @@
<artifactId>cassandra-driver-core</artifactId>
<version>${cassandra-driver-core.version}</version>
<optional>true</optional>
<exclusions>
<exclusion>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- https://mvnrepository.com/artifact/org.cassandraunit/cassandra-unit -->

51
persistence-modules/java-cassandra/src/test/resources/cassandra.yaml Normal file
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@ -0,0 +1,51 @@
cluster_name: 'Test Cluster'
hinted_handoff_enabled: true
max_hint_window_in_ms: 10800000
hinted_handoff_throttle_in_kb: 1024
max_hints_delivery_threads: 2
hints_directory: target/embeddedCassandra/hints
authenticator: AllowAllAuthenticator
authorizer: AllowAllAuthorizer
permissions_validity_in_ms: 2000
partitioner: RandomPartitioner
data_file_directories:
- target/embeddedCassandra/data
commitlog_directory: target/embeddedCassandra/commitlog
cdc_raw_directory: target/embeddedCassandra/cdc
disk_failure_policy: stop
key_cache_size_in_mb:
key_cache_save_period: 14400
row_cache_size_in_mb: 0
row_cache_save_period: 0
saved_caches_directory: target/embeddedCassandra/saved_caches
commitlog_sync: periodic
commitlog_sync_period_in_ms: 10000
commitlog_segment_size_in_mb: 32
concurrent_reads: 32
concurrent_writes: 32
trickle_fsync: false
trickle_fsync_interval_in_kb: 10240
thrift_framed_transport_size_in_mb: 15
thrift_max_message_length_in_mb: 16
incremental_backups: false
snapshot_before_compaction: false
auto_snapshot: false
column_index_size_in_kb: 64
compaction_throughput_mb_per_sec: 16
read_request_timeout_in_ms: 5000
range_request_timeout_in_ms: 10000
write_request_timeout_in_ms: 2000
cas_contention_timeout_in_ms: 1000
truncate_request_timeout_in_ms: 60000
request_timeout_in_ms: 10000
cross_node_timeout: false
endpoint_snitch: SimpleSnitch
dynamic_snitch_update_interval_in_ms: 100
dynamic_snitch_reset_interval_in_ms: 600000
dynamic_snitch_badness_threshold: 0.1
request_scheduler: org.apache.cassandra.scheduler.NoScheduler
index_interval: 128
seed_provider:
- class_name: org.apache.cassandra.locator.SimpleSeedProvider
parameters:
- seeds: "127.0.0.1"

3
persistence-modules/spring-boot-persistence-h2/README.md
View File

@ -1,4 +1,5 @@
### Relevant Articles:
- [Access the Same In-Memory H2 Database in Multiple Spring Boot Applications](https://www.baeldung.com/spring-boot-access-h2-database-multiple-apps)
- [Spring Boot With H2 Database](https://www.baeldung.com/spring-boot-h2-database)
- [Hibernate @NotNull vs @Column(nullable = false)](https://www.baeldung.com/hibernate-notnull-vs-nullable)
- [Hibernate @NotNull vs @Column(nullable = false)](https://www.baeldung.com/hibernate-notnull-vs-nullable)
- [Quick Guide to Hibernate enable_lazy_load_no_trans Property](https://www.baeldung.com/hibernate-lazy-loading-workaround)

2
persistence-modules/spring-data-jpa-4/create.sql Normal file
View File

@ -0,0 +1,2 @@
create table PERSON (ID int8 not null, FIRST_NAME varchar(255), LAST_NAME varchar(255), primary key (ID))
create table person (id int8 not null, first_name varchar(255), last_name varchar(255), primary key (id))

5
persistence-modules/spring-data-jpa-4/pom.xml
View File

@ -33,6 +33,11 @@
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>

35
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/Person.java Normal file
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@ -0,0 +1,35 @@
package com.baeldung.namingstrategy;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class Person {
@Id
private Long id;
private String firstName;
private String lastName;
public Person() {}
public Person(Long id, String firstName, String lastName) {
this.id = id;
this.firstName = firstName;
this.lastName = lastName;
}
public Long id() {
return id;
}
public String firstName() {
return firstName;
}
public String lastName() {
return lastName;
}
}

6
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/PersonRepository.java Normal file
View File

@ -0,0 +1,6 @@
package com.baeldung.namingstrategy;
import org.springframework.data.jpa.repository.JpaRepository;
public interface PersonRepository extends JpaRepository<Person, Long> {
}

12
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/QuotedLowerCaseNamingStrategy.java Normal file
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@ -0,0 +1,12 @@
package com.baeldung.namingstrategy;
import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
import org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy;
public class QuotedLowerCaseNamingStrategy extends SpringPhysicalNamingStrategy {
@Override
protected Identifier getIdentifier(String name, boolean quoted, JdbcEnvironment jdbcEnvironment) {
return new Identifier(name.toLowerCase(), true);
}
}

12
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/QuotedUpperCaseNamingStrategy.java Normal file
View File

@ -0,0 +1,12 @@
package com.baeldung.namingstrategy;
import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
import org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy;
public class QuotedUpperCaseNamingStrategy extends SpringPhysicalNamingStrategy {
@Override
protected Identifier getIdentifier(String name, boolean quoted, JdbcEnvironment jdbcEnvironment) {
return new Identifier(name.toUpperCase(), true);
}
}

7
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/SpringDataJpaNamingConventionApplication.java Normal file
View File

@ -0,0 +1,7 @@
package com.baeldung.namingstrategy;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringDataJpaNamingConventionApplication {
}

12
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/UnquotedLowerCaseNamingStrategy.java Normal file
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@ -0,0 +1,12 @@
package com.baeldung.namingstrategy;
import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
import org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy;
public class UnquotedLowerCaseNamingStrategy extends SpringPhysicalNamingStrategy {
@Override
protected Identifier getIdentifier(String name, boolean quoted, JdbcEnvironment jdbcEnvironment) {
return new Identifier(name.toLowerCase(), false);
}
}

12
persistence-modules/spring-data-jpa-4/src/main/java/com/baeldung/namingstrategy/UnquotedUpperCaseNamingStrategy.java Normal file
View File

@ -0,0 +1,12 @@
package com.baeldung.namingstrategy;
import org.hibernate.boot.model.naming.Identifier;
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment;
import org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy;
public class UnquotedUpperCaseNamingStrategy extends SpringPhysicalNamingStrategy {
@Override
protected Identifier getIdentifier(String name, boolean quoted, JdbcEnvironment jdbcEnvironment) {
return new Identifier(name.toUpperCase(), false);
}
}

81
persistence-modules/spring-data-jpa-4/src/test/java/com/baeldung/namingstrategy/QuotedLowerCaseNamingStrategyH2IntegrationTest.java Normal file
View File

@ -0,0 +1,81 @@
package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("quoted-lower-case-naming-strategy.properties")
class QuotedLowerCaseNamingStrategyH2IntegrationTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonUnquoted_thenException(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Unexpected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
@Test
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonQuotedUpperCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Expected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
@Test
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonQuotedLowerCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

85
persistence-modules/spring-data-jpa-4/src/test/java/com/baeldung/namingstrategy/QuotedLowerCaseNamingStrategyPostgresLiveTest.java Normal file
View File

@ -0,0 +1,85 @@
package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("quoted-lower-case-naming-strategy-on-postgres.properties")
class QuotedLowerCaseNamingStrategyPostgresLiveTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonUnquoted_thenResult(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonQuotedUpperCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Expected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
@Test
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonQuotedLowerCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

85
persistence-modules/spring-data-jpa-4/src/test/java/com/baeldung/namingstrategy/QuotedUpperCaseNamingStrategyH2IntegrationTest.java Normal file
View File

@ -0,0 +1,85 @@
package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("quoted-upper-case-naming-strategy.properties")
class QuotedUpperCaseNamingStrategyH2IntegrationTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonUnquoted_thenException(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonQuotedUpperCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonQuotedLowerCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Expected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

81
persistence-modules/spring-data-jpa-4/src/test/java/com/baeldung/namingstrategy/QuotedUpperCaseNamingStrategyPostgresLiveTest.java Normal file
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@ -0,0 +1,81 @@
package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("quoted-upper-case-naming-strategy-on-postgres.properties")
class QuotedUpperCaseNamingStrategyPostgresLiveTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonUnquoted_thenResult(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Unexpected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
@Test
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonQuotedUpperCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonQuotedLowerCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Expected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

85
persistence-modules/spring-data-jpa-4/src/test/java/com/baeldung/namingstrategy/SpringPhysicalNamingStrategyH2IntegrationTest.java Normal file
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package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("spring-physical-naming-strategy.properties")
class SpringPhysicalNamingStrategyH2IntegrationTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndSpringNamingStrategy_whenQueryPersonUnquoted_thenResult(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndSpringNamingStrategy_whenQueryPersonQuotedUpperCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Unexpected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndSpringNamingStrategy_whenQueryPersonQuotedLowerCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Unexpected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

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package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("spring-physical-naming-strategy-on-postgres.properties")
class SpringPhysicalNamingStrategyPostgresLiveTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndSpringNamingStrategy_whenQueryPersonUnquoted_thenResult(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndSpringNamingStrategy_whenQueryPersonQuotedUpperCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Expected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
@Test
void givenPeopleAndSpringNamingStrategy_whenQueryPersonQuotedLowerCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

86
persistence-modules/spring-data-jpa-4/src/test/java/com/baeldung/namingstrategy/UnquotedLowerCaseNamingStrategyH2IntegrationTest.java Normal file
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package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("unquoted-lower-case-naming-strategy.properties")
class UnquotedLowerCaseNamingStrategyH2IntegrationTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonUnquoted_thenResult(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonQuotedUpperCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Unexpected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonQuotedLowerCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Unexpected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

85
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package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("unquoted-lower-case-naming-strategy-on-postgres.properties")
class UnquotedLowerCaseNamingStrategyPostgresLiveTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonUnquoted_thenResult(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonQuotedUpperCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Expected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
@Test
void givenPeopleAndLowerCaseNamingStrategy_whenQueryPersonQuotedLowerCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

85
persistence-modules/spring-data-jpa-4/src/test/java/com/baeldung/namingstrategy/UnquotedUpperCaseNamingStrategyH2IntegrationTest.java Normal file
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package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("unquoted-upper-case-naming-strategy.properties")
class UnquotedUpperCaseNamingStrategyH2IntegrationTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonUnquoted_thenResult(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonQuotedUpperCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonQuotedLowerCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Expected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

85
persistence-modules/spring-data-jpa-4/src/test/java/com/baeldung/namingstrategy/UnquotedUpperCaseNamingStrategyPostgresLiveTest.java Normal file
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package com.baeldung.namingstrategy;
import org.hibernate.exception.SQLGrammarException;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.jdbc.TestDatabaseAutoConfiguration;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.test.context.TestPropertySource;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import java.math.BigInteger;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
@DataJpaTest(excludeAutoConfiguration = TestDatabaseAutoConfiguration.class)
@TestPropertySource("unquoted-upper-case-naming-strategy-on-postgres.properties")
class UnquotedUpperCaseNamingStrategyPostgresLiveTest {
@PersistenceContext
private EntityManager entityManager;
@Autowired
private PersonRepository personRepository;
@BeforeEach
void insertPeople() {
personRepository.saveAll(Arrays.asList(
new Person(1L, "John", "Doe"),
new Person(2L, "Jane", "Doe"),
new Person(3L, "Ted", "Mosby")
));
}
@ParameterizedTest
@ValueSource(strings = {"person", "PERSON", "Person"})
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonUnquoted_thenResult(String tableName) {
Query query = entityManager.createNativeQuery("select * from " + tableName);
// Expected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
@Test
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonQuotedUpperCase_thenException() {
Query query = entityManager.createNativeQuery("select * from \"PERSON\"");
// Unexpected result
assertThrows(SQLGrammarException.class, query::getResultStream);
}
@Test
void givenPeopleAndUpperCaseNamingStrategy_whenQueryPersonQuotedLowerCase_thenResult() {
Query query = entityManager.createNativeQuery("select * from \"person\"");
// Unexpected result
List<Person> result = (List<Person>) query.getResultStream()
.map(this::fromDatabase)
.collect(Collectors.toList());
assertThat(result).isNotEmpty();
}
public Person fromDatabase(Object databaseRow) {
Object[] typedDatabaseRow = (Object[]) databaseRow;
return new Person(
((BigInteger) typedDatabaseRow[0]).longValue(),
(String) typedDatabaseRow[1],
(String) typedDatabaseRow[2]
);
}
}

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/quoted-lower-case-naming-strategy-on-postgres.properties Normal file
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spring.datasource.url=jdbc:postgresql://localhost:5432/quoted-lower-case-strategy
spring.datasource.username=postgres
spring.datasource.password=root
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=com.baeldung.namingstrategy.QuotedLowerCaseNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=upper-case-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/quoted-lower-case-naming-strategy.properties Normal file
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spring.datasource.url=jdbc:h2:mem:quoted-lower-case-strategy
spring.datasource.username=sa
spring.datasource.password=
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=com.baeldung.namingstrategy.QuotedLowerCaseNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=upper-case-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/quoted-upper-case-naming-strategy-on-postgres.properties Normal file
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spring.datasource.url=jdbc:postgresql://localhost:5432/quoted-upper-case-strategy
spring.datasource.username=postgres
spring.datasource.password=root
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=com.baeldung.namingstrategy.QuotedUpperCaseNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=upper-case-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/quoted-upper-case-naming-strategy.properties Normal file
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spring.datasource.url=jdbc:h2:mem:quoted-upper-case-strategy
spring.datasource.username=sa
spring.datasource.password=
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=com.baeldung.namingstrategy.QuotedUpperCaseNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=upper-case-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/spring-physical-naming-strategy-on-postgres.properties Normal file
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spring.datasource.url=jdbc:postgresql://localhost:5432/spring-strategy
spring.datasource.username=postgres
spring.datasource.password=root
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=default-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/spring-physical-naming-strategy.properties Normal file
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spring.datasource.url=jdbc:h2:mem:spring-strategy
spring.datasource.username=sa
spring.datasource.password=
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=default-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/unquoted-lower-case-naming-strategy-on-postgres.properties Normal file
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spring.datasource.url=jdbc:postgresql://localhost:5432/unquoted-lower-case-strategy
spring.datasource.username=postgres
spring.datasource.password=root
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=com.baeldung.namingstrategy.UnquotedLowerCaseNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=upper-case-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/unquoted-lower-case-naming-strategy.properties Normal file
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spring.datasource.url=jdbc:h2:mem:unquoted-lower-case-strategy
spring.datasource.username=sa
spring.datasource.password=
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=com.baeldung.namingstrategy.UnquotedLowerCaseNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=upper-case-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/unquoted-upper-case-naming-strategy-on-postgres.properties Normal file
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spring.datasource.url=jdbc:postgresql://localhost:5432/unquoted-upper-case-strategy
spring.datasource.username=postgres
spring.datasource.password=root
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=com.baeldung.namingstrategy.UnquotedUpperCaseNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=upper-case-naming-strategy-ddl.sql

9
persistence-modules/spring-data-jpa-4/src/test/resources/com/baeldung/namingstrategy/unquoted-upper-case-naming-strategy.properties Normal file
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@ -0,0 +1,9 @@
spring.datasource.url=jdbc:h2:mem:unquoted-upper-case-strategy
spring.datasource.username=sa
spring.datasource.password=
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.hibernate.naming.physical-strategy=com.baeldung.namingstrategy.UnquotedUpperCaseNamingStrategy
#spring.jpa.properties.javax.persistence.schema-generation.create-source=metadata
#spring.jpa.properties.javax.persistence.schema-generation.scripts.action=create
#spring.jpa.properties.javax.persistence.schema-generation.scripts.create-target=upper-case-naming-strategy-ddl.sql

1
persistence-modules/spring-hibernate4/README.md
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@ -9,7 +9,6 @@ This module contains articles about Spring with Hibernate 4
- [Stored Procedures with Hibernate](https://www.baeldung.com/stored-procedures-with-hibernate-tutorial)
- [Hibernate: save, persist, update, merge, saveOrUpdate](https://www.baeldung.com/hibernate-save-persist-update-merge-saveorupdate)
- [Eager/Lazy Loading In Hibernate](https://www.baeldung.com/hibernate-lazy-eager-loading)
- [The DAO with Spring and Hibernate](https://www.baeldung.com/persistence-layer-with-spring-and-hibernate)
- [Auditing with JPA, Hibernate, and Spring Data JPA](https://www.baeldung.com/database-auditing-jpa)
### Quick Start

3
persistence-modules/spring-persistence-simple-2/README.md Normal file
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@ -0,0 +1,3 @@
### Relevant Articles:
- [Spring JdbcTemplate Unit Testing](https://www.baeldung.com/spring-jdbctemplate-testing)

10
pom.xml
View File

@ -453,6 +453,7 @@
<module>java-collections-conversions</module>
<module>java-collections-conversions-2</module>
<module>java-collections-maps-3</module>
<!-- <module>java-ee-8-security-api</module> --> <!-- long running -->
<module>javafx</module>
@ -564,6 +565,8 @@
<module>rxjava-libraries</module>
<module>rxjava-observables</module>
<module>rxjava-operators</module>
<module>atomikos</module>
</modules>
</profile>
@ -803,7 +806,7 @@
<module>jenkins/plugins</module>
<module>jhipster</module>
<module>jws</module>
<!-- <module>jws</module> --> <!-- Failing the build. Fixing in http://jira.baeldung.com/browse/BAEL-3992 -->
<module>libraries</module> <!-- very long running -->
@ -963,6 +966,7 @@
<module>java-collections-conversions</module>
<module>java-collections-conversions-2</module>
<module>java-collections-maps-3</module>
<!-- <module>java-ee-8-security-api</module> --> <!-- long running -->
<module>javafx</module>
@ -1073,6 +1077,8 @@
<module>rxjava-libraries</module>
<module>rxjava-observables</module>
<module>rxjava-operators</module>
<module>atomikos</module>
</modules>
</profile>
@ -1296,7 +1302,7 @@
<module>jenkins/plugins</module>
<module>jhipster</module>
<module>jws</module>
<!-- <module>jws</module> --> <!-- Failing the build. Fixing in http://jira.baeldung.com/browse/BAEL-3992 -->
<module>libraries</module> <!-- very long running -->

1
spring-5-mvc/README.md
View File

@ -6,3 +6,4 @@ This module contains articles about Spring 5 model-view-controller (MVC) pattern
- [Spring Boot and Kotlin](https://www.baeldung.com/spring-boot-kotlin)
- [Spring MVC Streaming and SSE Request Processing](https://www.baeldung.com/spring-mvc-sse-streams)
- [Interface Driven Controllers in Spring](https://www.baeldung.com/spring-interface-driven-controllers)
- [Returning Plain HTML From a Spring MVC Controller](https://www.baeldung.com/spring-mvc-return-html)

2
spring-batch/README.md
View File

@ -3,6 +3,7 @@
This module contains articles about Spring Batch
### Relevant Articles:
- [Introduction to Spring Batch](https://www.baeldung.com/introduction-to-spring-batch)
- [Spring Batch using Partitioner](https://www.baeldung.com/spring-batch-partitioner)
- [Spring Batch – Tasklets vs Chunks](https://www.baeldung.com/spring-batch-tasklet-chunk)
@ -10,3 +11,4 @@ This module contains articles about Spring Batch
- [Configuring Skip Logic in Spring Batch](https://www.baeldung.com/spring-batch-skip-logic)
- [Testing a Spring Batch Job](https://www.baeldung.com/spring-batch-testing-job)
- [Configuring Retry Logic in Spring Batch](https://www.baeldung.com/spring-batch-retry-logic)
- [Conditional Flow in Spring Batch](https://www.baeldung.com/spring-batch-conditional-flow)

4
spring-boot-modules/spring-boot-libraries/pom.xml
View File

@ -28,6 +28,10 @@
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>

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