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2019-08 - 25

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This commit is contained in:
Yuriy Dvorzhetskiy
2019-11-30 12:05:43 +06:00
parent 7cf48b91fa
commit e79268a0f3
10 changed files with 504 additions and 0 deletions
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2019-08/spring-25/.gitignore
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target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/build/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
2019-08/spring-25/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ru.otus</groupId>
<artifactId>spring-25</artifactId>
<version>1.0</version>
<packaging>pom</packaging>
<modules>
<module>spring-25-exercise</module>
<module>spring-25-solution</module>
</modules>
</project>
2019-08/spring-25/spring-25-exercise/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ru.otus</groupId>
<artifactId>spring-25-exercise</artifactId>
<version>1.0</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.5.RELEASE</version>
</parent>
<properties>
<maven.compiler.target>1.8</maven.compiler.target>
<maven.compiler.source>1.8</maven.compiler.source>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-integration</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-messaging</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
2019-08/spring-25/spring-25-exercise/src/main/java/ru/otus/spring/integration/App.java
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package ru.otus.spring.integration;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.integration.annotation.IntegrationComponentScan;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.dsl.channel.MessageChannels;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.MessageBuilder;
@SpringBootApplication
@IntegrationComponentScan
public class App {
public static void main(String[] args) throws InterruptedException {
ConfigurableApplicationContext ctx = SpringApplication.run(App.class, args);
PollableChannel channel1 = ctx.getBean("channel1", PollableChannel.class);
DirectChannel channel2 = ctx.getBean("channel2", DirectChannel.class);
channel2.subscribe(System.out::println);
new Thread(() -> {
while (true) {
channel2.send(channel1.receive());
}
}).start();
channel1.send(MessageBuilder.withPayload("Hello").build());
channel1.send(MessageBuilder.withPayload("Hello2").build());
Thread.sleep(2000);
channel1.send(MessageBuilder.withPayload("Hello3").build());
Thread.sleep(100000);
}
@Bean
public PollableChannel channel1() {
return new QueueChannel(100);
}
@Bean
public DirectChannel channel2() {
return MessageChannels.direct("channel2").get();
}
}
2019-08/spring-25/spring-25-exercise/src/test/java/ru/otus/spring/integration/MessagesTest.java
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package ru.otus.spring.integration;
import org.junit.Test;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.support.ErrorMessage;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.messaging.support.MessageBuilder;
import java.util.Collections;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@SuppressWarnings("all")
public class MessagesTest {
@Test
public void testCreateSimpleGenericMessage() {
// TODO: Создайте сообщение с payload-ом "Hello" с помощью конструктора
Message<String> message = null;
assertNotNull(message);
assertEquals(GenericMessage.class, message.getClass());
assertNotNull(message.getPayload());
assertEquals("Hello", message.getPayload());
}
@Test
public void testCreateGenericMessage() {
// TODO: Создайте сообщение с пользователем с помощью конструктора
Message<User> message = null;
assertNotNull(message);
assertEquals(GenericMessage.class, message.getClass());
assertNotNull(message.getPayload());
assertEquals(new User("John", 23), message.getPayload());
}
@Test
public void testGenericMessageWithHeaders() {
// TODO: Создайте сообщение с payload-ом "Hello" и header-ом "to":"World"
Map<String, Object> headers = null;
Message<String> message = null;
assertNotNull(message);
assertEquals("Hello", message.getPayload());
assertEquals("World", message.getHeaders().get("to", String.class));
}
@Test
public void testGenericMessageWithMessageHeaders() {
// TODO: Создайте сообщение с payload-ом "Hello" и header-ом "to":"World"
MessageHeaders headers = null;
Message<String> message = null;
assertNotNull(message);
assertEquals("Hello", message.getPayload());
assertEquals("World", message.getHeaders().get("to", String.class));
}
@Test
public void testErrorMessage() {
// TODO: Создайте сообщение об ошибки с объектом NullPointerException внутри
Message errorMessage = null;
assertNotNull(errorMessage);
assertEquals(ErrorMessage.class, errorMessage.getClass());
assertEquals(NullPointerException.class, errorMessage.getPayload().getClass());
}
@Test
public void testMessageBuilder() {
// TODO: Создайте сообщение с payload-ом "Hello" и header-ом "to":"World" с помощью MessageBuilder
Message message = null;
assertNotNull(message);
assertEquals("Hello", message.getPayload());
assertEquals("World", message.getHeaders().get("to", String.class));
}
@Test
public void testBuildFromMessage() {
Message<User> original = MessageBuilder
.withPayload(new User("Kate", 30))
.setHeader("processor", "userService")
.build();
// TODO: Создайте новое сообщение с теми же payload и header-ами c помощью MessageBuilder
Message<User> newMessage = null;
assertNotNull(newMessage);
assertEquals(original.getPayload(), newMessage.getPayload());
assertEquals(original.getHeaders().get("processor"), newMessage.getHeaders().get("processor"));
}
}
2019-08/spring-25/spring-25-exercise/src/test/java/ru/otus/spring/integration/User.java
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package ru.otus.spring.integration;
import java.util.Objects;
public class User {
private final String name;
private final int age;
public User(String name, int age) {
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof User)) return false;
User user = (User) o;
return age == user.age &&
Objects.equals(name, user.name);
}
@Override
public int hashCode() {
return Objects.hash(name, age);
}
}
2019-08/spring-25/spring-25-solution/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ru.otus</groupId>
<artifactId>spring-25-solution</artifactId>
<version>1.0</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.5.RELEASE</version>
</parent>
<properties>
<maven.compiler.target>1.8</maven.compiler.target>
<maven.compiler.source>1.8</maven.compiler.source>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-integration</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-messaging</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
2019-08/spring-25/spring-25-solution/src/main/java/ru/otus/spring/integration/App.java
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package ru.otus.spring.integration;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.integration.annotation.IntegrationComponentScan;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.integration.dsl.channel.MessageChannels;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.support.MessageBuilder;
@SpringBootApplication
@IntegrationComponentScan
public class App {
public static void main(String[] args) throws InterruptedException {
ConfigurableApplicationContext ctx = SpringApplication.run(App.class, args);
PollableChannel channel1 = ctx.getBean("channel1", PollableChannel.class);
DirectChannel channel2 = ctx.getBean("channel2", DirectChannel.class);
channel2.subscribe(System.out::println);
new Thread(() -> {
while (true) {
channel2.send(channel1.receive());
}
}).start();
channel1.send(MessageBuilder.withPayload("Hello").build());
channel1.send(MessageBuilder.withPayload("Hello2").build());
Thread.sleep(2000);
channel1.send(MessageBuilder.withPayload("Hello3").build());
Thread.sleep(100000);
}
@Bean
public PollableChannel channel1() {
return new QueueChannel(100);
}
@Bean
public DirectChannel channel2() {
return MessageChannels.direct("channel2").get();
}
}
2019-08/spring-25/spring-25-solution/src/test/java/ru/otus/spring/integration/MessagesTest.java
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package ru.otus.spring.integration;
import org.junit.Test;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.support.ErrorMessage;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.messaging.support.MessageBuilder;
import java.util.Collections;
import java.util.Map;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
@SuppressWarnings("all")
public class MessagesTest {
@Test
public void testCreateSimpleGenericMessage() {
// TODO: Создайте сообщение с payload-ом "Hello" с помощью конструктора
Message<String> message = new GenericMessage<String>("Hello");
assertNotNull(message);
assertEquals(GenericMessage.class, message.getClass());
assertNotNull(message.getPayload());
assertEquals("Hello", message.getPayload());
}
@Test
public void testCreateGenericMessage() {
// TODO: Создайте сообщение с пользователем с помощью конструктора
Message<User> message = new GenericMessage<User>(new User("John", 23));
assertNotNull(message);
assertEquals(GenericMessage.class, message.getClass());
assertNotNull(message.getPayload());
assertEquals(new User("John", 23), message.getPayload());
}
@Test
public void testGenericMessageWithHeaders() {
// TODO: Создайте сообщение с payload-ом "Hello" и header-ом "to":"World"
Map<String, Object> headers = Collections.singletonMap("to", "World");
Message<String> message = new GenericMessage<>("Hello", headers);
assertNotNull(message);
assertEquals("Hello", message.getPayload());
assertEquals("World", message.getHeaders().get("to", String.class));
}
@Test
public void testGenericMessageWithMessageHeaders() {
// TODO: Создайте сообщение с payload-ом "Hello" и header-ом "to":"World"
MessageHeaders headers = new MessageHeaders(Collections.singletonMap("to", "World"));
Message<String> message = new GenericMessage<>("Hello", headers);
assertNotNull(message);
assertEquals("Hello", message.getPayload());
assertEquals("World", message.getHeaders().get("to", String.class));
}
@Test
public void testErrorMessage() {
// TODO: Создайте сообщение об ошибки с объектом NullPointerException внутри
Message errorMessage = new ErrorMessage(new NullPointerException());
assertNotNull(errorMessage);
assertEquals(ErrorMessage.class, errorMessage.getClass());
assertEquals(NullPointerException.class, errorMessage.getPayload().getClass());
}
@Test
public void testMessageBuilder() {
// TODO: Создайте сообщение с payload-ом "Hello" и header-ом "to":"World" с помощью MessageBuilder
Message message = MessageBuilder.withPayload("Hello")
.setHeader("to", "World")
.build();
assertNotNull(message);
assertEquals("Hello", message.getPayload());
assertEquals("World", message.getHeaders().get("to", String.class));
}
@Test
public void testBuildFromMessage() {
Message<User> original = MessageBuilder
.withPayload(new User("Kate", 30))
.setHeader("processor", "userService")
.build();
// TODO: Создайте новое сообщение с теми же payload и header-ами c помощью MessageBuilder
Message<User> newMessage = MessageBuilder.fromMessage(original).build();
assertNotNull(newMessage);
assertEquals(original.getPayload(), newMessage.getPayload());
assertEquals(original.getHeaders().get("processor"), newMessage.getHeaders().get("processor"));
}
}
2019-08/spring-25/spring-25-solution/src/test/java/ru/otus/spring/integration/User.java
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package ru.otus.spring.integration;
import java.util.Objects;
public class User {
private final String name;
private final int age;
public User(String name, int age) {
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public int getAge() {
return age;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof User)) return false;
User user = (User) o;
return age == user.age &&
Objects.equals(name, user.name);
}
@Override
public int hashCode() {
return Objects.hash(name, age);
}
}