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2022-11 spring-30 SI

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This commit is contained in:
Vladimir Ivanov
2023-03-24 15:08:21 +03:00
parent b561256651
commit 0d862026df
12 changed files with 577 additions and 0 deletions
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2022-11/spring-30/.gitignore
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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
2022-11/spring-30/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-30</artifactId>
<version>1.0</version>
<packaging>pom</packaging>
<modules>
<module>spring-30-exercise</module>
<module>spring-30-solution</module>
</modules>
</project>
2022-11/spring-30/spring-30-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-30-exercise</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.7.9</version>
<relativePath/>
</parent>
<properties>
<maven.compiler.target>11</maven.compiler.target>
<maven.compiler.source>11</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>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
2022-11/spring-30/spring-30-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.QueueChannel;
import org.springframework.integration.dsl.MessageChannels;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.SubscribableChannel;
import lombok.extern.slf4j.Slf4j;
@SpringBootApplication
@IntegrationComponentScan
@Slf4j
public class App {
public static void main(String[] args) throws InterruptedException {
ConfigurableApplicationContext ctx = SpringApplication.run(App.class, args);
PollableChannel queueChannel = ctx.getBean("queueChannel", PollableChannel.class);
SubscribableChannel directChannel = ctx.getBean("directChannel", SubscribableChannel.class);
log.warn("INIT");
for (int i = 0; i < 10; i++) {
queueChannel.send(MessageBuilder.withPayload("Start " + i).build());
}
log.warn("INIT FINISH");
Thread.sleep(5000);
log.warn("START");
directChannel.subscribe((msg) -> log.warn("Receive msg: {}", msg));
new Thread(() -> {
while (true) {
directChannel.send(queueChannel.receive());
}
}).start();
log.warn("START FINISH");
Thread.sleep(5000);
log.warn("");
queueChannel.send(MessageBuilder.withPayload("Hello").build());
Thread.sleep(5000);
log.warn("");
queueChannel.send(MessageBuilder.withPayload("Hello2").build());
Thread.sleep(5000);
log.warn("");
queueChannel.send(MessageBuilder.withPayload("Hello3").build());
}
@Bean
public PollableChannel queueChannel() {
return new QueueChannel(10);
}
@Bean
public SubscribableChannel directChannel() {
return MessageChannels.direct("channel2").get();
}
}
2022-11/spring-30/spring-30-exercise/src/main/resources/application.yml
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logging:
level:
root: info
org.springframework.integration: debug
2022-11/spring-30/spring-30-exercise/src/test/java/ru/otus/spring/integration/MessagesTest.java
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package ru.otus.spring.integration;
import org.junit.jupiter.api.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.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.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"));
}
}
2022-11/spring-30/spring-30-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);
}
}
2022-11/spring-30/spring-30-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-30-solution</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.7.9</version>
</parent>
<properties>
<maven.compiler.target>11</maven.compiler.target>
<maven.compiler.source>11</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>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
2022-11/spring-30/spring-30-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.QueueChannel;
import org.springframework.integration.dsl.MessageChannels;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.PollableChannel;
import org.springframework.messaging.SubscribableChannel;
import lombok.extern.slf4j.Slf4j;
@SpringBootApplication
@IntegrationComponentScan
@Slf4j
public class App {
public static void main(String[] args) throws InterruptedException {
ConfigurableApplicationContext ctx = SpringApplication.run(App.class, args);
PollableChannel queueChannel = ctx.getBean("queueChannel", PollableChannel.class);
SubscribableChannel directChannel = ctx.getBean("directChannel", SubscribableChannel.class);
log.warn("INIT");
for (int i = 0; i < 10; i++) {
queueChannel.send(MessageBuilder.withPayload("Start " + i).build());
}
log.warn("INIT FINISH");
Thread.sleep(5000);
log.warn("START");
directChannel.subscribe((msg) -> log.warn("Receive msg: {}", msg));
new Thread(() -> {
while (true) {
directChannel.send(queueChannel.receive());
}
}).start();
log.warn("START FINISH");
Thread.sleep(5000);
log.warn("");
queueChannel.send(MessageBuilder.withPayload("Hello").build());
Thread.sleep(5000);
log.warn("");
queueChannel.send(MessageBuilder.withPayload("Hello2").build());
Thread.sleep(5000);
log.warn("");
queueChannel.send(MessageBuilder.withPayload("Hello3").build());
}
@Bean
public PollableChannel queueChannel() {
return new QueueChannel(10);
}
@Bean
public SubscribableChannel directChannel() {
return MessageChannels.direct("channel2").get();
}
}
2022-11/spring-30/spring-30-solution/src/main/resources/application.yml
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logging:
level:
root: info
org.springframework.integration: debug
2022-11/spring-30/spring-30-solution/src/test/java/ru/otus/spring/integration/MessagesTest.java
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package ru.otus.spring.integration;
import org.junit.jupiter.api.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.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.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"));
}
}
2022-11/spring-30/spring-30-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);
}
}