Merge remote-tracking branch 'upstream/master' into BAEL-2563
This commit is contained in:
mherbaghinyan
commit
5ac596bbb9
|
|
@ -66,3 +66,10 @@ jmeter/src/main/resources/*-JMeter.csv
|
|||
**/nb-configuration.xml
|
||||
core-scala/.cache-main
|
||||
core-scala/.cache-tests
|
||||
|
||||
|
||||
persistence-modules/hibernate5/transaction.log
|
||||
apache-avro/src/main/java/com/baeldung/avro/model/
|
||||
jta/transaction-logs/
|
||||
software-security/sql-injection-samples/derby.log
|
||||
spring-soap/src/main/java/com/baeldung/springsoap/gen/
|
||||
|
|
@ -5,9 +5,9 @@
|
|||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>JGit</artifactId>
|
||||
<version>1.0-SNAPSHOT</version>
|
||||
<name>JGit</name>
|
||||
<packaging>jar</packaging>
|
||||
<url>http://maven.apache.org</url>
|
||||
<name>JGit</name>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ Java and Spring Tutorials
|
|||
================
|
||||
|
||||
This project is **a collection of small and focused tutorials** - each covering a single and well defined area of development in the Java ecosystem.
|
||||
A strong focus of these is, of course, the Spring Framework - Spring, Spring Boot and Spring Securiyt.
|
||||
A strong focus of these is, of course, the Spring Framework - Spring, Spring Boot and Spring Security.
|
||||
In additional to Spring, the following technologies are in focus: `core Java`, `Jackson`, `HttpClient`, `Guava`.
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -2,8 +2,8 @@
|
|||
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>Twitter4J</artifactId>
|
||||
<packaging>jar</packaging>
|
||||
<name>Twitter4J</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,3 @@
|
|||
## Relevant articles:
|
||||
|
||||
- [Introduction to Akka HTTP](https://www.baeldung.com/akka-http)
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
<?xml version="1.0"?>
|
||||
<project
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
|
||||
xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
|
||||
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>akka-http</artifactId>
|
||||
<name>akka-http</name>
|
||||
|
||||
<parent>
|
||||
<artifactId>parent-modules</artifactId>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>com.typesafe.akka</groupId>
|
||||
<artifactId>akka-http_2.12</artifactId>
|
||||
<version>${akka.http.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.typesafe.akka</groupId>
|
||||
<artifactId>akka-stream_2.12</artifactId>
|
||||
<version>${akka.stream.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.typesafe.akka</groupId>
|
||||
<artifactId>akka-http-jackson_2.12</artifactId>
|
||||
<version>${akka.http.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.typesafe.akka</groupId>
|
||||
<artifactId>akka-http-testkit_2.12</artifactId>
|
||||
<version>${akka.http.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<properties>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
|
||||
<akka.http.version>10.0.11</akka.http.version>
|
||||
<akka.stream.version>2.5.11</akka.stream.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
package com.baeldung.akkahttp;
|
||||
|
||||
public class User {
|
||||
|
||||
private final Long id;
|
||||
|
||||
private final String name;
|
||||
|
||||
public User() {
|
||||
this.name = "";
|
||||
this.id = null;
|
||||
}
|
||||
|
||||
public User(Long id, String name) {
|
||||
this.name = name;
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public Long getId() {
|
||||
return id;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,41 @@
|
|||
package com.baeldung.akkahttp;
|
||||
|
||||
import akka.actor.AbstractActor;
|
||||
import akka.actor.Props;
|
||||
import akka.japi.pf.FI;
|
||||
import com.baeldung.akkahttp.UserMessages.ActionPerformed;
|
||||
import com.baeldung.akkahttp.UserMessages.CreateUserMessage;
|
||||
import com.baeldung.akkahttp.UserMessages.GetUserMessage;
|
||||
|
||||
|
||||
class UserActor extends AbstractActor {
|
||||
|
||||
private UserService userService = new UserService();
|
||||
|
||||
static Props props() {
|
||||
return Props.create(UserActor.class);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Receive createReceive() {
|
||||
return receiveBuilder()
|
||||
.match(CreateUserMessage.class, handleCreateUser())
|
||||
.match(GetUserMessage.class, handleGetUser())
|
||||
.build();
|
||||
}
|
||||
|
||||
private FI.UnitApply<CreateUserMessage> handleCreateUser() {
|
||||
return createUserMessageMessage -> {
|
||||
userService.createUser(createUserMessageMessage.getUser());
|
||||
sender().tell(new ActionPerformed(String.format("User %s created.", createUserMessageMessage.getUser()
|
||||
.getName())), getSelf());
|
||||
};
|
||||
}
|
||||
|
||||
private FI.UnitApply<GetUserMessage> handleGetUser() {
|
||||
return getUserMessageMessage -> {
|
||||
sender().tell(userService.getUser(getUserMessageMessage.getUserId()), getSelf());
|
||||
};
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
package com.baeldung.akkahttp;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
public interface UserMessages {
|
||||
|
||||
class ActionPerformed implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
private final String description;
|
||||
|
||||
public ActionPerformed(String description) {
|
||||
this.description = description;
|
||||
}
|
||||
|
||||
public String getDescription() {
|
||||
return description;
|
||||
}
|
||||
}
|
||||
|
||||
class CreateUserMessage implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
private final User user;
|
||||
|
||||
public CreateUserMessage(User user) {
|
||||
this.user = user;
|
||||
}
|
||||
|
||||
public User getUser() {
|
||||
return user;
|
||||
}
|
||||
}
|
||||
|
||||
class GetUserMessage implements Serializable {
|
||||
private static final long serialVersionUID = 1L;
|
||||
private final Long userId;
|
||||
|
||||
public GetUserMessage(Long userId) {
|
||||
this.userId = userId;
|
||||
}
|
||||
|
||||
public Long getUserId() {
|
||||
return userId;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,70 @@
|
|||
package com.baeldung.akkahttp;
|
||||
|
||||
import java.util.Optional;
|
||||
import java.util.concurrent.CompletionStage;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import akka.actor.ActorRef;
|
||||
import akka.actor.ActorSystem;
|
||||
import akka.http.javadsl.marshallers.jackson.Jackson;
|
||||
import akka.http.javadsl.model.StatusCodes;
|
||||
import akka.http.javadsl.server.HttpApp;
|
||||
import akka.http.javadsl.server.Route;
|
||||
import akka.pattern.PatternsCS;
|
||||
import akka.util.Timeout;
|
||||
import com.baeldung.akkahttp.UserMessages.ActionPerformed;
|
||||
import com.baeldung.akkahttp.UserMessages.CreateUserMessage;
|
||||
import com.baeldung.akkahttp.UserMessages.GetUserMessage;
|
||||
import scala.concurrent.duration.Duration;
|
||||
import static akka.http.javadsl.server.PathMatchers.*;
|
||||
|
||||
class UserServer extends HttpApp {
|
||||
|
||||
private final ActorRef userActor;
|
||||
|
||||
Timeout timeout = new Timeout(Duration.create(5, TimeUnit.SECONDS));
|
||||
|
||||
UserServer(ActorRef userActor) {
|
||||
this.userActor = userActor;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Route routes() {
|
||||
return path("users", this::postUser)
|
||||
.orElse(path(segment("users").slash(longSegment()), id ->
|
||||
route(getUser(id))));
|
||||
}
|
||||
|
||||
private Route getUser(Long id) {
|
||||
return get(() -> {
|
||||
CompletionStage<Optional<User>> user = PatternsCS.ask(userActor, new GetUserMessage(id), timeout)
|
||||
.thenApply(obj -> (Optional<User>) obj);
|
||||
|
||||
return onSuccess(() -> user, performed -> {
|
||||
if (performed.isPresent())
|
||||
return complete(StatusCodes.OK, performed.get(), Jackson.marshaller());
|
||||
else
|
||||
return complete(StatusCodes.NOT_FOUND);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
private Route postUser() {
|
||||
return route(post(() -> entity(Jackson.unmarshaller(User.class), user -> {
|
||||
CompletionStage<ActionPerformed> userCreated = PatternsCS.ask(userActor, new CreateUserMessage(user), timeout)
|
||||
.thenApply(obj -> (ActionPerformed) obj);
|
||||
|
||||
return onSuccess(() -> userCreated, performed -> {
|
||||
return complete(StatusCodes.CREATED, performed, Jackson.marshaller());
|
||||
});
|
||||
})));
|
||||
}
|
||||
|
||||
public static void main(String[] args) throws Exception {
|
||||
ActorSystem system = ActorSystem.create("userServer");
|
||||
ActorRef userActor = system.actorOf(UserActor.props(), "userActor");
|
||||
UserServer server = new UserServer(userActor);
|
||||
server.startServer("localhost", 8080, system);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
package com.baeldung.akkahttp;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.Optional;
|
||||
|
||||
public class UserService {
|
||||
|
||||
private final static List<User> users = new ArrayList<>();
|
||||
|
||||
static {
|
||||
users.add(new User(1l, "Alice"));
|
||||
users.add(new User(2l, "Bob"));
|
||||
users.add(new User(3l, "Chris"));
|
||||
users.add(new User(4l, "Dick"));
|
||||
users.add(new User(5l, "Eve"));
|
||||
users.add(new User(6l, "Finn"));
|
||||
}
|
||||
|
||||
public Optional<User> getUser(Long id) {
|
||||
return users.stream()
|
||||
.filter(user -> user.getId()
|
||||
.equals(id))
|
||||
.findFirst();
|
||||
}
|
||||
|
||||
public void createUser(User user) {
|
||||
users.add(user);
|
||||
}
|
||||
|
||||
public List<User> getUsers(){
|
||||
return users;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
package com.baeldung.akkahttp;
|
||||
|
||||
import akka.actor.ActorRef;
|
||||
import akka.actor.ActorSystem;
|
||||
import akka.http.javadsl.model.ContentTypes;
|
||||
import akka.http.javadsl.model.HttpEntities;
|
||||
import akka.http.javadsl.model.HttpRequest;
|
||||
import akka.http.javadsl.testkit.JUnitRouteTest;
|
||||
import akka.http.javadsl.testkit.TestRoute;
|
||||
import org.junit.Test;
|
||||
|
||||
public class UserServerUnitTest extends JUnitRouteTest {
|
||||
|
||||
ActorSystem system = ActorSystem.create("helloAkkaHttpServer");
|
||||
|
||||
ActorRef userActorRef = system.actorOf(UserActor.props(), "userActor");
|
||||
|
||||
TestRoute appRoute = testRoute(new UserServer(userActorRef).routes());
|
||||
|
||||
@Test
|
||||
public void whenRequest_thenActorResponds() {
|
||||
|
||||
appRoute.run(HttpRequest.GET("/users/1"))
|
||||
.assertEntity(alice())
|
||||
.assertStatusCode(200);
|
||||
|
||||
appRoute.run(HttpRequest.GET("/users/42"))
|
||||
.assertStatusCode(404);
|
||||
|
||||
appRoute.run(HttpRequest.DELETE("/users/1"))
|
||||
.assertStatusCode(200);
|
||||
|
||||
appRoute.run(HttpRequest.DELETE("/users/42"))
|
||||
.assertStatusCode(200);
|
||||
|
||||
appRoute.run(HttpRequest.POST("/users")
|
||||
.withEntity(HttpEntities.create(ContentTypes.APPLICATION_JSON, zaphod())))
|
||||
.assertStatusCode(201);
|
||||
|
||||
}
|
||||
|
||||
private String alice() {
|
||||
return "{\"id\":1,\"name\":\"Alice\"}";
|
||||
}
|
||||
|
||||
private String zaphod() {
|
||||
return "{\"id\":42,\"name\":\"Zaphod\"}";
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -54,7 +54,6 @@
|
|||
</build>
|
||||
|
||||
<properties>
|
||||
<lombok.version>1.16.12</lombok.version>
|
||||
<commons-math3.version>3.6.1</commons-math3.version>
|
||||
<io.jenetics.version>3.7.0</io.jenetics.version>
|
||||
<org.assertj.core.version>3.9.0</org.assertj.core.version>
|
||||
|
|
|
|||
|
|
@ -12,4 +12,9 @@
|
|||
- [Check If a String Contains All The Letters of The Alphabet](https://www.baeldung.com/java-string-contains-all-letters)
|
||||
- [Find the Middle Element of a Linked List](http://www.baeldung.com/java-linked-list-middle-element)
|
||||
- [Calculate Factorial in Java](https://www.baeldung.com/java-calculate-factorial)
|
||||
- [Find Substrings That Are Palindromes in Java](https://www.baeldung.com/java-palindrome-substrings)
|
||||
- [Find Substrings That Are Palindromes in Java](https://www.baeldung.com/java-palindrome-substrings)
|
||||
- [Find the Longest Substring without Repeating Characters](https://www.baeldung.com/java-longest-substring-without-repeated-characters)
|
||||
- [Java Two Pointer Technique](https://www.baeldung.com/java-two-pointer-technique)
|
||||
- [Permutations of an Array in Java](https://www.baeldung.com/java-array-permutations)
|
||||
- [Implementing Simple State Machines with Java Enums](https://www.baeldung.com/java-enum-simple-state-machine)
|
||||
- [Generate Combinations in Java](https://www.baeldung.com/java-combinations-algorithm)
|
||||
|
|
|
|||
|
|
@ -39,6 +39,11 @@
|
|||
<version>${org.assertj.core.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.github.dpaukov</groupId>
|
||||
<artifactId>combinatoricslib3</artifactId>
|
||||
<version>3.3.0</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
|
|
@ -74,11 +79,10 @@
|
|||
</reporting>
|
||||
|
||||
<properties>
|
||||
<lombok.version>1.16.12</lombok.version>
|
||||
<commons-math3.version>3.6.1</commons-math3.version>
|
||||
<org.assertj.core.version>3.9.0</org.assertj.core.version>
|
||||
<commons-codec.version>1.11</commons-codec.version>
|
||||
<guava.version>25.1-jre</guava.version>
|
||||
<guava.version>27.0.1-jre</guava.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
package com.baeldung.algorithms.combination;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Iterator;
|
||||
|
||||
import org.apache.commons.math3.util.CombinatoricsUtils;
|
||||
|
||||
public class ApacheCommonsCombinationGenerator {
|
||||
|
||||
private static final int N = 6;
|
||||
private static final int R = 3;
|
||||
|
||||
/**
|
||||
* Print all combinations of r elements from a set
|
||||
* @param n - number of elements in set
|
||||
* @param r - number of elements in selection
|
||||
*/
|
||||
public static void generate(int n, int r) {
|
||||
Iterator<int[]> iterator = CombinatoricsUtils.combinationsIterator(n, r);
|
||||
while (iterator.hasNext()) {
|
||||
final int[] combination = iterator.next();
|
||||
System.out.println(Arrays.toString(combination));
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
generate(N, R);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
package com.baeldung.algorithms.combination;
|
||||
|
||||
import org.paukov.combinatorics3.Generator;
|
||||
|
||||
public class CombinatoricsLibCombinationGenerator {
|
||||
|
||||
public static void main(String[] args) {
|
||||
Generator.combination(0, 1, 2, 3, 4, 5)
|
||||
.simple(3)
|
||||
.stream()
|
||||
.forEach(System.out::println);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
package com.baeldung.algorithms.combination;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Set;
|
||||
|
||||
import com.google.common.collect.ImmutableSet;
|
||||
import com.google.common.collect.Sets;
|
||||
|
||||
public class GuavaCombinationsGenerator {
|
||||
|
||||
public static void main(String[] args) {
|
||||
|
||||
Set<Set<Integer>> combinations = Sets.combinations(ImmutableSet.of(0, 1, 2, 3, 4, 5), 3);
|
||||
System.out.println(combinations.size());
|
||||
System.out.println(Arrays.toString(combinations.toArray()));
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
package com.baeldung.algorithms.combination;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
public class IterativeCombinationGenerator {
|
||||
|
||||
private static final int N = 5;
|
||||
private static final int R = 2;
|
||||
|
||||
/**
|
||||
* Generate all combinations of r elements from a set
|
||||
* @param n the number of elements in input set
|
||||
* @param r the number of elements in a combination
|
||||
* @return the list containing all combinations
|
||||
*/
|
||||
public List<int[]> generate(int n, int r) {
|
||||
List<int[]> combinations = new ArrayList<>();
|
||||
int[] combination = new int[r];
|
||||
|
||||
// initialize with lowest lexicographic combination
|
||||
for (int i = 0; i < r; i++) {
|
||||
combination[i] = i;
|
||||
}
|
||||
|
||||
while (combination[r - 1] < n) {
|
||||
combinations.add(combination.clone());
|
||||
|
||||
// generate next combination in lexicographic order
|
||||
int t = r - 1;
|
||||
while (t != 0 && combination[t] == n - r + t) {
|
||||
t--;
|
||||
}
|
||||
combination[t]++;
|
||||
for (int i = t + 1; i < r; i++) {
|
||||
combination[i] = combination[i - 1] + 1;
|
||||
}
|
||||
}
|
||||
|
||||
return combinations;
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
IterativeCombinationGenerator generator = new IterativeCombinationGenerator();
|
||||
List<int[]> combinations = generator.generate(N, R);
|
||||
System.out.println(combinations.size());
|
||||
for (int[] combination : combinations) {
|
||||
System.out.println(Arrays.toString(combination));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,53 @@
|
|||
package com.baeldung.algorithms.combination;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
public class SelectionRecursiveCombinationGenerator {
|
||||
|
||||
private static final int N = 6;
|
||||
private static final int R = 3;
|
||||
|
||||
/**
|
||||
* Generate all combinations of r elements from a set
|
||||
* @param n - number of elements in input set
|
||||
* @param r - number of elements to be chosen
|
||||
* @return the list containing all combinations
|
||||
*/
|
||||
public List<int[]> generate(int n, int r) {
|
||||
List<int[]> combinations = new ArrayList<>();
|
||||
helper(combinations, new int[r], 0, n - 1, 0);
|
||||
return combinations;
|
||||
}
|
||||
|
||||
/**
|
||||
* Choose elements from set by recursing over elements selected
|
||||
* @param combinations - List to store generated combinations
|
||||
* @param data - current combination
|
||||
* @param start - starting element of remaining set
|
||||
* @param end - last element of remaining set
|
||||
* @param index - number of elements chosen so far.
|
||||
*/
|
||||
private void helper(List<int[]> combinations, int data[], int start, int end, int index) {
|
||||
if (index == data.length) {
|
||||
int[] combination = data.clone();
|
||||
combinations.add(combination);
|
||||
} else {
|
||||
int max = Math.min(end, end + 1 - data.length + index);
|
||||
for (int i = start; i <= max; i++) {
|
||||
data[index] = i;
|
||||
helper(combinations, data, i + 1, end, index + 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
SelectionRecursiveCombinationGenerator generator = new SelectionRecursiveCombinationGenerator();
|
||||
List<int[]> combinations = generator.generate(N, R);
|
||||
for (int[] combination : combinations) {
|
||||
System.out.println(Arrays.toString(combination));
|
||||
}
|
||||
System.out.printf("generated %d combinations of %d items from %d ", combinations.size(), R, N);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
package com.baeldung.algorithms.combination;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
public class SetRecursiveCombinationGenerator {
|
||||
|
||||
private static final int N = 5;
|
||||
private static final int R = 2;
|
||||
|
||||
/**
|
||||
* Generate all combinations of r elements from a set
|
||||
* @param n - number of elements in set
|
||||
* @param r - number of elements in selection
|
||||
* @return the list containing all combinations
|
||||
*/
|
||||
public List<int[]> generate(int n, int r) {
|
||||
List<int[]> combinations = new ArrayList<>();
|
||||
helper(combinations, new int[r], 0, n-1, 0);
|
||||
return combinations;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param combinations - List to contain the generated combinations
|
||||
* @param data - List of elements in the selection
|
||||
* @param start - index of the starting element in the remaining set
|
||||
* @param end - index of the last element in the set
|
||||
* @param index - number of elements selected so far
|
||||
*/
|
||||
private void helper(List<int[]> combinations, int data[], int start, int end, int index) {
|
||||
if (index == data.length) {
|
||||
int[] combination = data.clone();
|
||||
combinations.add(combination);
|
||||
} else if (start <= end) {
|
||||
data[index] = start;
|
||||
helper(combinations, data, start + 1, end, index + 1);
|
||||
helper(combinations, data, start + 1, end, index);
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
SetRecursiveCombinationGenerator generator = new SetRecursiveCombinationGenerator();
|
||||
List<int[]> combinations = generator.generate(N, R);
|
||||
for (int[] combination : combinations) {
|
||||
System.out.println(Arrays.toString(combination));
|
||||
}
|
||||
System.out.printf("generated %d combinations of %d items from %d ", combinations.size(), R, N);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
package com.baeldung.algorithms.enumstatemachine;
|
||||
|
||||
public enum LeaveRequestState {
|
||||
|
||||
Submitted {
|
||||
@Override
|
||||
public LeaveRequestState nextState() {
|
||||
System.out.println("Starting the Leave Request and sending to Team Leader for approval.");
|
||||
return Escalated;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String responsiblePerson() {
|
||||
return "Employee";
|
||||
}
|
||||
},
|
||||
Escalated {
|
||||
@Override
|
||||
public LeaveRequestState nextState() {
|
||||
System.out.println("Reviewing the Leave Request and escalating to Department Manager.");
|
||||
return Approved;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String responsiblePerson() {
|
||||
return "Team Leader";
|
||||
}
|
||||
},
|
||||
Approved {
|
||||
@Override
|
||||
public LeaveRequestState nextState() {
|
||||
System.out.println("Approving the Leave Request.");
|
||||
return this;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String responsiblePerson() {
|
||||
return "Department Manager";
|
||||
}
|
||||
};
|
||||
|
||||
public abstract String responsiblePerson();
|
||||
|
||||
public abstract LeaveRequestState nextState();
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,123 @@
|
|||
package com.baeldung.algorithms.permutation;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
|
||||
public class Permutation {
|
||||
|
||||
public static <T> void printAllRecursive(T[] elements, char delimiter) {
|
||||
printAllRecursive(elements.length, elements, delimiter);
|
||||
}
|
||||
|
||||
public static <T> void printAllRecursive(int n, T[] elements, char delimiter) {
|
||||
|
||||
if(n == 1) {
|
||||
printArray(elements, delimiter);
|
||||
} else {
|
||||
for(int i = 0; i < n-1; i++) {
|
||||
printAllRecursive(n - 1, elements, delimiter);
|
||||
if(n % 2 == 0) {
|
||||
swap(elements, i, n-1);
|
||||
} else {
|
||||
swap(elements, 0, n-1);
|
||||
}
|
||||
}
|
||||
printAllRecursive(n - 1, elements, delimiter);
|
||||
}
|
||||
}
|
||||
|
||||
public static <T> void printAllIterative(int n, T[] elements, char delimiter) {
|
||||
|
||||
int[] indexes = new int[n];
|
||||
for (int i = 0; i < n; i++) {
|
||||
indexes[i] = 0;
|
||||
}
|
||||
|
||||
printArray(elements, delimiter);
|
||||
|
||||
int i = 0;
|
||||
while (i < n) {
|
||||
if (indexes[i] < i) {
|
||||
swap(elements, i % 2 == 0 ? 0: indexes[i], i);
|
||||
printArray(elements, delimiter);
|
||||
indexes[i]++;
|
||||
i = 0;
|
||||
}
|
||||
else {
|
||||
indexes[i] = 0;
|
||||
i++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static <T extends Comparable<T>> void printAllOrdered(T[] elements, char delimiter) {
|
||||
|
||||
Arrays.sort(elements);
|
||||
boolean hasNext = true;
|
||||
|
||||
while(hasNext) {
|
||||
printArray(elements, delimiter);
|
||||
int k = 0, l = 0;
|
||||
hasNext = false;
|
||||
for (int i = elements.length - 1; i > 0; i--) {
|
||||
if (elements[i].compareTo(elements[i - 1]) > 0) {
|
||||
k = i - 1;
|
||||
hasNext = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = elements.length - 1; i > k; i--) {
|
||||
if (elements[i].compareTo(elements[k]) > 0) {
|
||||
l = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
swap(elements, k, l);
|
||||
Collections.reverse(Arrays.asList(elements).subList(k + 1, elements.length));
|
||||
}
|
||||
}
|
||||
|
||||
public static <T> void printRandom(T[] elements, char delimiter) {
|
||||
|
||||
Collections.shuffle(Arrays.asList(elements));
|
||||
printArray(elements, delimiter);
|
||||
}
|
||||
|
||||
private static <T> void swap(T[] elements, int a, int b) {
|
||||
|
||||
T tmp = elements[a];
|
||||
elements[a] = elements[b];
|
||||
elements[b] = tmp;
|
||||
}
|
||||
|
||||
private static <T> void printArray(T[] elements, char delimiter) {
|
||||
|
||||
String delimiterSpace = delimiter + " ";
|
||||
for(int i = 0; i < elements.length; i++) {
|
||||
System.out.print(elements[i] + delimiterSpace);
|
||||
}
|
||||
System.out.print('\n');
|
||||
}
|
||||
|
||||
public static void main(String[] argv) {
|
||||
|
||||
Integer[] elements = {1,2,3,4};
|
||||
|
||||
System.out.println("Rec:");
|
||||
printAllRecursive(elements, ';');
|
||||
|
||||
System.out.println("Iter:");
|
||||
printAllIterative(elements.length, elements, ';');
|
||||
|
||||
System.out.println("Orderes:");
|
||||
printAllOrdered(elements, ';');
|
||||
|
||||
System.out.println("Random:");
|
||||
printRandom(elements, ';');
|
||||
|
||||
System.out.println("Random:");
|
||||
printRandom(elements, ';');
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
package com.baeldung.algorithms.twopointertechnique;
|
||||
|
||||
public class LinkedListFindMiddle {
|
||||
|
||||
public <T> T findMiddle(MyNode<T> head) {
|
||||
MyNode<T> slowPointer = head;
|
||||
MyNode<T> fastPointer = head;
|
||||
|
||||
while (fastPointer.next != null && fastPointer.next.next != null) {
|
||||
fastPointer = fastPointer.next.next;
|
||||
slowPointer = slowPointer.next;
|
||||
}
|
||||
return slowPointer.data;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
package com.baeldung.algorithms.twopointertechnique;
|
||||
|
||||
public class MyNode<E> {
|
||||
MyNode<E> next;
|
||||
E data;
|
||||
|
||||
public MyNode(E value) {
|
||||
data = value;
|
||||
next = null;
|
||||
}
|
||||
|
||||
public MyNode(E value, MyNode<E> n) {
|
||||
data = value;
|
||||
next = n;
|
||||
}
|
||||
|
||||
public void setNext(MyNode<E> n) {
|
||||
next = n;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
package com.baeldung.algorithms.twopointertechnique;
|
||||
|
||||
public class RotateArray {
|
||||
|
||||
public void rotate(int[] input, int step) {
|
||||
step %= input.length;
|
||||
reverse(input, 0, input.length - 1);
|
||||
reverse(input, 0, step - 1);
|
||||
reverse(input, step, input.length - 1);
|
||||
}
|
||||
|
||||
private void reverse(int[] input, int start, int end) {
|
||||
while (start < end) {
|
||||
int temp = input[start];
|
||||
input[start] = input[end];
|
||||
input[end] = temp;
|
||||
start++;
|
||||
end--;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
package com.baeldung.algorithms.twopointertechnique;
|
||||
|
||||
public class TwoSum {
|
||||
|
||||
public boolean twoSum(int[] input, int targetValue) {
|
||||
|
||||
int pointerOne = 0;
|
||||
int pointerTwo = input.length - 1;
|
||||
|
||||
while (pointerOne < pointerTwo) {
|
||||
int sum = input[pointerOne] + input[pointerTwo];
|
||||
|
||||
if (sum == targetValue) {
|
||||
return true;
|
||||
} else if (sum < targetValue) {
|
||||
pointerOne++;
|
||||
} else {
|
||||
pointerTwo--;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
public boolean twoSumSlow(int[] input, int targetValue) {
|
||||
|
||||
for (int i = 0; i < input.length; i++) {
|
||||
for (int j = 1; j < input.length; j++) {
|
||||
if (input[i] + input[j] == targetValue) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
package com.baeldung.algorithms.combination;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class CombinationUnitTest {
|
||||
|
||||
private static final int N = 5;
|
||||
private static final int R = 3;
|
||||
private static final int nCr = 10;
|
||||
|
||||
@Test
|
||||
public void givenSetAndSelectionSize_whenCalculatedUsingSetRecursiveAlgorithm_thenExpectedCount() {
|
||||
SetRecursiveCombinationGenerator generator = new SetRecursiveCombinationGenerator();
|
||||
List<int[]> selection = generator.generate(N, R);
|
||||
assertEquals(nCr, selection.size());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSetAndSelectionSize_whenCalculatedUsingSelectionRecursiveAlgorithm_thenExpectedCount() {
|
||||
SelectionRecursiveCombinationGenerator generator = new SelectionRecursiveCombinationGenerator();
|
||||
List<int[]> selection = generator.generate(N, R);
|
||||
assertEquals(nCr, selection.size());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenSetAndSelectionSize_whenCalculatedUsingIterativeAlgorithm_thenExpectedCount() {
|
||||
IterativeCombinationGenerator generator = new IterativeCombinationGenerator();
|
||||
List<int[]> selection = generator.generate(N, R);
|
||||
assertEquals(nCr, selection.size());
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
package com.baeldung.algorithms.enumstatemachine;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class LeaveRequestStateUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenLeaveRequest_whenStateEscalated_thenResponsibleIsTeamLeader() {
|
||||
LeaveRequestState state = LeaveRequestState.Escalated;
|
||||
|
||||
assertEquals(state.responsiblePerson(), "Team Leader");
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void givenLeaveRequest_whenStateApproved_thenResponsibleIsDepartmentManager() {
|
||||
LeaveRequestState state = LeaveRequestState.Approved;
|
||||
|
||||
assertEquals(state.responsiblePerson(), "Department Manager");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenLeaveRequest_whenNextStateIsCalled_thenStateIsChanged() {
|
||||
LeaveRequestState state = LeaveRequestState.Submitted;
|
||||
|
||||
state = state.nextState();
|
||||
assertEquals(state, LeaveRequestState.Escalated);
|
||||
|
||||
state = state.nextState();
|
||||
assertEquals(state, LeaveRequestState.Approved);
|
||||
|
||||
state = state.nextState();
|
||||
assertEquals(state, LeaveRequestState.Approved);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
package com.baeldung.algorithms.twopointertechnique;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class LinkedListFindMiddleUnitTest {
|
||||
|
||||
LinkedListFindMiddle linkedListFindMiddle = new LinkedListFindMiddle();
|
||||
|
||||
@Test
|
||||
public void givenLinkedListOfMyNodes_whenLinkedListFindMiddle_thenCorrect() {
|
||||
|
||||
MyNode<String> head = createNodesList(8);
|
||||
|
||||
assertThat(linkedListFindMiddle.findMiddle(head)).isEqualTo("4");
|
||||
|
||||
head = createNodesList(9);
|
||||
|
||||
assertThat(linkedListFindMiddle.findMiddle(head)).isEqualTo("5");
|
||||
}
|
||||
|
||||
private static MyNode<String> createNodesList(int n) {
|
||||
|
||||
MyNode<String> head = new MyNode<String>("1");
|
||||
MyNode<String> current = head;
|
||||
|
||||
for (int i = 2; i <= n; i++) {
|
||||
MyNode<String> newNode = new MyNode<String>(String.valueOf(i));
|
||||
current.setNext(newNode);
|
||||
current = newNode;
|
||||
}
|
||||
|
||||
return head;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
package com.baeldung.algorithms.twopointertechnique;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class RotateArrayUnitTest {
|
||||
|
||||
private RotateArray rotateArray = new RotateArray();
|
||||
|
||||
private int[] inputArray;
|
||||
|
||||
private int step;
|
||||
|
||||
@Test
|
||||
public void givenAnArrayOfIntegers_whenRotateKsteps_thenCorrect() {
|
||||
|
||||
inputArray = new int[] { 1, 2, 3, 4, 5, 6, 7 };
|
||||
step = 4;
|
||||
|
||||
rotateArray.rotate(inputArray, step);
|
||||
|
||||
assertThat(inputArray).containsExactly(new int[] { 4, 5, 6, 7, 1, 2, 3 });
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
package com.baeldung.algorithms.twopointertechnique;
|
||||
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class TwoSumUnitTest {
|
||||
|
||||
private TwoSum twoSum = new TwoSum();
|
||||
|
||||
private int[] sortedArray;
|
||||
|
||||
private int targetValue;
|
||||
|
||||
@Test
|
||||
public void givenASortedArrayOfIntegers_whenTwoSumSlow_thenPairExists() {
|
||||
|
||||
sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 };
|
||||
|
||||
targetValue = 12;
|
||||
|
||||
assertTrue(twoSum.twoSumSlow(sortedArray, targetValue));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenASortedArrayOfIntegers_whenTwoSumSlow_thenPairDoesNotExists() {
|
||||
|
||||
sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 };
|
||||
|
||||
targetValue = 20;
|
||||
|
||||
assertFalse(twoSum.twoSumSlow(sortedArray, targetValue));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenASortedArrayOfIntegers_whenTwoSum_thenPairExists() {
|
||||
|
||||
sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 };
|
||||
|
||||
targetValue = 12;
|
||||
|
||||
assertTrue(twoSum.twoSum(sortedArray, targetValue));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenASortedArrayOfIntegers_whenTwoSum_thenPairDoesNotExists() {
|
||||
|
||||
sortedArray = new int[] { 0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9 };
|
||||
|
||||
targetValue = 20;
|
||||
|
||||
assertFalse(twoSum.twoSum(sortedArray, targetValue));
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -68,7 +68,7 @@
|
|||
<plugin>
|
||||
<groupId>org.codehaus.mojo</groupId>
|
||||
<artifactId>cobertura-maven-plugin</artifactId>
|
||||
<version>2.7</version>
|
||||
<version>${cobertura-maven-plugin.version}</version>
|
||||
<configuration>
|
||||
<instrumentation>
|
||||
<ignores>
|
||||
|
|
@ -84,13 +84,13 @@
|
|||
</reporting>
|
||||
|
||||
<properties>
|
||||
<lombok.version>1.16.12</lombok.version>
|
||||
<commons-math3.version>3.6.1</commons-math3.version>
|
||||
<tradukisto.version>1.0.1</tradukisto.version>
|
||||
<org.jgrapht.core.version>1.0.1</org.jgrapht.core.version>
|
||||
<org.jgrapht.ext.version>1.0.1</org.jgrapht.ext.version>
|
||||
<org.assertj.core.version>3.9.0</org.assertj.core.version>
|
||||
<commons-codec.version>1.11</commons-codec.version>
|
||||
<cobertura-maven-plugin.version>2.7</cobertura-maven-plugin.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
package com.baeldung.algorithms.reversingtree;
|
||||
|
||||
public class TreeNode {
|
||||
|
||||
private int value;
|
||||
private TreeNode rightChild;
|
||||
private TreeNode leftChild;
|
||||
|
||||
public int getValue() {
|
||||
return value;
|
||||
}
|
||||
|
||||
public void setValue(int value) {
|
||||
this.value = value;
|
||||
}
|
||||
|
||||
public TreeNode getRightChild() {
|
||||
return rightChild;
|
||||
}
|
||||
|
||||
public void setRightChild(TreeNode rightChild) {
|
||||
this.rightChild = rightChild;
|
||||
}
|
||||
|
||||
public TreeNode getLeftChild() {
|
||||
return leftChild;
|
||||
}
|
||||
|
||||
public void setLeftChild(TreeNode leftChild) {
|
||||
this.leftChild = leftChild;
|
||||
}
|
||||
|
||||
public TreeNode(int value, TreeNode rightChild, TreeNode leftChild) {
|
||||
this.value = value;
|
||||
this.rightChild = rightChild;
|
||||
this.leftChild = leftChild;
|
||||
}
|
||||
|
||||
public TreeNode(int value) {
|
||||
this.value = value;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,68 @@
|
|||
package com.baeldung.algorithms.reversingtree;
|
||||
|
||||
import java.util.LinkedList;
|
||||
|
||||
public class TreeReverser {
|
||||
|
||||
public TreeNode createBinaryTree() {
|
||||
|
||||
TreeNode leaf1 = new TreeNode(3);
|
||||
TreeNode leaf2 = new TreeNode(1);
|
||||
TreeNode leaf3 = new TreeNode(9);
|
||||
TreeNode leaf4 = new TreeNode(6);
|
||||
|
||||
TreeNode nodeLeft = new TreeNode(2, leaf1, leaf2);
|
||||
TreeNode nodeRight = new TreeNode(7, leaf3, leaf4);
|
||||
|
||||
TreeNode root = new TreeNode(4, nodeRight, nodeLeft);
|
||||
|
||||
return root;
|
||||
}
|
||||
|
||||
public void reverseRecursive(TreeNode treeNode) {
|
||||
if (treeNode == null) {
|
||||
return;
|
||||
}
|
||||
|
||||
TreeNode temp = treeNode.getLeftChild();
|
||||
treeNode.setLeftChild(treeNode.getRightChild());
|
||||
treeNode.setRightChild(temp);
|
||||
|
||||
reverseRecursive(treeNode.getLeftChild());
|
||||
reverseRecursive(treeNode.getRightChild());
|
||||
}
|
||||
|
||||
public void reverseIterative(TreeNode treeNode) {
|
||||
LinkedList<TreeNode> queue = new LinkedList<TreeNode>();
|
||||
|
||||
if (treeNode != null) {
|
||||
queue.add(treeNode);
|
||||
}
|
||||
|
||||
while (!queue.isEmpty()) {
|
||||
|
||||
TreeNode node = queue.poll();
|
||||
if (node.getLeftChild() != null)
|
||||
queue.add(node.getLeftChild());
|
||||
if (node.getRightChild() != null)
|
||||
queue.add(node.getRightChild());
|
||||
|
||||
TreeNode temp = node.getLeftChild();
|
||||
node.setLeftChild(node.getRightChild());
|
||||
node.setRightChild(temp);
|
||||
}
|
||||
}
|
||||
|
||||
public String toString(TreeNode root) {
|
||||
if (root == null) {
|
||||
return "";
|
||||
}
|
||||
|
||||
StringBuffer buffer = new StringBuffer(String.valueOf(root.getValue())).append(" ");
|
||||
|
||||
buffer.append(toString(root.getLeftChild()));
|
||||
buffer.append(toString(root.getRightChild()));
|
||||
|
||||
return buffer.toString();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
package com.baeldung.algorithms.reversingtree;
|
||||
|
||||
import static org.junit.jupiter.api.Assertions.assertEquals;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
public class TreeReverserUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenTreeWhenReversingRecursivelyThenReversed() {
|
||||
TreeReverser reverser = new TreeReverser();
|
||||
|
||||
TreeNode treeNode = reverser.createBinaryTree();
|
||||
|
||||
reverser.reverseRecursive(treeNode);
|
||||
|
||||
assertEquals("4 7 9 6 2 3 1", reverser.toString(treeNode)
|
||||
.trim());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTreeWhenReversingIterativelyThenReversed() {
|
||||
TreeReverser reverser = new TreeReverser();
|
||||
|
||||
TreeNode treeNode = reverser.createBinaryTree();
|
||||
|
||||
reverser.reverseIterative(treeNode);
|
||||
|
||||
assertEquals("4 7 9 6 2 3 1", reverser.toString(treeNode)
|
||||
.trim());
|
||||
}
|
||||
|
||||
}
|
||||
Binary file not shown.
|
Before Width: | Height: | Size: 9.1 KiB After Width: | Height: | Size: 9.4 KiB |
|
|
@ -49,7 +49,6 @@
|
|||
</build>
|
||||
|
||||
<properties>
|
||||
<lombok.version>1.16.12</lombok.version>
|
||||
<commons-math3.version>3.6.1</commons-math3.version>
|
||||
<org.assertj.core.version>3.9.0</org.assertj.core.version>
|
||||
<commons-codec.version>1.11</commons-codec.version>
|
||||
|
|
|
|||
|
|
@ -3,9 +3,9 @@
|
|||
<modelVersion>4.0.0</modelVersion>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>animal-sniffer-mvn-plugin</artifactId>
|
||||
<packaging>jar</packaging>
|
||||
<version>1.0-SNAPSHOT</version>
|
||||
<name>animal-sniffer-mvn-plugin</name>
|
||||
<packaging>jar</packaging>
|
||||
<url>http://maven.apache.org</url>
|
||||
|
||||
<parent>
|
||||
|
|
|
|||
|
|
@ -3,8 +3,8 @@
|
|||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>annotations</artifactId>
|
||||
<packaging>pom</packaging>
|
||||
<name>annotations</name>
|
||||
<packaging>pom</packaging>
|
||||
|
||||
<parent>
|
||||
<artifactId>parent-modules</artifactId>
|
||||
|
|
|
|||
|
|
@ -7,14 +7,6 @@
|
|||
<version>0.0.1-SNAPSHOT</version>
|
||||
<name>apache-avro</name>
|
||||
|
||||
<properties>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<compiler-plugin.version>3.5</compiler-plugin.version>
|
||||
<avro.version>1.8.2</avro.version>
|
||||
<java.version>1.8</java.version>
|
||||
<slf4j.version>1.7.25</slf4j.version>
|
||||
</properties>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-modules</artifactId>
|
||||
|
|
@ -85,4 +77,12 @@
|
|||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<compiler-plugin.version>3.5</compiler-plugin.version>
|
||||
<avro.version>1.8.2</avro.version>
|
||||
<slf4j.version>1.7.25</slf4j.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -3,8 +3,8 @@
|
|||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>apache-curator</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<packaging>jar</packaging>
|
||||
<name>apache-curator</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
|
|
@ -39,7 +39,7 @@
|
|||
<dependency>
|
||||
<groupId>com.fasterxml.jackson.core</groupId>
|
||||
<artifactId>jackson-databind</artifactId>
|
||||
<version>${jackson-databind.version}</version>
|
||||
<version>${jackson.version}</version>
|
||||
</dependency>
|
||||
<!-- test scoped -->
|
||||
<dependency>
|
||||
|
|
@ -59,7 +59,6 @@
|
|||
<properties>
|
||||
<curator.version>4.0.1</curator.version>
|
||||
<zookeeper.version>3.4.11</zookeeper.version>
|
||||
<jackson-databind.version>2.9.7</jackson-databind.version>
|
||||
<!-- testing -->
|
||||
<assertj.version>3.6.1</assertj.version>
|
||||
<avaitility.version>1.7.0</avaitility.version>
|
||||
|
|
|
|||
|
|
@ -12,22 +12,6 @@
|
|||
<artifactId>parent-modules</artifactId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
</parent>
|
||||
|
||||
<properties>
|
||||
<geode.core>1.6.0</geode.core>
|
||||
</properties>
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<configuration>
|
||||
<source>1.8</source>
|
||||
<target>1.8</target>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
|
|
@ -38,8 +22,24 @@
|
|||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<version>RELEASE</version>
|
||||
<version>${junit.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<configuration>
|
||||
<source>${java.version}</source>
|
||||
<target>${java.version}</target>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<geode.core>1.6.0</geode.core>
|
||||
</properties>
|
||||
</project>
|
||||
|
|
@ -7,51 +7,58 @@
|
|||
<name>apache-meecrowave</name>
|
||||
<description>A sample REST API application with Meecrowave</description>
|
||||
|
||||
<properties>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
</properties>
|
||||
<dependencies>
|
||||
<!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-core -->
|
||||
<dependency>
|
||||
<groupId>org.apache.meecrowave</groupId>
|
||||
<artifactId>meecrowave-core</artifactId>
|
||||
<version>1.2.1</version>
|
||||
<version>${meecrowave-core.version}</version>
|
||||
</dependency>
|
||||
<!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-jpa -->
|
||||
<dependency>
|
||||
<groupId>org.apache.meecrowave</groupId>
|
||||
<artifactId>meecrowave-jpa</artifactId>
|
||||
<version>1.2.1</version>
|
||||
<version>${meecrowave-jpa.version}</version>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>com.squareup.okhttp3</groupId>
|
||||
<artifactId>okhttp</artifactId>
|
||||
<version>3.10.0</version>
|
||||
<version>${okhttp.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.meecrowave</groupId>
|
||||
<artifactId>meecrowave-junit</artifactId>
|
||||
<version>1.2.0</version>
|
||||
<version>${meecrowave-junit.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<!-- https://mvnrepository.com/artifact/junit/junit -->
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<version>4.10</version>
|
||||
<version>${junit.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.meecrowave</groupId>
|
||||
<artifactId>meecrowave-maven-plugin</artifactId>
|
||||
<version>1.2.1</version>
|
||||
<version>${meecrowave-maven-plugin.version}</version>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<junit.version>4.10</junit.version>
|
||||
<meecrowave-junit.version>1.2.0</meecrowave-junit.version>
|
||||
<okhttp.version>3.10.0</okhttp.version>
|
||||
<meecrowave-jpa.version>1.2.1</meecrowave-jpa.version>
|
||||
<meecrowave-core.version>1.2.1</meecrowave-core.version>
|
||||
<meecrowave-maven-plugin.version>1.2.1</meecrowave-maven-plugin.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
|
@ -11,12 +11,14 @@
|
|||
<dependency>
|
||||
<groupId>org.apache.pulsar</groupId>
|
||||
<artifactId>pulsar-client</artifactId>
|
||||
<version>2.1.1-incubating</version>
|
||||
<version>${pulsar-client.version}</version>
|
||||
<scope>compile</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<properties>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<pulsar-client.version>2.1.1-incubating</pulsar-client.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -4,8 +4,8 @@
|
|||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>apache-solrj</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<packaging>jar</packaging>
|
||||
<name>apache-solrj</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
|
|||
### Relevant articles
|
||||
|
||||
- [Introduction to Apache Spark](http://www.baeldung.com/apache-spark)
|
||||
- [Building a Data Pipeline with Kafka, Spark Streaming and Cassandra](https://www.baeldung.com/kafka-spark-data-pipeline)
|
||||
|
|
|
|||
|
|
@ -4,8 +4,8 @@
|
|||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>apache-spark</artifactId>
|
||||
<version>1.0-SNAPSHOT</version>
|
||||
<packaging>jar</packaging>
|
||||
<name>apache-spark</name>
|
||||
<packaging>jar</packaging>
|
||||
<url>http://maven.apache.org</url>
|
||||
|
||||
<parent>
|
||||
|
|
@ -15,16 +15,77 @@
|
|||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<!-- https://mvnrepository.com/artifact/org.apache.spark/spark-core_2.10 -->
|
||||
<dependency>
|
||||
<groupId>org.apache.spark</groupId>
|
||||
<artifactId>spark-core_2.10</artifactId>
|
||||
<artifactId>spark-core_2.11</artifactId>
|
||||
<version>${org.apache.spark.spark-core.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.spark</groupId>
|
||||
<artifactId>spark-sql_2.11</artifactId>
|
||||
<version>${org.apache.spark.spark-sql.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.spark</groupId>
|
||||
<artifactId>spark-streaming_2.11</artifactId>
|
||||
<version>${org.apache.spark.spark-streaming.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.spark</groupId>
|
||||
<artifactId>spark-streaming-kafka-0-10_2.11</artifactId>
|
||||
<version>${org.apache.spark.spark-streaming-kafka.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.datastax.spark</groupId>
|
||||
<artifactId>spark-cassandra-connector_2.11</artifactId>
|
||||
<version>${com.datastax.spark.spark-cassandra-connector.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.datastax.spark</groupId>
|
||||
<artifactId>spark-cassandra-connector-java_2.11</artifactId>
|
||||
<version>${com.datastax.spark.spark-cassandra-connector-java.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<version>${maven-compiler-plugin.version}</version>
|
||||
<configuration>
|
||||
<source>${java.version}</source>
|
||||
<target>${java.version}</target>
|
||||
</configuration>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<artifactId>maven-assembly-plugin</artifactId>
|
||||
<executions>
|
||||
<execution>
|
||||
<phase>package</phase>
|
||||
<goals>
|
||||
<goal>single</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
<configuration>
|
||||
<descriptorRefs>
|
||||
<descriptorRef>jar-with-dependencies</descriptorRef>
|
||||
</descriptorRefs>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
<properties>
|
||||
<org.apache.spark.spark-core.version>2.2.0</org.apache.spark.spark-core.version>
|
||||
<org.apache.spark.spark-core.version>2.3.0</org.apache.spark.spark-core.version>
|
||||
<org.apache.spark.spark-sql.version>2.3.0</org.apache.spark.spark-sql.version>
|
||||
<org.apache.spark.spark-streaming.version>2.3.0</org.apache.spark.spark-streaming.version>
|
||||
<org.apache.spark.spark-streaming-kafka.version>2.3.0</org.apache.spark.spark-streaming-kafka.version>
|
||||
<com.datastax.spark.spark-cassandra-connector.version>2.3.0</com.datastax.spark.spark-cassandra-connector.version>
|
||||
<com.datastax.spark.spark-cassandra-connector-java.version>1.5.2</com.datastax.spark.spark-cassandra-connector-java.version>
|
||||
<maven-compiler-plugin.version>3.2</maven-compiler-plugin.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,25 @@
|
|||
package com.baeldung.data.pipeline;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
public class Word implements Serializable {
|
||||
private static final long serialVersionUID = 1L;
|
||||
private String word;
|
||||
private int count;
|
||||
Word(String word, int count) {
|
||||
this.word = word;
|
||||
this.count = count;
|
||||
}
|
||||
public String getWord() {
|
||||
return word;
|
||||
}
|
||||
public void setWord(String word) {
|
||||
this.word = word;
|
||||
}
|
||||
public int getCount() {
|
||||
return count;
|
||||
}
|
||||
public void setCount(int count) {
|
||||
this.count = count;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,80 @@
|
|||
package com.baeldung.data.pipeline;
|
||||
|
||||
import static com.datastax.spark.connector.japi.CassandraJavaUtil.javaFunctions;
|
||||
import static com.datastax.spark.connector.japi.CassandraJavaUtil.mapToRow;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collection;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.kafka.clients.consumer.ConsumerRecord;
|
||||
import org.apache.kafka.common.serialization.StringDeserializer;
|
||||
import org.apache.log4j.Level;
|
||||
import org.apache.log4j.Logger;
|
||||
import org.apache.spark.SparkConf;
|
||||
import org.apache.spark.api.java.JavaRDD;
|
||||
import org.apache.spark.streaming.Durations;
|
||||
import org.apache.spark.streaming.api.java.JavaDStream;
|
||||
import org.apache.spark.streaming.api.java.JavaInputDStream;
|
||||
import org.apache.spark.streaming.api.java.JavaPairDStream;
|
||||
import org.apache.spark.streaming.api.java.JavaStreamingContext;
|
||||
import org.apache.spark.streaming.kafka010.ConsumerStrategies;
|
||||
import org.apache.spark.streaming.kafka010.KafkaUtils;
|
||||
import org.apache.spark.streaming.kafka010.LocationStrategies;
|
||||
|
||||
import scala.Tuple2;
|
||||
|
||||
public class WordCountingApp {
|
||||
|
||||
public static void main(String[] args) throws InterruptedException {
|
||||
Logger.getLogger("org")
|
||||
.setLevel(Level.OFF);
|
||||
Logger.getLogger("akka")
|
||||
.setLevel(Level.OFF);
|
||||
|
||||
Map<String, Object> kafkaParams = new HashMap<>();
|
||||
kafkaParams.put("bootstrap.servers", "localhost:9092");
|
||||
kafkaParams.put("key.deserializer", StringDeserializer.class);
|
||||
kafkaParams.put("value.deserializer", StringDeserializer.class);
|
||||
kafkaParams.put("group.id", "use_a_separate_group_id_for_each_stream");
|
||||
kafkaParams.put("auto.offset.reset", "latest");
|
||||
kafkaParams.put("enable.auto.commit", false);
|
||||
|
||||
Collection<String> topics = Arrays.asList("messages");
|
||||
|
||||
SparkConf sparkConf = new SparkConf();
|
||||
sparkConf.setMaster("local[2]");
|
||||
sparkConf.setAppName("WordCountingApp");
|
||||
sparkConf.set("spark.cassandra.connection.host", "127.0.0.1");
|
||||
|
||||
JavaStreamingContext streamingContext = new JavaStreamingContext(sparkConf, Durations.seconds(1));
|
||||
|
||||
JavaInputDStream<ConsumerRecord<String, String>> messages = KafkaUtils.createDirectStream(streamingContext, LocationStrategies.PreferConsistent(), ConsumerStrategies.<String, String> Subscribe(topics, kafkaParams));
|
||||
|
||||
JavaPairDStream<String, String> results = messages.mapToPair(record -> new Tuple2<>(record.key(), record.value()));
|
||||
|
||||
JavaDStream<String> lines = results.map(tuple2 -> tuple2._2());
|
||||
|
||||
JavaDStream<String> words = lines.flatMap(x -> Arrays.asList(x.split("\\s+"))
|
||||
.iterator());
|
||||
|
||||
JavaPairDStream<String, Integer> wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1))
|
||||
.reduceByKey((i1, i2) -> i1 + i2);
|
||||
|
||||
wordCounts.foreachRDD(javaRdd -> {
|
||||
Map<String, Integer> wordCountMap = javaRdd.collectAsMap();
|
||||
for (String key : wordCountMap.keySet()) {
|
||||
List<Word> wordList = Arrays.asList(new Word(key, wordCountMap.get(key)));
|
||||
JavaRDD<Word> rdd = streamingContext.sparkContext()
|
||||
.parallelize(wordList);
|
||||
javaFunctions(rdd).writerBuilder("vocabulary", "words", mapToRow(Word.class))
|
||||
.saveToCassandra();
|
||||
}
|
||||
});
|
||||
|
||||
streamingContext.start();
|
||||
streamingContext.awaitTermination();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,97 @@
|
|||
package com.baeldung.data.pipeline;
|
||||
|
||||
import static com.datastax.spark.connector.japi.CassandraJavaUtil.javaFunctions;
|
||||
import static com.datastax.spark.connector.japi.CassandraJavaUtil.mapToRow;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collection;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.kafka.clients.consumer.ConsumerRecord;
|
||||
import org.apache.kafka.common.serialization.StringDeserializer;
|
||||
import org.apache.log4j.Level;
|
||||
import org.apache.log4j.Logger;
|
||||
import org.apache.spark.SparkConf;
|
||||
import org.apache.spark.api.java.JavaRDD;
|
||||
import org.apache.spark.api.java.JavaSparkContext;
|
||||
import org.apache.spark.api.java.function.Function2;
|
||||
import org.apache.spark.streaming.Durations;
|
||||
import org.apache.spark.streaming.StateSpec;
|
||||
import org.apache.spark.streaming.api.java.JavaDStream;
|
||||
import org.apache.spark.streaming.api.java.JavaInputDStream;
|
||||
import org.apache.spark.streaming.api.java.JavaMapWithStateDStream;
|
||||
import org.apache.spark.streaming.api.java.JavaPairDStream;
|
||||
import org.apache.spark.streaming.api.java.JavaStreamingContext;
|
||||
import org.apache.spark.streaming.kafka010.ConsumerStrategies;
|
||||
import org.apache.spark.streaming.kafka010.KafkaUtils;
|
||||
import org.apache.spark.streaming.kafka010.LocationStrategies;
|
||||
|
||||
import scala.Tuple2;
|
||||
|
||||
public class WordCountingAppWithCheckpoint {
|
||||
|
||||
public static JavaSparkContext sparkContext;
|
||||
|
||||
public static void main(String[] args) throws InterruptedException {
|
||||
|
||||
Logger.getLogger("org")
|
||||
.setLevel(Level.OFF);
|
||||
Logger.getLogger("akka")
|
||||
.setLevel(Level.OFF);
|
||||
|
||||
Map<String, Object> kafkaParams = new HashMap<>();
|
||||
kafkaParams.put("bootstrap.servers", "localhost:9092");
|
||||
kafkaParams.put("key.deserializer", StringDeserializer.class);
|
||||
kafkaParams.put("value.deserializer", StringDeserializer.class);
|
||||
kafkaParams.put("group.id", "use_a_separate_group_id_for_each_stream");
|
||||
kafkaParams.put("auto.offset.reset", "latest");
|
||||
kafkaParams.put("enable.auto.commit", false);
|
||||
|
||||
Collection<String> topics = Arrays.asList("messages");
|
||||
|
||||
SparkConf sparkConf = new SparkConf();
|
||||
sparkConf.setMaster("local[2]");
|
||||
sparkConf.setAppName("WordCountingAppWithCheckpoint");
|
||||
sparkConf.set("spark.cassandra.connection.host", "127.0.0.1");
|
||||
|
||||
JavaStreamingContext streamingContext = new JavaStreamingContext(sparkConf, Durations.seconds(1));
|
||||
|
||||
sparkContext = streamingContext.sparkContext();
|
||||
|
||||
streamingContext.checkpoint("./.checkpoint");
|
||||
|
||||
JavaInputDStream<ConsumerRecord<String, String>> messages = KafkaUtils.createDirectStream(streamingContext, LocationStrategies.PreferConsistent(), ConsumerStrategies.<String, String> Subscribe(topics, kafkaParams));
|
||||
|
||||
JavaPairDStream<String, String> results = messages.mapToPair(record -> new Tuple2<>(record.key(), record.value()));
|
||||
|
||||
JavaDStream<String> lines = results.map(tuple2 -> tuple2._2());
|
||||
|
||||
JavaDStream<String> words = lines.flatMap(x -> Arrays.asList(x.split("\\s+"))
|
||||
.iterator());
|
||||
|
||||
JavaPairDStream<String, Integer> wordCounts = words.mapToPair(s -> new Tuple2<>(s, 1))
|
||||
.reduceByKey((Function2<Integer, Integer, Integer>) (i1, i2) -> i1 + i2);
|
||||
|
||||
JavaMapWithStateDStream<String, Integer, Integer, Tuple2<String, Integer>> cumulativeWordCounts = wordCounts.mapWithState(StateSpec.function((word, one, state) -> {
|
||||
int sum = one.orElse(0) + (state.exists() ? state.get() : 0);
|
||||
Tuple2<String, Integer> output = new Tuple2<>(word, sum);
|
||||
state.update(sum);
|
||||
return output;
|
||||
}));
|
||||
|
||||
cumulativeWordCounts.foreachRDD(javaRdd -> {
|
||||
List<Tuple2<String, Integer>> wordCountList = javaRdd.collect();
|
||||
for (Tuple2<String, Integer> tuple : wordCountList) {
|
||||
List<Word> wordList = Arrays.asList(new Word(tuple._1, tuple._2));
|
||||
JavaRDD<Word> rdd = sparkContext.parallelize(wordList);
|
||||
javaFunctions(rdd).writerBuilder("vocabulary", "words", mapToRow(Word.class))
|
||||
.saveToCassandra();
|
||||
}
|
||||
});
|
||||
|
||||
streamingContext.start();
|
||||
streamingContext.awaitTermination();
|
||||
}
|
||||
}
|
||||
|
|
@ -4,8 +4,8 @@
|
|||
<groupId>com.baeldung</groupId>
|
||||
<version>0.1-SNAPSHOT</version>
|
||||
<artifactId>apache-velocity</artifactId>
|
||||
<packaging>war</packaging>
|
||||
<name>apache-velocity</name>
|
||||
<packaging>war</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
|
|
|
|||
|
|
@ -5,8 +5,8 @@
|
|||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>aws-lambda</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<packaging>jar</packaging>
|
||||
<name>aws-lambda</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<artifactId>parent-modules</artifactId>
|
||||
|
|
|
|||
|
|
@ -4,7 +4,6 @@
|
|||
- [AWS S3 with Java](http://www.baeldung.com/aws-s3-java)
|
||||
- [AWS Lambda With Java](http://www.baeldung.com/java-aws-lambda)
|
||||
- [Managing EC2 Instances in Java](http://www.baeldung.com/ec2-java)
|
||||
- [http://www.baeldung.com/aws-s3-multipart-upload](https://github.com/eugenp/tutorials/tree/master/aws)
|
||||
- [Multipart Uploads in Amazon S3 with Java](http://www.baeldung.com/aws-s3-multipart-upload)
|
||||
- [Integration Testing with a Local DynamoDB Instance](http://www.baeldung.com/dynamodb-local-integration-tests)
|
||||
- [Using the JetS3t Java Client With Amazon S3](http://www.baeldung.com/jets3t-amazon-s3)
|
||||
|
|
|
|||
|
|
@ -4,8 +4,8 @@
|
|||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>aws</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<packaging>jar</packaging>
|
||||
<name>aws</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
|
|
|
|||
46
axon/pom.xml
46
axon/pom.xml
|
|
@ -4,29 +4,61 @@
|
|||
<modelVersion>4.0.0</modelVersion>
|
||||
<artifactId>axon</artifactId>
|
||||
<name>axon</name>
|
||||
|
||||
<description>Basic Axon Framework with Spring Boot configuration tutorial</description>
|
||||
|
||||
<parent>
|
||||
<artifactId>parent-modules</artifactId>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
<artifactId>parent-boot-2</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../parent-boot-2</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.axonframework</groupId>
|
||||
<artifactId>axon-spring-boot-starter</artifactId>
|
||||
<version>${axon.version}</version>
|
||||
<exclusions>
|
||||
<exclusion>
|
||||
<groupId>org.axonframework</groupId>
|
||||
<artifactId>axon-server-connector</artifactId>
|
||||
</exclusion>
|
||||
</exclusions>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.axonframework</groupId>
|
||||
<artifactId>axon-test</artifactId>
|
||||
<version>${axon.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.axonframework</groupId>
|
||||
<artifactId>axon-core</artifactId>
|
||||
<version>${axon.version}</version>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-autoconfigure</artifactId>
|
||||
<version>${spring-boot.version}</version>
|
||||
<scope>compile</scope>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-web</artifactId>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-data-jpa</artifactId>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>com.h2database</groupId>
|
||||
<artifactId>h2</artifactId>
|
||||
<scope>runtime</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<properties>
|
||||
<axon.version>3.0.2</axon.version>
|
||||
<axon.version>4.0.3</axon.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
@ -1,54 +0,0 @@
|
|||
package com.baeldung.axon;
|
||||
|
||||
import com.baeldung.axon.aggregates.MessagesAggregate;
|
||||
import com.baeldung.axon.commands.CreateMessageCommand;
|
||||
import com.baeldung.axon.commands.MarkReadMessageCommand;
|
||||
import com.baeldung.axon.eventhandlers.MessagesEventHandler;
|
||||
import org.axonframework.commandhandling.AggregateAnnotationCommandHandler;
|
||||
import org.axonframework.commandhandling.CommandBus;
|
||||
import org.axonframework.commandhandling.SimpleCommandBus;
|
||||
import org.axonframework.commandhandling.gateway.CommandGateway;
|
||||
import org.axonframework.commandhandling.gateway.DefaultCommandGateway;
|
||||
import org.axonframework.eventhandling.AnnotationEventListenerAdapter;
|
||||
import org.axonframework.eventsourcing.EventSourcingRepository;
|
||||
import org.axonframework.eventsourcing.eventstore.EmbeddedEventStore;
|
||||
import org.axonframework.eventsourcing.eventstore.EventStore;
|
||||
import org.axonframework.eventsourcing.eventstore.inmemory.InMemoryEventStorageEngine;
|
||||
|
||||
import java.util.UUID;
|
||||
|
||||
public class MessagesRunner {
|
||||
|
||||
public static void main(String[] args) {
|
||||
CommandBus commandBus = new SimpleCommandBus();
|
||||
|
||||
CommandGateway commandGateway = new DefaultCommandGateway(commandBus);
|
||||
|
||||
EventStore eventStore = new EmbeddedEventStore(new InMemoryEventStorageEngine());
|
||||
|
||||
EventSourcingRepository<MessagesAggregate> repository =
|
||||
new EventSourcingRepository<>(MessagesAggregate.class, eventStore);
|
||||
|
||||
|
||||
AggregateAnnotationCommandHandler<MessagesAggregate> messagesAggregateAggregateAnnotationCommandHandler =
|
||||
new AggregateAnnotationCommandHandler<MessagesAggregate>(MessagesAggregate.class, repository);
|
||||
messagesAggregateAggregateAnnotationCommandHandler.subscribe(commandBus);
|
||||
|
||||
final AnnotationEventListenerAdapter annotationEventListenerAdapter =
|
||||
new AnnotationEventListenerAdapter(new MessagesEventHandler());
|
||||
eventStore.subscribe(eventMessages -> eventMessages.forEach(e -> {
|
||||
try {
|
||||
annotationEventListenerAdapter.handle(e);
|
||||
} catch (Exception e1) {
|
||||
throw new RuntimeException(e1);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
));
|
||||
|
||||
final String itemId = UUID.randomUUID().toString();
|
||||
commandGateway.send(new CreateMessageCommand(itemId, "Hello, how is your day? :-)"));
|
||||
commandGateway.send(new MarkReadMessageCommand(itemId));
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
package com.baeldung.axon;
|
||||
|
||||
import org.springframework.boot.SpringApplication;
|
||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||
|
||||
@SpringBootApplication
|
||||
public class OrderApplication {
|
||||
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(OrderApplication.class, args);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,36 +0,0 @@
|
|||
package com.baeldung.axon.aggregates;
|
||||
|
||||
import com.baeldung.axon.commands.CreateMessageCommand;
|
||||
import com.baeldung.axon.commands.MarkReadMessageCommand;
|
||||
import com.baeldung.axon.events.MessageCreatedEvent;
|
||||
import com.baeldung.axon.events.MessageReadEvent;
|
||||
import org.axonframework.commandhandling.CommandHandler;
|
||||
import org.axonframework.commandhandling.model.AggregateIdentifier;
|
||||
import org.axonframework.eventhandling.EventHandler;
|
||||
|
||||
import static org.axonframework.commandhandling.model.AggregateLifecycle.apply;
|
||||
|
||||
|
||||
public class MessagesAggregate {
|
||||
|
||||
@AggregateIdentifier
|
||||
private String id;
|
||||
|
||||
public MessagesAggregate() {
|
||||
}
|
||||
|
||||
@CommandHandler
|
||||
public MessagesAggregate(CreateMessageCommand command) {
|
||||
apply(new MessageCreatedEvent(command.getId(), command.getText()));
|
||||
}
|
||||
|
||||
@EventHandler
|
||||
public void on(MessageCreatedEvent event) {
|
||||
this.id = event.getId();
|
||||
}
|
||||
|
||||
@CommandHandler
|
||||
public void markRead(MarkReadMessageCommand command) {
|
||||
apply(new MessageReadEvent(id));
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,58 @@
|
|||
package com.baeldung.axon.commandmodel;
|
||||
|
||||
import static org.axonframework.modelling.command.AggregateLifecycle.apply;
|
||||
|
||||
import org.axonframework.commandhandling.CommandHandler;
|
||||
import org.axonframework.eventsourcing.EventSourcingHandler;
|
||||
import org.axonframework.modelling.command.AggregateIdentifier;
|
||||
import org.axonframework.spring.stereotype.Aggregate;
|
||||
|
||||
import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand;
|
||||
import com.baeldung.axon.coreapi.commands.PlaceOrderCommand;
|
||||
import com.baeldung.axon.coreapi.commands.ShipOrderCommand;
|
||||
import com.baeldung.axon.coreapi.events.OrderConfirmedEvent;
|
||||
import com.baeldung.axon.coreapi.events.OrderPlacedEvent;
|
||||
import com.baeldung.axon.coreapi.events.OrderShippedEvent;
|
||||
|
||||
@Aggregate
|
||||
public class OrderAggregate {
|
||||
|
||||
@AggregateIdentifier
|
||||
private String orderId;
|
||||
private boolean orderConfirmed;
|
||||
|
||||
@CommandHandler
|
||||
public OrderAggregate(PlaceOrderCommand command) {
|
||||
apply(new OrderPlacedEvent(command.getOrderId(), command.getProduct()));
|
||||
}
|
||||
|
||||
@CommandHandler
|
||||
public void handle(ConfirmOrderCommand command) {
|
||||
apply(new OrderConfirmedEvent(orderId));
|
||||
}
|
||||
|
||||
@CommandHandler
|
||||
public void handle(ShipOrderCommand command) {
|
||||
if (!orderConfirmed) {
|
||||
throw new IllegalStateException("Cannot ship an order which has not been confirmed yet.");
|
||||
}
|
||||
|
||||
apply(new OrderShippedEvent(orderId));
|
||||
}
|
||||
|
||||
@EventSourcingHandler
|
||||
public void on(OrderPlacedEvent event) {
|
||||
this.orderId = event.getOrderId();
|
||||
orderConfirmed = false;
|
||||
}
|
||||
|
||||
@EventSourcingHandler
|
||||
public void on(OrderConfirmedEvent event) {
|
||||
orderConfirmed = true;
|
||||
}
|
||||
|
||||
protected OrderAggregate() {
|
||||
// Required by Axon to build a default Aggregate prior to Event Sourcing
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,24 +0,0 @@
|
|||
package com.baeldung.axon.commands;
|
||||
|
||||
|
||||
import org.axonframework.commandhandling.TargetAggregateIdentifier;
|
||||
|
||||
public class CreateMessageCommand {
|
||||
|
||||
@TargetAggregateIdentifier
|
||||
private final String id;
|
||||
private final String text;
|
||||
|
||||
public CreateMessageCommand(String id, String text) {
|
||||
this.id = id;
|
||||
this.text = text;
|
||||
}
|
||||
|
||||
public String getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public String getText() {
|
||||
return text;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,18 +0,0 @@
|
|||
package com.baeldung.axon.commands;
|
||||
|
||||
|
||||
import org.axonframework.commandhandling.TargetAggregateIdentifier;
|
||||
|
||||
public class MarkReadMessageCommand {
|
||||
|
||||
@TargetAggregateIdentifier
|
||||
private final String id;
|
||||
|
||||
public MarkReadMessageCommand(String id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getId() {
|
||||
return id;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
package com.baeldung.axon.coreapi.commands;
|
||||
|
||||
import org.axonframework.modelling.command.TargetAggregateIdentifier;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
public class ConfirmOrderCommand {
|
||||
|
||||
@TargetAggregateIdentifier
|
||||
private final String orderId;
|
||||
|
||||
public ConfirmOrderCommand(String orderId) {
|
||||
this.orderId = orderId;
|
||||
}
|
||||
|
||||
public String getOrderId() {
|
||||
return orderId;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(orderId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null || getClass() != obj.getClass()) {
|
||||
return false;
|
||||
}
|
||||
final ConfirmOrderCommand other = (ConfirmOrderCommand) obj;
|
||||
return Objects.equals(this.orderId, other.orderId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "ConfirmOrderCommand{" +
|
||||
"orderId='" + orderId + '\'' +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
package com.baeldung.axon.coreapi.commands;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
import org.axonframework.modelling.command.TargetAggregateIdentifier;
|
||||
|
||||
public class PlaceOrderCommand {
|
||||
|
||||
@TargetAggregateIdentifier
|
||||
private final String orderId;
|
||||
private final String product;
|
||||
|
||||
public PlaceOrderCommand(String orderId, String product) {
|
||||
this.orderId = orderId;
|
||||
this.product = product;
|
||||
}
|
||||
|
||||
public String getOrderId() {
|
||||
return orderId;
|
||||
}
|
||||
|
||||
public String getProduct() {
|
||||
return product;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(orderId, product);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null || getClass() != obj.getClass()) {
|
||||
return false;
|
||||
}
|
||||
final PlaceOrderCommand other = (PlaceOrderCommand) obj;
|
||||
return Objects.equals(this.orderId, other.orderId)
|
||||
&& Objects.equals(this.product, other.product);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "PlaceOrderCommand{" +
|
||||
"orderId='" + orderId + '\'' +
|
||||
", product='" + product + '\'' +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
package com.baeldung.axon.coreapi.commands;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
import org.axonframework.modelling.command.TargetAggregateIdentifier;
|
||||
|
||||
public class ShipOrderCommand {
|
||||
|
||||
@TargetAggregateIdentifier
|
||||
private final String orderId;
|
||||
|
||||
public ShipOrderCommand(String orderId) {
|
||||
this.orderId = orderId;
|
||||
}
|
||||
|
||||
public String getOrderId() {
|
||||
return orderId;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(orderId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null || getClass() != obj.getClass()) {
|
||||
return false;
|
||||
}
|
||||
final ShipOrderCommand other = (ShipOrderCommand) obj;
|
||||
return Objects.equals(this.orderId, other.orderId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "ShipOrderCommand{" +
|
||||
"orderId='" + orderId + '\'' +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
package com.baeldung.axon.coreapi.events;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
public class OrderConfirmedEvent {
|
||||
|
||||
private final String orderId;
|
||||
|
||||
public OrderConfirmedEvent(String orderId) {
|
||||
this.orderId = orderId;
|
||||
}
|
||||
|
||||
public String getOrderId() {
|
||||
return orderId;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(orderId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null || getClass() != obj.getClass()) {
|
||||
return false;
|
||||
}
|
||||
final OrderConfirmedEvent other = (OrderConfirmedEvent) obj;
|
||||
return Objects.equals(this.orderId, other.orderId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "OrderConfirmedEvent{" +
|
||||
"orderId='" + orderId + '\'' +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,48 @@
|
|||
package com.baeldung.axon.coreapi.events;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
public class OrderPlacedEvent {
|
||||
|
||||
private final String orderId;
|
||||
private final String product;
|
||||
|
||||
public OrderPlacedEvent(String orderId, String product) {
|
||||
this.orderId = orderId;
|
||||
this.product = product;
|
||||
}
|
||||
|
||||
public String getOrderId() {
|
||||
return orderId;
|
||||
}
|
||||
|
||||
public String getProduct() {
|
||||
return product;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(orderId, product);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null || getClass() != obj.getClass()) {
|
||||
return false;
|
||||
}
|
||||
final OrderPlacedEvent other = (OrderPlacedEvent) obj;
|
||||
return Objects.equals(this.orderId, other.orderId)
|
||||
&& Objects.equals(this.product, other.product);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "OrderPlacedEvent{" +
|
||||
"orderId='" + orderId + '\'' +
|
||||
", product='" + product + '\'' +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
package com.baeldung.axon.coreapi.events;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
public class OrderShippedEvent {
|
||||
|
||||
private final String orderId;
|
||||
|
||||
public OrderShippedEvent(String orderId) {
|
||||
this.orderId = orderId;
|
||||
}
|
||||
|
||||
public String getOrderId() {
|
||||
return orderId;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(orderId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null || getClass() != obj.getClass()) {
|
||||
return false;
|
||||
}
|
||||
final OrderShippedEvent other = (OrderShippedEvent) obj;
|
||||
return Objects.equals(this.orderId, other.orderId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "OrderShippedEvent{" +
|
||||
"orderId='" + orderId + '\'' +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
package com.baeldung.axon.coreapi.queries;
|
||||
|
||||
public class FindAllOrderedProductsQuery {
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
package com.baeldung.axon.coreapi.queries;
|
||||
|
||||
public enum OrderStatus {
|
||||
|
||||
PLACED, CONFIRMED, SHIPPED
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
package com.baeldung.axon.coreapi.queries;
|
||||
|
||||
import java.util.Objects;
|
||||
|
||||
public class OrderedProduct {
|
||||
|
||||
private final String orderId;
|
||||
private final String product;
|
||||
private OrderStatus orderStatus;
|
||||
|
||||
public OrderedProduct(String orderId, String product) {
|
||||
this.orderId = orderId;
|
||||
this.product = product;
|
||||
orderStatus = OrderStatus.PLACED;
|
||||
}
|
||||
|
||||
public String getOrderId() {
|
||||
return orderId;
|
||||
}
|
||||
|
||||
public String getProduct() {
|
||||
return product;
|
||||
}
|
||||
|
||||
public OrderStatus getOrderStatus() {
|
||||
return orderStatus;
|
||||
}
|
||||
|
||||
public void setOrderConfirmed() {
|
||||
this.orderStatus = OrderStatus.CONFIRMED;
|
||||
}
|
||||
|
||||
public void setOrderShipped() {
|
||||
this.orderStatus = OrderStatus.SHIPPED;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(orderId, product, orderStatus);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj) {
|
||||
return true;
|
||||
}
|
||||
if (obj == null || getClass() != obj.getClass()) {
|
||||
return false;
|
||||
}
|
||||
final OrderedProduct other = (OrderedProduct) obj;
|
||||
return Objects.equals(this.orderId, other.orderId)
|
||||
&& Objects.equals(this.product, other.product)
|
||||
&& Objects.equals(this.orderStatus, other.orderStatus);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "OrderedProduct{" +
|
||||
"orderId='" + orderId + '\'' +
|
||||
", product='" + product + '\'' +
|
||||
", orderStatus=" + orderStatus +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
|
|
@ -1,19 +0,0 @@
|
|||
package com.baeldung.axon.eventhandlers;
|
||||
|
||||
import com.baeldung.axon.events.MessageReadEvent;
|
||||
import com.baeldung.axon.events.MessageCreatedEvent;
|
||||
import org.axonframework.eventhandling.EventHandler;
|
||||
|
||||
|
||||
public class MessagesEventHandler {
|
||||
|
||||
@EventHandler
|
||||
public void handle(MessageCreatedEvent event) {
|
||||
System.out.println("Message received: " + event.getText() + " (" + event.getId() + ")");
|
||||
}
|
||||
|
||||
@EventHandler
|
||||
public void handle(MessageReadEvent event) {
|
||||
System.out.println("Message read: " + event.getId());
|
||||
}
|
||||
}
|
||||
|
|
@ -1,20 +0,0 @@
|
|||
package com.baeldung.axon.events;
|
||||
|
||||
public class MessageCreatedEvent {
|
||||
|
||||
private final String id;
|
||||
private final String text;
|
||||
|
||||
public MessageCreatedEvent(String id, String text) {
|
||||
this.id = id;
|
||||
this.text = text;
|
||||
}
|
||||
|
||||
public String getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public String getText() {
|
||||
return text;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,14 +0,0 @@
|
|||
package com.baeldung.axon.events;
|
||||
|
||||
public class MessageReadEvent {
|
||||
|
||||
private final String id;
|
||||
|
||||
public MessageReadEvent(String id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getId() {
|
||||
return id;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
package com.baeldung.axon.gui;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.UUID;
|
||||
|
||||
import org.axonframework.commandhandling.gateway.CommandGateway;
|
||||
import org.axonframework.messaging.responsetypes.ResponseTypes;
|
||||
import org.axonframework.queryhandling.QueryGateway;
|
||||
import org.springframework.web.bind.annotation.GetMapping;
|
||||
import org.springframework.web.bind.annotation.PostMapping;
|
||||
import org.springframework.web.bind.annotation.RestController;
|
||||
|
||||
import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand;
|
||||
import com.baeldung.axon.coreapi.commands.PlaceOrderCommand;
|
||||
import com.baeldung.axon.coreapi.commands.ShipOrderCommand;
|
||||
import com.baeldung.axon.coreapi.queries.FindAllOrderedProductsQuery;
|
||||
import com.baeldung.axon.coreapi.queries.OrderedProduct;
|
||||
|
||||
@RestController
|
||||
public class OrderRestEndpoint {
|
||||
|
||||
private final CommandGateway commandGateway;
|
||||
private final QueryGateway queryGateway;
|
||||
|
||||
public OrderRestEndpoint(CommandGateway commandGateway, QueryGateway queryGateway) {
|
||||
this.commandGateway = commandGateway;
|
||||
this.queryGateway = queryGateway;
|
||||
}
|
||||
|
||||
@PostMapping("/ship-order")
|
||||
public void shipOrder() {
|
||||
String orderId = UUID.randomUUID().toString();
|
||||
commandGateway.send(new PlaceOrderCommand(orderId, "Deluxe Chair"));
|
||||
commandGateway.send(new ConfirmOrderCommand(orderId));
|
||||
commandGateway.send(new ShipOrderCommand(orderId));
|
||||
}
|
||||
|
||||
@PostMapping("/ship-unconfirmed-order")
|
||||
public void shipUnconfirmedOrder() {
|
||||
String orderId = UUID.randomUUID().toString();
|
||||
commandGateway.send(new PlaceOrderCommand(orderId, "Deluxe Chair"));
|
||||
// This throws an exception, as an Order cannot be shipped if it has not been confirmed yet.
|
||||
commandGateway.send(new ShipOrderCommand(orderId));
|
||||
}
|
||||
|
||||
@GetMapping("/all-orders")
|
||||
public List<OrderedProduct> findAllOrderedProducts() {
|
||||
return queryGateway.query(new FindAllOrderedProductsQuery(), ResponseTypes.multipleInstancesOf(OrderedProduct.class))
|
||||
.join();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,50 @@
|
|||
package com.baeldung.axon.querymodel;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.axonframework.eventhandling.EventHandler;
|
||||
import org.axonframework.queryhandling.QueryHandler;
|
||||
import org.springframework.stereotype.Service;
|
||||
|
||||
import com.baeldung.axon.coreapi.events.OrderConfirmedEvent;
|
||||
import com.baeldung.axon.coreapi.events.OrderPlacedEvent;
|
||||
import com.baeldung.axon.coreapi.events.OrderShippedEvent;
|
||||
import com.baeldung.axon.coreapi.queries.FindAllOrderedProductsQuery;
|
||||
import com.baeldung.axon.coreapi.queries.OrderedProduct;
|
||||
|
||||
@Service
|
||||
public class OrderedProductsEventHandler {
|
||||
|
||||
private final Map<String, OrderedProduct> orderedProducts = new HashMap<>();
|
||||
|
||||
@EventHandler
|
||||
public void on(OrderPlacedEvent event) {
|
||||
String orderId = event.getOrderId();
|
||||
orderedProducts.put(orderId, new OrderedProduct(orderId, event.getProduct()));
|
||||
}
|
||||
|
||||
@EventHandler
|
||||
public void on(OrderConfirmedEvent event) {
|
||||
orderedProducts.computeIfPresent(event.getOrderId(), (orderId, orderedProduct) -> {
|
||||
orderedProduct.setOrderConfirmed();
|
||||
return orderedProduct;
|
||||
});
|
||||
}
|
||||
|
||||
@EventHandler
|
||||
public void on(OrderShippedEvent event) {
|
||||
orderedProducts.computeIfPresent(event.getOrderId(), (orderId, orderedProduct) -> {
|
||||
orderedProduct.setOrderShipped();
|
||||
return orderedProduct;
|
||||
});
|
||||
}
|
||||
|
||||
@QueryHandler
|
||||
public List<OrderedProduct> handle(FindAllOrderedProductsQuery query) {
|
||||
return new ArrayList<>(orderedProducts.values());
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
POST http://localhost:8080/ship-order
|
||||
|
||||
###
|
||||
|
||||
POST http://localhost:8080/ship-unconfirmed-order
|
||||
|
||||
###
|
||||
|
||||
GET http://localhost:8080/all-orders
|
||||
|
||||
###
|
||||
|
|
@ -1,42 +0,0 @@
|
|||
package com.baeldung.axon;
|
||||
|
||||
import com.baeldung.axon.aggregates.MessagesAggregate;
|
||||
import com.baeldung.axon.commands.CreateMessageCommand;
|
||||
import com.baeldung.axon.commands.MarkReadMessageCommand;
|
||||
import com.baeldung.axon.events.MessageCreatedEvent;
|
||||
import com.baeldung.axon.events.MessageReadEvent;
|
||||
import org.axonframework.test.aggregate.AggregateTestFixture;
|
||||
import org.axonframework.test.aggregate.FixtureConfiguration;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.UUID;
|
||||
|
||||
public class MessagesAggregateIntegrationTest {
|
||||
|
||||
private FixtureConfiguration<MessagesAggregate> fixture;
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
fixture = new AggregateTestFixture<MessagesAggregate>(MessagesAggregate.class);
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void giveAggregateRoot_whenCreateMessageCommand_thenShouldProduceMessageCreatedEvent() throws Exception {
|
||||
String eventText = "Hello, how is your day?";
|
||||
String id = UUID.randomUUID().toString();
|
||||
fixture.given()
|
||||
.when(new CreateMessageCommand(id, eventText))
|
||||
.expectEvents(new MessageCreatedEvent(id, eventText));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenMessageCreatedEvent_whenReadMessageCommand_thenShouldProduceMessageReadEvent() throws Exception {
|
||||
String id = UUID.randomUUID().toString();
|
||||
|
||||
fixture.given(new MessageCreatedEvent(id, "Hello :-)"))
|
||||
.when(new MarkReadMessageCommand(id))
|
||||
.expectEvents(new MessageReadEvent(id));
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
package com.baeldung.axon.commandmodel;
|
||||
|
||||
import java.util.UUID;
|
||||
|
||||
import org.axonframework.test.aggregate.AggregateTestFixture;
|
||||
import org.axonframework.test.aggregate.FixtureConfiguration;
|
||||
import org.junit.*;
|
||||
|
||||
import com.baeldung.axon.coreapi.commands.ConfirmOrderCommand;
|
||||
import com.baeldung.axon.coreapi.commands.PlaceOrderCommand;
|
||||
import com.baeldung.axon.coreapi.commands.ShipOrderCommand;
|
||||
import com.baeldung.axon.coreapi.events.OrderConfirmedEvent;
|
||||
import com.baeldung.axon.coreapi.events.OrderPlacedEvent;
|
||||
import com.baeldung.axon.coreapi.events.OrderShippedEvent;
|
||||
|
||||
public class OrderAggregateUnitTest {
|
||||
|
||||
private FixtureConfiguration<OrderAggregate> fixture;
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
fixture = new AggregateTestFixture<>(OrderAggregate.class);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void giveNoPriorActivity_whenPlaceOrderCommand_thenShouldPublishOrderPlacedEvent() {
|
||||
String orderId = UUID.randomUUID().toString();
|
||||
String product = "Deluxe Chair";
|
||||
fixture.givenNoPriorActivity()
|
||||
.when(new PlaceOrderCommand(orderId, product))
|
||||
.expectEvents(new OrderPlacedEvent(orderId, product));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenOrderPlacedEvent_whenConfirmOrderCommand_thenShouldPublishOrderConfirmedEvent() {
|
||||
String orderId = UUID.randomUUID().toString();
|
||||
String product = "Deluxe Chair";
|
||||
fixture.given(new OrderPlacedEvent(orderId, product))
|
||||
.when(new ConfirmOrderCommand(orderId))
|
||||
.expectEvents(new OrderConfirmedEvent(orderId));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenOrderPlacedEvent_whenShipOrderCommand_thenShouldThrowIllegalStateException() {
|
||||
String orderId = UUID.randomUUID().toString();
|
||||
String product = "Deluxe Chair";
|
||||
fixture.given(new OrderPlacedEvent(orderId, product))
|
||||
.when(new ShipOrderCommand(orderId))
|
||||
.expectException(IllegalStateException.class);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenOrderPlacedEventAndOrderConfirmedEvent_whenShipOrderCommand_thenShouldPublishOrderShippedEvent() {
|
||||
String orderId = UUID.randomUUID().toString();
|
||||
String product = "Deluxe Chair";
|
||||
fixture.given(new OrderPlacedEvent(orderId, product), new OrderConfirmedEvent(orderId))
|
||||
.when(new ShipOrderCommand(orderId))
|
||||
.expectEvents(new OrderShippedEvent(orderId));
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -5,9 +5,9 @@
|
|||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>azure</artifactId>
|
||||
<version>0.1</version>
|
||||
<packaging>war</packaging>
|
||||
<name>azure</name>
|
||||
<description>Demo project for Spring Boot on Azure</description>
|
||||
<packaging>war</packaging>
|
||||
|
||||
<parent>
|
||||
<artifactId>parent-boot-2</artifactId>
|
||||
|
|
@ -127,7 +127,6 @@
|
|||
<docker.image.prefix>${azure.containerRegistry}.azurecr.io</docker.image.prefix>
|
||||
<docker-maven-plugin.version>1.1.0</docker-maven-plugin.version>
|
||||
<azure-webapp-maven-plugin.version>1.1.0</azure-webapp-maven-plugin.version>
|
||||
<java.version>1.8</java.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,5 @@
|
|||
### Relevant Articles:
|
||||
|
||||
- [Blade - A Complete GuideBook](http://www.baeldung.com/blade)
|
||||
|
||||
Run Integration Tests with `mvn integration-test`
|
||||
|
|
@ -0,0 +1,205 @@
|
|||
<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>
|
||||
<!-- WITH THIS mvn integration-test DOES WORK -->
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>blade</artifactId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
<name>blade</name>
|
||||
|
||||
|
||||
<!-- WITH THIS mvn integration-test DOESN'T WORK -->
|
||||
<!-- <parent> -->
|
||||
<!-- <groupId>com.baeldung</groupId> -->
|
||||
<!-- <artifactId>parent-modules</artifactId> -->
|
||||
<!-- <version>1.0.0-SNAPSHOT</version> -->
|
||||
<!-- </parent> -->
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>com.bladejava</groupId>
|
||||
<artifactId>blade-mvc</artifactId>
|
||||
<version>${blade-mvc.version}</version>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.webjars</groupId>
|
||||
<artifactId>bootstrap</artifactId>
|
||||
<version>${bootstrap.version}</version>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.apache.commons</groupId>
|
||||
<artifactId>commons-lang3</artifactId>
|
||||
<version>${commons-lang3.version}</version>
|
||||
</dependency>
|
||||
|
||||
<!-- PROVIDED -->
|
||||
<dependency>
|
||||
<groupId>org.projectlombok</groupId>
|
||||
<artifactId>lombok</artifactId>
|
||||
<version>${lombok.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
|
||||
<!-- TEST -->
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<version>${junit.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.assertj</groupId>
|
||||
<artifactId>assertj-core</artifactId>
|
||||
<version>${assertj-core.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.httpcomponents</groupId>
|
||||
<artifactId>httpclient</artifactId>
|
||||
<version>${httpclient.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.httpcomponents</groupId>
|
||||
<artifactId>httpmime</artifactId>
|
||||
<version>${httpmime.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.httpcomponents</groupId>
|
||||
<artifactId>httpcore</artifactId>
|
||||
<version>${httpcore.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
<build>
|
||||
<finalName>sample-blade-app</finalName>
|
||||
<plugins>
|
||||
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-surefire-plugin</artifactId>
|
||||
<version>${maven-surefire-plugin.version}</version>
|
||||
<configuration>
|
||||
<forkCount>3</forkCount>
|
||||
<reuseForks>true</reuseForks>
|
||||
<excludes>
|
||||
<exclude>**/*LiveTest.java</exclude>
|
||||
</excludes>
|
||||
</configuration>
|
||||
</plugin>
|
||||
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-failsafe-plugin</artifactId>
|
||||
<version>${maven-failsafe-plugin.version}</version>
|
||||
<configuration>
|
||||
<includes>
|
||||
<include>**/*LiveTest.java</include>
|
||||
</includes>
|
||||
</configuration>
|
||||
<executions>
|
||||
<execution>
|
||||
<goals>
|
||||
<goal>integration-test</goal>
|
||||
<goal>verify</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
|
||||
<plugin>
|
||||
<groupId>com.bazaarvoice.maven.plugins</groupId>
|
||||
<artifactId>process-exec-maven-plugin</artifactId>
|
||||
<version>${process-exec-maven-plugin.version}</version>
|
||||
<executions>
|
||||
<!--Start Blade -->
|
||||
<execution>
|
||||
<id>blade-process</id>
|
||||
<phase>pre-integration-test</phase>
|
||||
<goals>
|
||||
<goal>start</goal>
|
||||
</goals>
|
||||
<configuration>
|
||||
<name>Blade</name>
|
||||
<waitForInterrupt>false</waitForInterrupt>
|
||||
<arguments>
|
||||
<argument>java</argument>
|
||||
<argument>-jar</argument>
|
||||
<argument>sample-blade-app.jar</argument>
|
||||
</arguments>
|
||||
</configuration>
|
||||
</execution>
|
||||
|
||||
<!--Stop all processes in reverse order -->
|
||||
<execution>
|
||||
<id>stop-all</id>
|
||||
<phase>post-integration-test</phase>
|
||||
<goals>
|
||||
<goal>stop-all</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
|
||||
|
||||
<plugin>
|
||||
<artifactId>maven-assembly-plugin</artifactId>
|
||||
<version>3.1.0</version>
|
||||
<configuration>
|
||||
<finalName>${project.build.finalName}</finalName>
|
||||
<appendAssemblyId>false</appendAssemblyId>
|
||||
<archive>
|
||||
<manifest>
|
||||
<mainClass>com.baeldung.blade.sample.App</mainClass>
|
||||
</manifest>
|
||||
</archive>
|
||||
<descriptorRefs>
|
||||
<descriptorRef>jar-with-dependencies</descriptorRef>
|
||||
</descriptorRefs>
|
||||
</configuration>
|
||||
<executions>
|
||||
<execution>
|
||||
<id>make-assembly</id>
|
||||
<phase>package</phase>
|
||||
<goals>
|
||||
<goal>single</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<version>${maven-compiler-plugin.version}</version>
|
||||
<configuration>
|
||||
<source>${maven.compiler.source}</source>
|
||||
<target>${maven.compiler.target}</target>
|
||||
<encoding>UTF-8</encoding>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<blade-mvc.version>2.0.14.RELEASE</blade-mvc.version>
|
||||
<bootstrap.version>4.2.1</bootstrap.version>
|
||||
<commons-lang3.version>3.8.1</commons-lang3.version>
|
||||
<lombok.version>1.18.4</lombok.version>
|
||||
<junit.version>4.12</junit.version>
|
||||
<httpclient.version>4.5.6</httpclient.version>
|
||||
<httpmime.version>4.5.6</httpmime.version>
|
||||
<httpcore.version>4.4.10</httpcore.version>
|
||||
<assertj-core.version>3.11.1</assertj-core.version>
|
||||
<maven-failsafe-plugin.version>3.0.0-M3</maven-failsafe-plugin.version>
|
||||
<process-exec-maven-plugin.version>0.7</process-exec-maven-plugin.version>
|
||||
<maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
|
||||
<maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
package com.baeldung.blade.sample;
|
||||
|
||||
import com.baeldung.blade.sample.interceptors.BaeldungMiddleware;
|
||||
import com.blade.Blade;
|
||||
import com.blade.event.EventType;
|
||||
import com.blade.mvc.WebContext;
|
||||
import com.blade.mvc.http.Session;
|
||||
|
||||
public class App {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(App.class);
|
||||
|
||||
public static void main(String[] args) {
|
||||
|
||||
Blade.of()
|
||||
.get("/", ctx -> ctx.render("index.html"))
|
||||
.get("/basic-route-example", ctx -> ctx.text("GET called"))
|
||||
.post("/basic-route-example", ctx -> ctx.text("POST called"))
|
||||
.put("/basic-route-example", ctx -> ctx.text("PUT called"))
|
||||
.delete("/basic-route-example", ctx -> ctx.text("DELETE called"))
|
||||
.addStatics("/custom-static")
|
||||
// .showFileList(true)
|
||||
.enableCors(true)
|
||||
.before("/user/*", ctx -> log.info("[NarrowedHook] Before '/user/*', URL called: " + ctx.uri()))
|
||||
.on(EventType.SERVER_STARTED, e -> {
|
||||
String version = WebContext.blade()
|
||||
.env("app.version")
|
||||
.orElse("N/D");
|
||||
log.info("[Event::serverStarted] Loading 'app.version' from configuration, value: " + version);
|
||||
})
|
||||
.on(EventType.SESSION_CREATED, e -> {
|
||||
Session session = (Session) e.attribute("session");
|
||||
session.attribute("mySessionValue", "Baeldung");
|
||||
})
|
||||
.use(new BaeldungMiddleware())
|
||||
.start(App.class, args);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
package com.baeldung.blade.sample;
|
||||
|
||||
import com.blade.mvc.annotation.GetRoute;
|
||||
import com.blade.mvc.annotation.Path;
|
||||
import com.blade.mvc.http.Request;
|
||||
import com.blade.mvc.http.Response;
|
||||
import com.blade.mvc.http.Session;
|
||||
|
||||
@Path
|
||||
public class AttributesExampleController {
|
||||
|
||||
public final static String REQUEST_VALUE = "Some Request value";
|
||||
public final static String SESSION_VALUE = "1337";
|
||||
public final static String HEADER = "Some Header";
|
||||
|
||||
@GetRoute("/request-attribute-example")
|
||||
public void getRequestAttribute(Request request, Response response) {
|
||||
request.attribute("request-val", REQUEST_VALUE);
|
||||
String requestVal = request.attribute("request-val");
|
||||
response.text(requestVal);
|
||||
}
|
||||
|
||||
@GetRoute("/session-attribute-example")
|
||||
public void getSessionAttribute(Request request, Response response) {
|
||||
Session session = request.session();
|
||||
session.attribute("session-val", SESSION_VALUE);
|
||||
String sessionVal = session.attribute("session-val");
|
||||
response.text(sessionVal);
|
||||
}
|
||||
|
||||
@GetRoute("/header-example")
|
||||
public void getHeader(Request request, Response response) {
|
||||
String headerVal = request.header("a-header", HEADER);
|
||||
response.header("a-header", headerVal);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,22 @@
|
|||
package com.baeldung.blade.sample;
|
||||
|
||||
import com.blade.mvc.annotation.Path;
|
||||
import com.blade.mvc.annotation.Route;
|
||||
import com.blade.mvc.http.Response;
|
||||
|
||||
@Path
|
||||
public class LogExampleController {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LogExampleController.class);
|
||||
|
||||
@Route(value = "/test-logs")
|
||||
public void testLogs(Response response) {
|
||||
log.trace("This is a TRACE Message");
|
||||
log.debug("This is a DEBUG Message");
|
||||
log.info("This is an INFO Message");
|
||||
log.warn("This is a WARN Message");
|
||||
log.error("This is an ERROR Message");
|
||||
response.text("Check in ./logs");
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
package com.baeldung.blade.sample;
|
||||
|
||||
import java.nio.file.Files;
|
||||
import java.nio.file.StandardOpenOption;
|
||||
|
||||
import com.baeldung.blade.sample.vo.User;
|
||||
import com.blade.mvc.annotation.CookieParam;
|
||||
import com.blade.mvc.annotation.GetRoute;
|
||||
import com.blade.mvc.annotation.HeaderParam;
|
||||
import com.blade.mvc.annotation.JSON;
|
||||
import com.blade.mvc.annotation.MultipartParam;
|
||||
import com.blade.mvc.annotation.Param;
|
||||
import com.blade.mvc.annotation.Path;
|
||||
import com.blade.mvc.annotation.PathParam;
|
||||
import com.blade.mvc.annotation.PostRoute;
|
||||
import com.blade.mvc.http.Response;
|
||||
import com.blade.mvc.multipart.FileItem;
|
||||
import com.blade.mvc.ui.RestResponse;
|
||||
|
||||
@Path
|
||||
public class ParameterInjectionExampleController {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ParameterInjectionExampleController.class);
|
||||
|
||||
@GetRoute("/params/form")
|
||||
public void formParam(@Param String name, Response response) {
|
||||
log.info("name: " + name);
|
||||
response.text(name);
|
||||
}
|
||||
|
||||
@GetRoute("/params/path/:uid")
|
||||
public void restfulParam(@PathParam Integer uid, Response response) {
|
||||
log.info("uid: " + uid);
|
||||
response.text(String.valueOf(uid));
|
||||
}
|
||||
|
||||
@PostRoute("/params-file") // DO NOT USE A SLASH WITHIN THE ROUTE OR IT WILL BREAK (?)
|
||||
@JSON
|
||||
public RestResponse<?> fileParam(@MultipartParam FileItem fileItem) throws Exception {
|
||||
try {
|
||||
byte[] fileContent = fileItem.getData();
|
||||
|
||||
log.debug("Saving the uploaded file");
|
||||
java.nio.file.Path tempFile = Files.createTempFile("baeldung_tempfiles", ".tmp");
|
||||
Files.write(tempFile, fileContent, StandardOpenOption.WRITE);
|
||||
|
||||
return RestResponse.ok();
|
||||
} catch (Exception e) {
|
||||
log.error(e.getMessage(), e);
|
||||
return RestResponse.fail(e.getMessage());
|
||||
}
|
||||
}
|
||||
|
||||
@GetRoute("/params/header")
|
||||
public void headerParam(@HeaderParam String customheader, Response response) {
|
||||
log.info("Custom header: " + customheader);
|
||||
response.text(customheader);
|
||||
}
|
||||
|
||||
@GetRoute("/params/cookie")
|
||||
public void cookieParam(@CookieParam(defaultValue = "default value") String myCookie, Response response) {
|
||||
log.info("myCookie: " + myCookie);
|
||||
response.text(myCookie);
|
||||
}
|
||||
|
||||
@PostRoute("/params/vo")
|
||||
public void voParam(@Param User user, Response response) {
|
||||
log.info("user as voParam: " + user.toString());
|
||||
response.html(user.toString() + "<br/><br/><a href='/'>Back</a>");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
package com.baeldung.blade.sample;
|
||||
|
||||
import com.baeldung.blade.sample.configuration.BaeldungException;
|
||||
import com.blade.mvc.WebContext;
|
||||
import com.blade.mvc.annotation.DeleteRoute;
|
||||
import com.blade.mvc.annotation.GetRoute;
|
||||
import com.blade.mvc.annotation.Path;
|
||||
import com.blade.mvc.annotation.PostRoute;
|
||||
import com.blade.mvc.annotation.PutRoute;
|
||||
import com.blade.mvc.annotation.Route;
|
||||
import com.blade.mvc.http.HttpMethod;
|
||||
import com.blade.mvc.http.Request;
|
||||
import com.blade.mvc.http.Response;
|
||||
|
||||
@Path
|
||||
public class RouteExampleController {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(RouteExampleController.class);
|
||||
|
||||
@GetRoute("/route-example")
|
||||
public String get() {
|
||||
return "get.html";
|
||||
}
|
||||
|
||||
@PostRoute("/route-example")
|
||||
public String post() {
|
||||
return "post.html";
|
||||
}
|
||||
|
||||
@PutRoute("/route-example")
|
||||
public String put() {
|
||||
return "put.html";
|
||||
}
|
||||
|
||||
@DeleteRoute("/route-example")
|
||||
public String delete() {
|
||||
return "delete.html";
|
||||
}
|
||||
|
||||
@Route(value = "/another-route-example", method = HttpMethod.GET)
|
||||
public String anotherGet() {
|
||||
return "get.html";
|
||||
}
|
||||
|
||||
@Route(value = "/allmatch-route-example")
|
||||
public String allmatch() {
|
||||
return "allmatch.html";
|
||||
}
|
||||
|
||||
@Route(value = "/triggerInternalServerError")
|
||||
public void triggerInternalServerError() {
|
||||
int x = 1 / 0;
|
||||
}
|
||||
|
||||
@Route(value = "/triggerBaeldungException")
|
||||
public void triggerBaeldungException() throws BaeldungException {
|
||||
throw new BaeldungException("Foobar Exception to threat differently");
|
||||
}
|
||||
|
||||
@Route(value = "/user/foo")
|
||||
public void urlCoveredByNarrowedWebhook(Response response) {
|
||||
response.text("Check out for the WebHook covering '/user/*' in the logs");
|
||||
}
|
||||
|
||||
@GetRoute("/load-configuration-in-a-route")
|
||||
public void loadConfigurationInARoute(Response response) {
|
||||
String authors = WebContext.blade()
|
||||
.env("app.authors", "Unknown authors");
|
||||
log.info("[/load-configuration-in-a-route] Loading 'app.authors' from configuration, value: " + authors);
|
||||
response.render("index.html");
|
||||
}
|
||||
|
||||
@GetRoute("/template-output-test")
|
||||
public void templateOutputTest(Request request, Response response) {
|
||||
request.attribute("name", "Blade");
|
||||
response.render("template-output-test.html");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
package com.baeldung.blade.sample.configuration;
|
||||
|
||||
public class BaeldungException extends RuntimeException {
|
||||
|
||||
public BaeldungException(String message) {
|
||||
super(message);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,25 @@
|
|||
package com.baeldung.blade.sample.configuration;
|
||||
|
||||
import com.blade.ioc.annotation.Bean;
|
||||
import com.blade.mvc.WebContext;
|
||||
import com.blade.mvc.handler.DefaultExceptionHandler;
|
||||
|
||||
@Bean
|
||||
public class GlobalExceptionHandler extends DefaultExceptionHandler {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(GlobalExceptionHandler.class);
|
||||
|
||||
@Override
|
||||
public void handle(Exception e) {
|
||||
if (e instanceof BaeldungException) {
|
||||
Exception baeldungException = (BaeldungException) e;
|
||||
String msg = baeldungException.getMessage();
|
||||
log.error("[GlobalExceptionHandler] Intercepted an exception to threat with additional logic. Error message: " + msg);
|
||||
WebContext.response()
|
||||
.render("index.html");
|
||||
|
||||
} else {
|
||||
super.handle(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,23 @@
|
|||
package com.baeldung.blade.sample.configuration;
|
||||
|
||||
import com.blade.Blade;
|
||||
import com.blade.ioc.annotation.Bean;
|
||||
import com.blade.loader.BladeLoader;
|
||||
import com.blade.mvc.WebContext;
|
||||
|
||||
@Bean
|
||||
public class LoadConfig implements BladeLoader {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(LoadConfig.class);
|
||||
|
||||
@Override
|
||||
public void load(Blade blade) {
|
||||
String version = WebContext.blade()
|
||||
.env("app.version")
|
||||
.orElse("N/D");
|
||||
String authors = WebContext.blade()
|
||||
.env("app.authors", "Unknown authors");
|
||||
|
||||
log.info("[LoadConfig] loaded 'app.version' (" + version + ") and 'app.authors' (" + authors + ") in a configuration bean");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
package com.baeldung.blade.sample.configuration;
|
||||
|
||||
import com.blade.ioc.annotation.Bean;
|
||||
import com.blade.task.annotation.Schedule;
|
||||
|
||||
@Bean
|
||||
public class ScheduleExample {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(ScheduleExample.class);
|
||||
|
||||
@Schedule(name = "baeldungTask", cron = "0 */1 * * * ?")
|
||||
public void runScheduledTask() {
|
||||
log.info("[ScheduleExample] This is a scheduled Task running once per minute.");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
package com.baeldung.blade.sample.interceptors;
|
||||
|
||||
import com.blade.ioc.annotation.Bean;
|
||||
import com.blade.mvc.RouteContext;
|
||||
import com.blade.mvc.hook.WebHook;
|
||||
|
||||
@Bean
|
||||
public class BaeldungHook implements WebHook {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(BaeldungHook.class);
|
||||
|
||||
@Override
|
||||
public boolean before(RouteContext ctx) {
|
||||
log.info("[BaeldungHook] called before Route method");
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
package com.baeldung.blade.sample.interceptors;
|
||||
|
||||
import com.blade.mvc.RouteContext;
|
||||
import com.blade.mvc.hook.WebHook;
|
||||
|
||||
public class BaeldungMiddleware implements WebHook {
|
||||
|
||||
private static final org.slf4j.Logger log = org.slf4j.LoggerFactory.getLogger(BaeldungMiddleware.class);
|
||||
|
||||
@Override
|
||||
public boolean before(RouteContext context) {
|
||||
log.info("[BaeldungMiddleware] called before Route method and other WebHooks");
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
package com.baeldung.blade.sample.vo;
|
||||
|
||||
import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
|
||||
|
||||
import lombok.Getter;
|
||||
import lombok.Setter;
|
||||
|
||||
public class User {
|
||||
@Getter @Setter private String name;
|
||||
@Getter @Setter private String site;
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return ReflectionToStringBuilder.toString(this);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
mvc.statics.show-list=true
|
||||
mvc.view.404=my-404.html
|
||||
mvc.view.500=my-500.html
|
||||
app.version=0.0.1
|
||||
app.authors=Andrea Ligios
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 28 KiB |
Binary file not shown.
|
After Width: | Height: | Size: 650 B |
|
|
@ -0,0 +1 @@
|
|||
/* App CSS */
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<title>Title</title>
|
||||
<script src="https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script>
|
||||
</head>
|
||||
<body>
|
||||
|
||||
|
||||
<h1>File Upload and download test</h1>
|
||||
<form id="uploadForm" enctype="multipart/form-data">
|
||||
<input id="file" type="file" name="file" />
|
||||
<button id="upload" type="button">Upload</button>
|
||||
</form>
|
||||
|
||||
<br />
|
||||
<a href="/">Back</a>
|
||||
<script>
|
||||
var data = new FormData();
|
||||
|
||||
$('#upload').click(function() {
|
||||
$.ajax({
|
||||
url : '/params-file',
|
||||
type : 'POST',
|
||||
cache : false,
|
||||
data : new FormData($('#uploadForm')[0]),
|
||||
processData : false,
|
||||
contentType : false
|
||||
}).done(function(res) {
|
||||
console.log(res);
|
||||
if (res.success) {
|
||||
alert('Ok');
|
||||
} else {
|
||||
alert(res.msg || 'Error');
|
||||
}
|
||||
}).fail(function(res) {
|
||||
});
|
||||
});
|
||||
</script>
|
||||
|
||||
</body>
|
||||
</html>
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue