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Added publish subscribe example using redis

This commit is contained in:
sameira 2016-02-18 22:48:42 +05:30
parent d0d3fff94d
commit 66eb5d7270
7 changed files with 198 additions and 66 deletions
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124
spring-data-redis/pom.xml
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@ -1,76 +1,76 @@
<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>
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>org.baeldung</groupId>
<artifactId>sprint-data-redis</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<groupId>org.baeldung</groupId>
<artifactId>sprint-data-redis</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.2.2.RELEASE</spring.version>
<spring-data-redis>1.6.2.RELEASE</spring-data-redis>
<nosqlunit.version>0.8.0</nosqlunit.version>
</properties>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.2.2.RELEASE</spring.version>
<spring-data-redis>1.6.2.RELEASE</spring-data-redis>
<nosqlunit.version>0.8.0</nosqlunit.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>${spring-data-redis}</version>
</dependency>
<dependencies>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>${spring-data-redis}</version>
</dependency>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib-nodep</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib-nodep</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.16</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.16</version>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.5.1</version>
<type>jar</type>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.5.1</version>
<type>jar</type>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.lordofthejars</groupId>
<artifactId>nosqlunit-redis</artifactId>
<version>${nosqlunit.version}</version>
</dependency>
<dependency>
<groupId>com.lordofthejars</groupId>
<artifactId>nosqlunit-redis</artifactId>
<version>${nosqlunit.version}</version>
</dependency>
</dependencies>
</dependencies>
</project>

31
spring-data-redis/src/main/java/org/baeldung/spring/data/redis/config/RedisConfig.java
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@ -1,10 +1,16 @@
package org.baeldung.spring.data.redis.config;
import org.baeldung.spring.data.redis.queue.RedisMessageSubscriber;
import org.baeldung.spring.data.redis.queue.RedisMessagePublisher;
import org.baeldung.spring.data.redis.queue.MessagePublisher;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.ChannelTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.listener.adapter.MessageListenerAdapter;
@Configuration
@ComponentScan("org.baeldung.spring.data.redis")
@ -17,8 +23,31 @@ public class RedisConfig {
@Bean
public RedisTemplate<String, Object> redisTemplate() {
final RedisTemplate< String, Object> template = new RedisTemplate<String, Object>();
final RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();
template.setConnectionFactory(jedisConnectionFactory());
return template;
}
@Bean
MessageListenerAdapter messageListener() {
return new MessageListenerAdapter(new RedisMessageSubscriber());
}
@Bean
RedisMessageListenerContainer redisContainer() {
final RedisMessageListenerContainer container = new RedisMessageListenerContainer();
container.setConnectionFactory(jedisConnectionFactory());
container.addMessageListener(messageListener(), topic());
return container;
}
@Bean
MessagePublisher redisPublisher() {
return new RedisMessagePublisher(redisTemplate(), topic());
}
@Bean
ChannelTopic topic() {
return new ChannelTopic("pubsub:queue");
}
}

7
spring-data-redis/src/main/java/org/baeldung/spring/data/redis/queue/MessagePublisher.java Normal file
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@ -0,0 +1,7 @@
package org.baeldung.spring.data.redis.queue;
public interface MessagePublisher {
void publish(String message);
}

28
spring-data-redis/src/main/java/org/baeldung/spring/data/redis/queue/RedisMessagePublisher.java Normal file
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@ -0,0 +1,28 @@
package org.baeldung.spring.data.redis.queue;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.ChannelTopic;
import org.springframework.stereotype.Service;
@Service
public class RedisMessagePublisher implements MessagePublisher {
@Autowired
private RedisTemplate<String, Object> redisTemplate;
@Autowired
private ChannelTopic topic;
public RedisMessagePublisher() {
}
public RedisMessagePublisher(RedisTemplate<String, Object> redisTemplate,
ChannelTopic topic) {
this.redisTemplate = redisTemplate;
this.topic = topic;
}
public void publish(String message) {
redisTemplate.convertAndSend(topic.getTopic(), message);
}
}

19
spring-data-redis/src/main/java/org/baeldung/spring/data/redis/queue/RedisMessageSubscriber.java Normal file
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@ -0,0 +1,19 @@
package org.baeldung.spring.data.redis.queue;
import org.springframework.data.redis.connection.Message;
import org.springframework.data.redis.connection.MessageListener;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.List;
@Service
public class RedisMessageSubscriber implements MessageListener {
public static List<String> messageList = new ArrayList<String>();
public void onMessage(final Message message, final byte[] pattern) {
messageList.add(message.toString());
System.out.println("Message received: " + message.toString());
}
}

4
spring-data-redis/src/main/java/org/baeldung/spring/data/redis/repo/StudentRepository.java
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@ -1,15 +1,13 @@
package org.baeldung.spring.data.redis.repo;
import org.baeldung.spring.data.redis.model.Student;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import java.util.Map;
public interface StudentRepository {
void saveStudent(Student person);
void updateStudent(Student student);
Student findStudent(String id);

51
spring-data-redis/src/test/java/org/baeldung/spring/data/redis/RedisMessageListenerTest.java Normal file
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@ -0,0 +1,51 @@
package org.baeldung.spring.data.redis;
import org.baeldung.spring.data.redis.config.RedisConfig;
import org.baeldung.spring.data.redis.queue.RedisMessageSubscriber;
import org.baeldung.spring.data.redis.queue.RedisMessagePublisher;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import java.util.UUID;
import static org.junit.Assert.assertTrue;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = RedisConfig.class)
public class RedisMessageListenerTest {
@Autowired
private RedisMessagePublisher redisMessagePublisher;
@Test
public void testOnMessage() throws Exception {
String message = "Message " + UUID.randomUUID();
redisMessagePublisher.publish(message);
Thread.sleep(100);
assertTrue(RedisMessageSubscriber.messageList.get(0).contains(message));
}
public void testOnPMessage() throws Exception {
}
public void testOnSubscribe() throws Exception {
}
public void testOnUnsubscribe() throws Exception {
}
public void testOnPUnsubscribe() throws Exception {
}
public void testOnPSubscribe() throws Exception {
}
}