Spring 整合redis

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Spring 整合 Redis

原创 2013年01月25日 18:52:19

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pom构建：

  <modelVersion>4.0.0</modelVersion>  <groupId>com.x.redis</groupId>  <artifactId>springredis</artifactId>  <version>0.0.1-SNAPSHOT</version>    <dependencies>  <dependency>  <groupId>org.springframework.data</groupId>  <artifactId>spring-data-redis</artifactId>  <version>1.0.2.RELEASE</version>  </dependency>  <dependency>  <groupId>org.springframework</groupId>  <artifactId>spring-test</artifactId>  <version>3.1.2.RELEASE</version>  <scope>test</scope>  </dependency>    <dependency>  <groupId>redis.clients</groupId>  <artifactId>jedis</artifactId>  <version>2.1.0</version>  </dependency>     <dependency>  <groupId>junit</groupId>  <artifactId>junit</artifactId>  <version>4.8.2</version>  <scope>test</scope>  </dependency>  </dependencies>

spring配置文件(applicationContext.xml)：

<?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:p="http://www.springframework.org/schema/p"xmlns:context="http://www.springframework.org/schema/context"xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"xmlns:aop="http://www.springframework.org/schema/aop"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"><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><bean id="userDao" class="com.x.dao.impl.UserDao" /> </beans>

redis.properties

# Redis settingsredis.host=localhostredis.port=6379redis.pass=java2000_wlredis.maxIdle=300redis.maxActive=600redis.maxWait=1000redis.testOnBorrow=true

java代码：

package com.x.entity;import java.io.Serializable;/**  * @author http://blog.csdn.net/java2000_wl  * @version <b>1.0</b>  */ public class User implements Serializable {private static final long serialVersionUID = -6011241820070393952L;private String id;private String name;private String password;/** * <br>------------------------------<br> */public User() {}/** * <br>------------------------------<br> */public User(String id, String name, String password) {super();this.id = id;this.name = name;this.password = password;}/** * 获得id * @return the id */public String getId() {return id;}/** * 设置id * @param id the id to set */public void setId(String id) {this.id = id;}/** * 获得name * @return the name */public String getName() {return name;}/** * 设置name * @param name the name to set */public void setName(String name) {this.name = name;}/** * 获得password * @return the password */public String getPassword() {return password;}/** * 设置password * @param password the password to set */public void setPassword(String password) {this.password = password;}}

package com.x.dao;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.data.redis.core.RedisTemplate;import org.springframework.data.redis.serializer.RedisSerializer;/**  * AbstractBaseRedisDao * @author http://blog.csdn.net/java2000_wl  * @version <b>1.0</b>  */ public abstract class AbstractBaseRedisDao<K, V> {@Autowiredprotected RedisTemplate<K, V> redisTemplate;/** * 设置redisTemplate * @param redisTemplate the redisTemplate to set */public void setRedisTemplate(RedisTemplate<K, V> redisTemplate) {this.redisTemplate = redisTemplate;}/** * 获取 RedisSerializer * <br>------------------------------<br> */protected RedisSerializer<String> getRedisSerializer() {return redisTemplate.getStringSerializer();}}

package com.x.dao;import java.util.List;import com.x.entity.User;/**  * @author http://blog.csdn.net/java2000_wl  * @version <b>1.0</b>  */ public interface IUserDao {/** * 新增 * <br>------------------------------<br> * @param user * @return */boolean add(User user);/** * 批量新增 使用pipeline方式 * <br>------------------------------<br> * @param list * @return */boolean add(List<User> list);/** * 删除 * <br>------------------------------<br> * @param key */void delete(String key);/** * 删除多个 * <br>------------------------------<br> * @param keys */void delete(List<String> keys);/** * 修改 * <br>------------------------------<br> * @param user * @return  */boolean update(User user);/** * 通过key获取 * <br>------------------------------<br> * @param keyId * @return  */User get(String keyId);}

package com.x.dao.impl;import java.util.ArrayList;import java.util.List;import org.springframework.dao.DataAccessException;import org.springframework.data.redis.connection.RedisConnection;import org.springframework.data.redis.core.RedisCallback;import org.springframework.data.redis.serializer.RedisSerializer;import org.springframework.util.Assert;import com.x.dao.AbstractBaseRedisDao;import com.x.dao.IUserDao;import com.x.entity.User;/**  * Dao * @author http://blog.csdn.net/java2000_wl  * @version <b>1.0</b>  */ public class UserDao extends AbstractBaseRedisDao<String, User> implements IUserDao {/**  * 新增 *<br>------------------------------<br> * @param user * @return */public boolean add(final User user) {boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {public Boolean doInRedis(RedisConnection connection)throws DataAccessException {RedisSerializer<String> serializer = getRedisSerializer();byte[] key  = serializer.serialize(user.getId());byte[] name = serializer.serialize(user.getName());return connection.setNX(key, name);}});return result;}/** * 批量新增 使用pipeline方式   *<br>------------------------------<br> *@param list *@return */public boolean add(final List<User> list) {Assert.notEmpty(list);boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {public Boolean doInRedis(RedisConnection connection)throws DataAccessException {RedisSerializer<String> serializer = getRedisSerializer();for (User user : list) {byte[] key  = serializer.serialize(user.getId());byte[] name = serializer.serialize(user.getName());connection.setNX(key, name);}return true;}}, false, true);return result;}/**  * 删除 * <br>------------------------------<br> * @param key */public void delete(String key) {List<String> list = new ArrayList<String>();list.add(key);delete(list);}/** * 删除多个 * <br>------------------------------<br> * @param keys */public void delete(List<String> keys) {redisTemplate.delete(keys);}/** * 修改  * <br>------------------------------<br> * @param user * @return  */public boolean update(final User user) {String key = user.getId();if (get(key) == null) {throw new NullPointerException("数据行不存在, key = " + key);}boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {public Boolean doInRedis(RedisConnection connection)throws DataAccessException {RedisSerializer<String> serializer = getRedisSerializer();byte[] key  = serializer.serialize(user.getId());byte[] name = serializer.serialize(user.getName());connection.set(key, name);return true;}});return result;}/**  * 通过key获取 * <br>------------------------------<br> * @param keyId * @return */public User get(final String keyId) {User result = redisTemplate.execute(new RedisCallback<User>() {public User doInRedis(RedisConnection connection)throws DataAccessException {RedisSerializer<String> serializer = getRedisSerializer();byte[] key = serializer.serialize(keyId);byte[] value = connection.get(key);if (value == null) {return null;}String name = serializer.deserialize(value);return new User(keyId, name, null);}});return result;}}

import java.util.ArrayList;import java.util.List;import junit.framework.Assert;import org.junit.Test;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;import com.x.dao.IUserDao;import com.x.entity.User;/**  * 测试 * @author http://blog.csdn.net/java2000_wl  * @version <b>1.0</b>  */  @ContextConfiguration(locations = {"classpath*:applicationContext.xml"})public class RedisTest extends AbstractJUnit4SpringContextTests {@Autowiredprivate IUserDao userDao;/** * 新增 * <br>------------------------------<br> */@Testpublic void testAddUser() {User user = new User();user.setId("user1");user.setName("java2000_wl");boolean result = userDao.add(user);Assert.assertTrue(result);}/** * 批量新增 普通方式 * <br>------------------------------<br> */@Testpublic void testAddUsers1() {List<User> list = new ArrayList<User>();for (int i = 10; i < 50000; i++) {User user = new User();user.setId("user" + i);user.setName("java2000_wl" + i);list.add(user);}long begin = System.currentTimeMillis();for (User user : list) {userDao.add(user);}System.out.println(System.currentTimeMillis() -  begin);}/** * 批量新增 pipeline方式 * <br>------------------------------<br> */@Testpublic void testAddUsers2() {List<User> list = new ArrayList<User>();for (int i = 10; i < 1500000; i++) {User user = new User();user.setId("user" + i);user.setName("java2000_wl" + i);list.add(user);}long begin = System.currentTimeMillis();boolean result = userDao.add(list);System.out.println(System.currentTimeMillis() - begin);Assert.assertTrue(result);}/** * 修改 * <br>------------------------------<br> */@Testpublic void testUpdate() {User user = new User();user.setId("user1");user.setName("new_password");boolean result = userDao.update(user);Assert.assertTrue(result);}/** * 通过key删除单个 * <br>------------------------------<br> */@Testpublic void testDelete() {String key = "user1";userDao.delete(key);}/** * 批量删除 * <br>------------------------------<br> */@Testpublic void testDeletes() {List<String> list = new ArrayList<String>();for (int i = 0; i < 10; i++) {list.add("user" + i);}userDao.delete(list);}/** * 获取 * <br>------------------------------<br> */@Testpublic void testGetUser() {String id = "user1";User user = userDao.get(id);Assert.assertNotNull(user);Assert.assertEquals(user.getName(), "java2000_wl");}/** * 设置userDao * @param userDao the userDao to set */public void setUserDao(IUserDao userDao) {this.userDao = userDao;}}

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