spring集成redis，集成redis集群

原文：http://chentian114.iteye.com/blog/2292323

1、通过spring-data-redis集成redis 

pom.xml依赖包 

<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>com.chen</groupId>
    <artifactId>test_redis02</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <build />
    <properties>
        <spring.version>3.1.2.RELEASE</spring.version>
    </properties>

    <dependencies>
        <dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>4.12</version>
</dependency>
        <!-- spring -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>


        <dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
    <version>2.8.1</version>
</dependency>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-redis</artifactId>
            <version>1.7.1.RELEASE</version>
        </dependency>
         <dependency>
     <groupId>org.apache.commons</groupId>
    <artifactId>commons-pool2</artifactId>
    <version>2.4.2</version>
</dependency> 
    </dependencies>
</project>

spring application-reids.xml配置文件 

Java代码  

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"   
       xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd  
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
        ">
    
    <!-- 加载配置文件 -->
    <context:property-placeholder location="classpath:redis.properties"/>
    <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
        <property name="maxIdle" value="${redis.maxIdle}" />
        <!-- <property name="maxActive" value="${redis.maxActive}" />
        <property name="maxWait" value="${redis.maxWait}" />
        <property name="testOnBorrow" value="${redis.testOnBorrow}" /> -->
    </bean>
    
    <bean id="connectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"  
        p:host-name="${redis.host}" p:port="${redis.port}" p:password="${redis.pass}"  p:pool-config-ref="poolConfig"/> 
    
    <bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">  
        <property name="connectionFactory"   ref="connectionFactory" />  
    </bean>       
    
</beans>

UserDaoImpl.java 

Java代码  

package com.chen.dao;

import java.io.Serializable;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Repository;

import com.chen.pojo.User;
@Repository
public class UserDaoImpl implements UserDao {
    
    @Autowired
    private RedisTemplate<Serializable,Serializable> redisTemplate;

    public void saveUser(final User user) {
        redisTemplate.execute(new RedisCallback<Object>(){
            @Override
            public Object doInRedis(RedisConnection connection)
                    throws DataAccessException {
                String str= "user.uid."+user.getId();
                byte[] key = redisTemplate.getStringSerializer().serialize(str);
                connection.set(key,redisTemplate.getStringSerializer().serialize(user.getName()));
                return null;
            }
        });
    }

    public User getUser(final long id) {
        return redisTemplate.execute(new RedisCallback<User>(){
            @Override
            public User doInRedis(RedisConnection connection) throws DataAccessException {
                byte[] key = redisTemplate.getStringSerializer().serialize("user.uid." + id);
                if(connection.exists(key)) {
                    byte[] value = connection.get(key);
                    String name = redisTemplate.getStringSerializer().deserialize(value);
                    User user = new User();
                    user.setName(name);
                    user.setId(id);
                    return user;
                }
                return null;
            }
        });
    }

}

2、通过jedis集成redis 

spring applicationContext.xml配置文件 

Java代码  

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"   
       xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd  
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
        ">
    
    <!-- 加载配置文件 -->
    <context:property-placeholder location="classpath:redis.properties"/>
    <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
        <property name="maxIdle" value="${redis.maxIdle}" />
        <!-- <property name="maxActive" value="${redis.maxActive}" />
        <property name="maxWait" value="${redis.maxWait}" />
        <property name="testOnBorrow" value="${redis.testOnBorrow}" /> -->
    </bean>
    <bean id="shardedJedisPool" class="redis.clients.jedis.ShardedJedisPool" scope="singleton">
        <constructor-arg index="0" ref="jedisPoolConfig" />
        <constructor-arg index="1">
            <list>
                <bean class="redis.clients.jedis.JedisShardInfo">
                    <constructor-arg name="host" value="${redis.host}" />
                    <constructor-arg name="port" value="${redis.port}" />
                    <!-- <constructor-arg name="timeout" value="${redis.timeout}" /> -->
                </bean>
            </list>
        </constructor-arg>
    </bean>
      
    
</beans>

RedisDataSourceImpl.java 

Java代码  

package com.chen.redis;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
@Repository("redisDataSource")
public class RedisDataSourceImpl implements RedisDataSource {
    
    @Autowired
    private ShardedJedisPool shardedJedisPool;
    
    public ShardedJedis getRedisClient() {
        try{
            ShardedJedis shardJedis = shardedJedisPool.getResource();
            return shardJedis;
        }catch(Exception e){
            e.printStackTrace();
        }
        return null;
    }

    public void returnResource(ShardedJedis shardedJedis) {
        shardedJedisPool.returnResource(shardedJedis);
    }

    public void returnResource(ShardedJedis shardedJedis, boolean broken) {
        if(broken){
            shardedJedisPool.returnBrokenResource(shardedJedis);
        }else{
            shardedJedisPool.returnResource(shardedJedis);
        }
    }

}

RedisClientTemplate.java 

Java代码  

package com.chen.redis;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import redis.clients.jedis.ShardedJedis;

@Repository("redisClientTemplate")
public class RedisClientTemplate {
    @Autowired
    private RedisDataSource redisDataSource;
    
    public void disconnect(){
        ShardedJedis shardedJedis = redisDataSource.getRedisClient();
        shardedJedis.disconnect();
    }
    
    public String set(String key,String val){
        String result = null ;
        ShardedJedis jedis = redisDataSource.getRedisClient();
        if(jedis ==null)return null;
        boolean broken = false;
        try{
            result = jedis.set(key, val);
        }catch(Exception e){
            e.printStackTrace();
            broken = true ;
        }finally{
            redisDataSource.returnResource(jedis,broken);
        }
        return result;
    }
    
    public String get(String key){
        String result = null;
        ShardedJedis jedis = redisDataSource.getRedisClient();
        if(jedis==null)return result;
        boolean broken = false;
        try{
            result = jedis.get(key);
        }catch(Exception e){
            e.printStackTrace();
            broken= true;
        }finally{
            redisDataSource.returnResource(jedis,broken);
        }
        return result;
    }
}

DemoTest.java 

Java代码  

 

package com.chen.demo;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.chen.redis.RedisClientTemplate;

public class DemoTest {
    private static ApplicationContext apx;
    static{
        apx = new ClassPathXmlApplicationContext("classpath:applicationContext.xml");
    }
    
    @Test
    public void test1(){
        String key1 = "mykey1"; String val1 = "myvalue1";
        RedisClientTemplate template = (RedisClientTemplate) apx.getBean("redisClientTemplate");
        String result = template.set(key1, val1);
        System.out.println("result="+result);
    }
    
    @Test
    public void test2(){
        String key1 = "mykey1";
        RedisClientTemplate template = (RedisClientTemplate) apx.getBean("redisClientTemplate");
        String val1 = template.get(key1);
        System.out.println(val1);
    }
}

详情见test_spring_redis03.rar源码 

3、通过jedis集成JedisCluster 

spring applicationContext.xml配置文件 

Java代码  

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"   
       xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd  
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
        ">
    
    <!-- 加载配置文件 -->
    <context:property-placeholder location="classpath:redis.properties"/>
    <bean name="genericObjectPoolConfig" class="org.apache.commons.pool2.impl.GenericObjectPoolConfig">
        <property name="maxWaitMillis" value="${redis.maxWaitMillis}" />
        <property name="maxTotal" value="${redis.maxTotal}" />
        <property name="minIdle" value="${redis.minIdle}" />
        <property name="maxIdle" value="${redis.maxIdle}" />
    </bean>
    
    <bean id="jedisCluster" class="com.chen.redis.JedisClusterFactory">
        <property name="addressConfig">
            <value>classpath:connect-redis.properties</value>
        </property>
        <property name="addressKeyPrefix" value="address"></property>
        <property name="timeout" value="${redis.timeout}" />
        <property name="maxRedirections" value="${redis.maxRedirections}" />
        <property name="genericObjectPoolConfig" ref="genericObjectPoolConfig"></property>
    </bean>
    
</beans>

集群服务器配置文件 
connect-redis.properties 

Java代码  

address1=192.168.199.130:7001
address2=192.168.199.130:7002
address3=192.168.199.130:7003
address4=192.168.199.130:7004
address5=192.168.199.130:7005
address6=192.168.199.130:7006

JedisClusterFactory.java 

Java代码  

package com.chen.redis;  
import java.util.HashSet;  
import java.util.Properties;  
import java.util.Set;  
import java.util.regex.Pattern;  
  
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;  
import org.springframework.beans.factory.FactoryBean;  
import org.springframework.beans.factory.InitializingBean;  
import org.springframework.core.io.Resource;  
  
import redis.clients.jedis.HostAndPort;  
import redis.clients.jedis.JedisCluster;  

public class JedisClusterFactory implements FactoryBean<JedisCluster>, InitializingBean {

    private Resource addressConfig;
    private String addressKeyPrefix ;
    private String password;

    private JedisCluster jedisCluster;
    private Integer timeout;
    private Integer maxRedirections;
    private GenericObjectPoolConfig genericObjectPoolConfig;
    
    private Pattern p = Pattern.compile("^.+[:]\d{1,5}\s*$");

    @Override
    public JedisCluster getObject() throws Exception {
        return jedisCluster;
    }

    @Override
    public Class<? extends JedisCluster> getObjectType() {
        return (this.jedisCluster != null ? this.jedisCluster.getClass() : JedisCluster.class);
    }

    @Override
    public boolean isSingleton() {
        return true;
    }



    private Set<HostAndPort> parseHostAndPort() throws Exception {
        try {
            Properties prop = new Properties();
            prop.load(this.addressConfig.getInputStream());

            Set<HostAndPort> haps = new HashSet<HostAndPort>();
            for (Object key : prop.keySet()) {

                if (!((String) key).startsWith(addressKeyPrefix)) {
                    continue;
                }

                String val = (String) prop.get(key);

                boolean isIpPort = p.matcher(val).matches();

                if (!isIpPort) {
                    throw new IllegalArgumentException("ip 或 port 不合法");
                }
                String[] ipAndPort = val.split(":");

                HostAndPort hap = new HostAndPort(ipAndPort[0], Integer.parseInt(ipAndPort[1]));
                haps.add(hap);
            }

            return haps;
        } catch (IllegalArgumentException ex) {
            throw ex;
        } catch (Exception ex) {
            throw new Exception("解析 jedis 配置文件失败", ex);
        }
    }
    
    @Override
    public void afterPropertiesSet() throws Exception {
        Set<HostAndPort> haps = this.parseHostAndPort();
        
        //jedisCluster = new JedisCluster(haps, timeout, maxRedirections,genericObjectPoolConfig);
        jedisCluster = new JedisCluster(haps, timeout, 2000, maxRedirections, password, genericObjectPoolConfig);
    }
    public void setAddressConfig(Resource addressConfig) {
        this.addressConfig = addressConfig;
    }

    public void setTimeout(int timeout) {
        this.timeout = timeout;
    }

    public void setMaxRedirections(int maxRedirections) {
        this.maxRedirections = maxRedirections;
    }

    public void setAddressKeyPrefix(String addressKeyPrefix) {
        this.addressKeyPrefix = addressKeyPrefix;
    }

    public void setGenericObjectPoolConfig(GenericObjectPoolConfig genericObjectPoolConfig) {
        this.genericObjectPoolConfig = genericObjectPoolConfig;
    }

    public void setPassword(String password) {
        this.password = password;
    }

}

DemoTest.java 

Java代码  

package com.chen.demo;

import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import redis.clients.jedis.JedisCluster;

public class DemoTest {
    private static ApplicationContext apx;
    static{
        apx = new ClassPathXmlApplicationContext("classpath:applicationContext.xml");
    }
    
    
    @Test
    public void test1(){
        JedisCluster jedisCluster = (JedisCluster) apx.getBean("jedisCluster");
        String key1="myname1";
        String key2="myname2";
        String key3="myname3";
        System.out.println(jedisCluster.get(key1));
        System.out.println(jedisCluster.get(key2));
        System.out.println(jedisCluster.get(key3));
        
    }
    
    @Test
    public void test2(){
        JedisCluster jedisCluster = (JedisCluster) apx.getBean("jedisCluster");
        String key1="mystring1"; String val1 = "myval1";
        String key2="mystring2"; String val2 = "myval2";
        String key3="mystring3"; String val3 = "myval3";
        System.out.println(jedisCluster.set(key1,val1));
        System.out.println(jedisCluster.set(key2,val2));
        System.out.println(jedisCluster.set(key3,val3));
        System.out.println("----------------------");
        System.out.println(jedisCluster.get(key1));
        System.out.println(jedisCluster.get(key2));
        System.out.println(jedisCluster.get(key3));
    }
}