Spring 整合Redis详解（增删改查、PipleLine、测试代码）

古城堡 · 发表于 2016-12-20 11:11:59

pom构建：

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<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)：

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<?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.xsd
http://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

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# Redis settings
redis.host=localhost
redis.port=6379
redis.pass=java2000_wl
redis.maxIdle=300
redis.maxActive=600
redis.maxWait=1000
redis.testOnBorrow=true

java代码：

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package com.x.entity;
import java.io.Serializable;
/**
* @author http://blog.csdn.net/java2000_wl
* @version 1.0
*/
public class User implements Serializable {
private static final long serialVersionUID = -6011241820070393952L;
private String id;
private String name;
private String password;
/**
* ------------------------------
*/
public User() {
}
/**
* ------------------------------
*/
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;
}
}

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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 1.0
*/
public abstract class AbstractBaseRedisDao<K, V> {
@Autowired
protected 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
* ------------------------------
*/
protected RedisSerializer<String> getRedisSerializer() {
return redisTemplate.getStringSerializer();
}
}

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

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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 1.0
*/
public class UserDao extends AbstractBaseRedisDao<String, User> implements IUserDao {
/**
* 新增
* ------------------------------
* @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
* ------------------------------
*@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
* ------------------------------
* @param key
*/
public void delete(String key) {
List<String> list = new ArrayList<String>();
list.add(key);
delete(list);
}
/**
* 删除多个
* ------------------------------
* @param keys
*/
public void delete(List<String> keys) {
redisTemplate.delete(keys);
}
/**
* 修改
* ------------------------------
* @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
* ------------------------------
* @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;
}
}

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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 1.0
*/
@ContextConfiguration(locations = {"classpath*:applicationContext.xml"})
public class RedisTest extends AbstractJUnit4SpringContextTests {
@Autowired
private IUserDao userDao;
/**
* 新增
* ------------------------------
*/
@Test
public 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
* ------------------------------
*/
@Test
public 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
* ------------------------------
*/
@Test
public 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
* ------------------------------
*/
@Test
public 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
* ------------------------------
*/
@Test
public void testDelete() {
String key = "user1";
userDao.delete(key);
}
/**
* 批量删除
* ------------------------------
*/
@Test
public void testDeletes() {
List<String> list = new ArrayList<String>();
for (int i = 0; i < 10; i++) {
list.add("user" + i);
}
userDao.delete(list);
}
/**
* 获取
* ------------------------------
*/
@Test
public 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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[经验分享] Spring 整合Redis详解（增删改查、PipleLine、测试代码）

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