1.maven添加spring、redis、log4j依赖
properties设置
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.3.0.RELEASE</spring.version>
<jedis.version>2.1.0</jedis.version>
<springdateredis.version>1.0.2.RELEASE</springdateredis.version>
</properties>
相关dependency
<!-- spring 依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- springredis -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>${springdateredis.version}</version>
</dependency>
<!-- redis 依赖 -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>${jedis.version}</version>
</dependency>
<!-- log4j日志 -->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.7</version>
</dependency>
2.新建dao接口
package com.lgd.ssh.spider.Dao;
import java.util.List;
import java.util.Map;
public interface RedisDao {
/**
* 向redis添加数据
*
* @param addMap<key,
* value>
*/
public void add(Map<String, String> addMap);
/**
* 删除redis数据
*
* @param deleteList<key>
*/
public void delete(List<String> deleteList);
/**
* 更新redis数据
*
* @param updateMap<key,
* value>
*/
public void update(Map<String, String> updateMap);
/**
* 查询
*
* @param queryList
*/
public Map<String, String> query(List<String> queryList);
}
3.具体实现
redisbase类
package com.lgd.ssh.spider.Dao.Spi;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.Pipeline;
/**
* redis基类
* @author lgd
*
*/
public class RedisBaseDao {
private static JedisPool jedisPool;
public static JedisPool getJedisPool() {
return jedisPool;
}
public static void setJedisPool(JedisPool jedisPool) {
RedisBaseDao.jedisPool = jedisPool;
}
private Jedis getJedis() {
return jedisPool.getResource();
}
private Jedis getJedisClient() {
return getJedis();
}
private Pipeline getPipeline() {
Jedis jedis = getJedisClient();
return jedis.pipelined();
}
public <T> T RedisExecute(RedisExecute<T> redisExcute){
Pipeline pipeline = getPipeline();
return redisExcute.Execute(pipeline);
}
}
RedisExecute接口,其实现类实现具体功能
package com.lgd.ssh.spider.Dao.Spi;
import redis.clients.jedis.Pipeline;
public interface RedisExecute<T> {
public T Execute(Pipeline pipeline);
}
redisDao对应实现类
package com.lgd.ssh.spider.Dao.Spi;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import com.lgd.ssh.spider.Dao.RedisDao;
import redis.clients.jedis.Pipeline;
import redis.clients.jedis.Response;
public class RedisDaoSpi extends RedisBaseDao implements RedisDao {
private Logger logger = Logger.getLogger(RedisDaoSpi.class);
public void add(final Map<String, String> addMap) {
if (logger.isDebugEnabled()) {
logger.debug("start RedisDaoSpi.add");
}
RedisExecute(new RedisExecute<Void>() {
public Void Execute(Pipeline pipeline) {
pipeline.multi();
for (Map.Entry<String, String> entry : addMap.entrySet()) {
pipeline.setnx(entry.getKey(), entry.getValue());
}
pipeline.exec();
pipeline.syncAndReturnAll();
return null;
}
});
if (logger.isDebugEnabled()) {
logger.debug("end RedisDaoSpi.add");
}
}
public void delete(final List<String> deleteList) {
if (logger.isDebugEnabled()) {
logger.debug("start RedisDaoSpi.delete");
}
RedisExecute(new RedisExecute<Void>() {
public Void Execute(Pipeline pipeline) {
pipeline.multi();
for (String key : deleteList) {
pipeline.del(key);
}
pipeline.exec();
pipeline.syncAndReturnAll();
return null;
}
});
if (logger.isDebugEnabled()) {
logger.debug("end RedisDaoSpi.delete");
}
}
public void update(final Map<String, String> updateMap) {
if (logger.isDebugEnabled()) {
logger.debug("start RedisDaoSpi.update");
}
RedisExecute(new RedisExecute<Void>() {
public Void Execute(Pipeline pipeline) {
pipeline.multi();
for (Map.Entry<String, String> entry : updateMap.entrySet()) {
pipeline.set(entry.getKey(), entry.getValue());
}
pipeline.exec();
pipeline.syncAndReturnAll();
return null;
}
});
if (logger.isDebugEnabled()) {
logger.debug("end RedisDaoSpi.update");
}
}
public Map<String, String> query(final List<String> queryList) {
if (logger.isDebugEnabled()) {
logger.debug("start RedisDaoSpi.query");
}
Map<String, String> getMap = RedisExecute(new RedisExecute<Map<String, String>>() {
public Map<String, String> Execute(Pipeline pipeline) {
Map<String, Response<String>> getMap = new HashMap<String, Response<String>>();
pipeline.multi();
for (String key : queryList) {
getMap.put(key, pipeline.get(key));
}
pipeline.exec();
pipeline.syncAndReturnAll();
Map<String, String> resultMap = new HashMap<String, String>();
for (Map.Entry<String, Response<String>> entry : getMap.entrySet()) {
resultMap.put(entry.getKey(), entry.getValue().get());
}
return resultMap;
}
});
if (logger.isDebugEnabled()) {
logger.debug("end RedisDaoSpi.query");
}
return getMap;
}
}
4.bean配置
redis.properties文件
# Redis settings
redis.host=localhost
redis.port=6379
redis.pass=P@ssw0rd
redis.maxIdle=300
redis.maxActive=600
redis.maxWait=1000
redis.testOnBorrow=true
redis.spring.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.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<context:property-placeholder location="classpath:properties/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="${redis.testOnBorrow}" />
</bean>
<bean id="jedisPool" class="redis.clients.jedis.JedisPool">
<constructor-arg index="0" ref="jedisPoolConfig" />
<constructor-arg index="1" value="${redis.host}" />
<constructor-arg index="2" value="${redis.port}" type="int" />
</bean>
<bean id="redisBaseDao" class="com.lgd.ssh.spider.Dao.Spi.RedisBaseDao">
<property name="jedisPool" ref="jedisPool"></property>
</bean>
<bean id="redisDao" class="com.lgd.ssh.spider.Dao.Spi.RedisDaoSpi" parent="redisBaseDao">
</bean>
</beans>
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