6、redis之使用spring-data-redis的Template

POM:

<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.yzl</groupId>
    <artifactId>redis.first</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.9</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <!-- 2.7.1在和spring的spring-data-redis 1.4.1集成时会报找不到方法的错，原因是JedisShardInfo类的属性由timeout变成了soTimeout了 -->
            <!-- <version>2.7.1</version> -->
            <version>2.6.2</version>
        </dependency>

        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.2.0.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>4.2.0.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-redis</artifactId>
            <version>1.4.1.RELEASE</version>
        </dependency>
    </dependencies>
</project>

spring配置文件：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ss="http://www.springframework.org/schema/security"
    xmlns:jee="http://www.springframework.org/schema/jee" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
       http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
       http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security.xsd
       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
    
    <context:property-placeholder location="classpath:redis-pool.properties"/>
    
    <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig" />
    
    <bean class="redis.clients.jedis.JedisPool">
        <constructor-arg index="0" ref="jedisPoolConfig" />
        <constructor-arg index="1" value="${redis.ip}" />
        <constructor-arg index="2" value="${redis.port}" />
    </bean>
    
    <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
        <!-- 具体可配置项可以参见此类的源码 -->
        <property name="hostName" value="${redis.ip}" />
    </bean>
    
    <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
        <property name="connectionFactory" ref="jedisConnectionFactory" />
    </bean>
    
    <bean id="stringRedisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
        <property name="connectionFactory" ref="jedisConnectionFactory" />
    </bean>
</beans>

测试类：

package com.yzl;

import java.io.Serializable;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
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.data.redis.core.StringRedisTemplate;

/**
 * RedisApp之spring redisTemplate的测试类
 *
 * @author yangzhilong
 * @see [相关类/方法]（可选）
 * @since [产品/模块版本] （可选）
 */
public class RedisApp3Test {
    private ApplicationContext app;
    private RedisTemplate<Serializable, Serializable> redisTemplate;
    private StringRedisTemplate stringRedisTemplate;
    
    @Before
    public void before(){
        app = new ClassPathXmlApplicationContext("spring-config.xml");
        redisTemplate = (RedisTemplate)app.getBean("redisTemplate");
        stringRedisTemplate = app.getBean(StringRedisTemplate.class);
    }
    
    @Test
    public void test(){
        System.out.println("use StringRedisTemplate save value");
        //保存
        stringRedisTemplate.execute(new RedisCallback<String>() {
            public String doInRedis(RedisConnection connection) throws DataAccessException {
                connection.set(stringRedisTemplate.getStringSerializer().serialize("name"), stringRedisTemplate.getStringSerializer().serialize("hello"));
                return null;
            }
        });
        
        //取值
        String value = stringRedisTemplate.execute(new RedisCallback<String>() {
            public String doInRedis(RedisConnection connection) throws DataAccessException {
                return stringRedisTemplate.getStringSerializer().deserialize(connection.get(stringRedisTemplate.getStringSerializer().serialize("name")));
            }
            
        });
        
        System.out.println("use StringRedisTemplate get value :" + value);
        
        System.out.println("use RedisTemplate append value");
        //追加
        redisTemplate.execute(new RedisCallback<String>() {
            public String doInRedis(RedisConnection connection) throws DataAccessException {
                connection.append(redisTemplate.getStringSerializer().serialize("name"), redisTemplate.getStringSerializer().serialize(" redis"));
                return null;
            }
        });
        
        //取值
        value = redisTemplate.execute(new RedisCallback<String>() {

            public String doInRedis(RedisConnection connection) throws DataAccessException {
                // TODO Auto-generated method stub
                return redisTemplate.getStringSerializer().deserialize(connection.get(redisTemplate.getStringSerializer().serialize("name")));
            }
        });
        System.out.println("use RedisTemplate get value :" + value);
    }
    
    @After
    public void after(){
        System.out.println("end~~~");
    }
}

运行结果：

use StringRedisTemplate save value
2015-08-14 15:23:27,241 [org.springframework.data.redis.core.RedisConnectionUtils]-[DEBUG] Opening RedisConnection
2015-08-14 15:23:27,379 [org.springframework.data.redis.core.RedisConnectionUtils]-[DEBUG] Closing Redis Connection
2015-08-14 15:23:27,381 [org.springframework.data.redis.core.RedisConnectionUtils]-[DEBUG] Opening RedisConnection
2015-08-14 15:23:27,382 [org.springframework.data.redis.core.RedisConnectionUtils]-[DEBUG] Closing Redis Connection
use StringRedisTemplate get value :hello
use RedisTemplate append value
2015-08-14 15:23:27,382 [org.springframework.data.redis.core.RedisConnectionUtils]-[DEBUG] Opening RedisConnection
2015-08-14 15:23:27,404 [org.springframework.data.redis.core.RedisConnectionUtils]-[DEBUG] Closing Redis Connection
2015-08-14 15:23:27,405 [org.springframework.data.redis.core.RedisConnectionUtils]-[DEBUG] Opening RedisConnection
2015-08-14 15:23:27,405 [org.springframework.data.redis.core.RedisConnectionUtils]-[DEBUG] Closing Redis Connection
use RedisTemplate get value :hello redis
end~~~

下一篇：7、redis之使用spring集成commons-pool来操作常见数据类型