与Spring整合连接redis集群
1、接口封装
常用的操作redis的方法提取出一个接口，分别对应单机版和集群版创建两个实现类。
2、接口定义
public interface JedisClient {String set(String key, String value);String get(String key);Boolean exists(String key);Long expire(String key, int seconds);Long ttl(String key);Long incr(String key);Long hset(String key, String field, String value);String hget(String key, String field);Long hdel(String key, String... field);}
3、单机版实现类
public class JedisClientPool implements JedisClient {@Autowiredprivate JedisPool jedisPool;@Overridepublic String set(String key, String value) {Jedis jedis = jedisPool.getResource();String result = jedis.set(key, value);jedis.close();return result;}@Overridepublic String get(String key) {Jedis jedis = jedisPool.getResource();String result = jedis.get(key);jedis.close();return result;}@Overridepublic Boolean exists(String key) {Jedis jedis = jedisPool.getResource();Boolean result = jedis.exists(key);jedis.close();return result;}@Overridepublic Long expire(String key, int seconds) {Jedis jedis = jedisPool.getResource();Long result = jedis.expire(key, seconds);jedis.close();return result;}@Overridepublic Long ttl(String key) {Jedis jedis = jedisPool.getResource();Long result = jedis.ttl(key);jedis.close();return result;}@Overridepublic Long incr(String key) {Jedis jedis = jedisPool.getResource();Long result = jedis.incr(key);jedis.close();return result;}@Overridepublic Long hset(String key, String field, String value) {Jedis jedis = jedisPool.getResource();Long result = jedis.hset(key, field, value);jedis.close();return result;}@Overridepublic String hget(String key, String field) {Jedis jedis = jedisPool.getResource();String result = jedis.hget(key, field);jedis.close();return result;}@Overridepublic Long hdel(String key, String... field) {Jedis jedis = jedisPool.getResource();Long result = jedis.hdel(key, field);jedis.close();return result;}}
4、配置applicationContext-redis.xml
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" 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-beans4.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context4.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop4.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx4.2.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util4.2.xsd"><!-- 配置单机版的连接 --><bean id="jedisPool" class="redis.clients.jedis.JedisPool"><constructor-arg name="host" value="192.168.25.153"></constructor-arg><constructor-arg name="port" value="6379"></constructor-arg></bean><bean id="jedisClientPool" class="com.taotao.jedis.JedisClientPool"/></beans>
5、集群版实现类
package com.taotao.jedis;import org.springframework.beans.factory.annotation.Autowired;import redis.clients.jedis.JedisCluster;public class JedisClientCluster implements JedisClient {@Autowiredprivate JedisCluster jedisCluster;@Overridepublic String set(String key, String value) {return jedisCluster.set(key, value);}@Overridepublic String get(String key) {return jedisCluster.get(key);}@Overridepublic Boolean exists(String key) {return jedisCluster.exists(key);}@Overridepublic Long expire(String key, int seconds) {return jedisCluster.expire(key, seconds);}@Overridepublic Long ttl(String key) {return jedisCluster.ttl(key);}@Overridepublic Long incr(String key) {return jedisCluster.incr(key);}@Overridepublic Long hset(String key, String field, String value) {return jedisCluster.hset(key, field, value);}@Overridepublic String hget(String key, String field) {return jedisCluster.hget(key, field);}@Overridepublic Long hdel(String key, String... field) {return jedisCluster.hdel(key, field);}}
6、配置applicationContext-redis.xml
<!-- 集群版的配置 --><bean id="jedisCluster" class="redis.clients.jedis.JedisCluster"><constructor-arg><set><bean class="redis.clients.jedis.HostAndPort"><constructor-arg name="host" value="192.168.25.153"></constructor-arg><constructor-arg name="port" value="7001"></constructor-arg></bean><bean class="redis.clients.jedis.HostAndPort"><constructor-arg name="host" value="192.168.25.153"></constructor-arg><constructor-arg name="port" value="7002"></constructor-arg></bean><bean class="redis.clients.jedis.HostAndPort"><constructor-arg name="host" value="192.168.25.153"></constructor-arg><constructor-arg name="port" value="7003"></constructor-arg></bean><bean class="redis.clients.jedis.HostAndPort"><constructor-arg name="host" value="192.168.25.153"></constructor-arg><constructor-arg name="port" value="7004"></constructor-arg></bean><bean class="redis.clients.jedis.HostAndPort"><constructor-arg name="host" value="192.168.25.153"></constructor-arg><constructor-arg name="port" value="7005"></constructor-arg></bean><bean class="redis.clients.jedis.HostAndPort"><constructor-arg name="host" value="192.168.25.153"></constructor-arg><constructor-arg name="port" value="7006"></constructor-arg></bean></set></constructor-arg></bean><bean id="jedisClientCluster" class="com.taotao.jedis.JedisClientCluster"/>
集群版与单机版不能共存。
7、封装代码测试
@Testpublic void testJedisClient() throws Exception {//初始化Spring容器ApplicationContext applicationContext = new ClassPathXmlApplicationContext("classpath:spring/applicationContext-*.xml");//从容器中获得JedisClient对象JedisClient jedisClient = applicationContext.getBean(JedisClient.class);jedisClient.set("first", "100");String result = jedisClient.get("first");System.out.println(result);}
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