package com.mkfree.redis.test;
import java.util.Set;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import redis.clients.jedis.Jedis;
/**
* 封装redis 缓存服务器服务接口
* @author hk
*
* 2012-12-16 上午3:09:18
*/
public class RedisService {
/**
* 通过key删除(字节)
* @param key
*/
public void del(byte [] key){
this.getJedis().del(key);
}
/**
* 通过key删除
* @param key
*/
public void del(String key){
this.getJedis().del(key);
}
/**
* 添加key value 并且设置存活时间(byte)
* @param key
* @param value
* @param liveTime
*/
public void set(byte [] key,byte [] value,int liveTime){
this.set(key, value);
this.getJedis().expire(key, liveTime);
}
/**
* 添加key value 并且设置存活时间
* @param key
* @param value
* @param liveTime
*/
public void set(String key,String value,int liveTime){
this.set(key, value);
this.getJedis().expire(key, liveTime);
}
/**
* 添加key value
* @param key
* @param value
*/
public void set(String key,String value){
this.getJedis().set(key, value);
}
/**添加key value (字节)(序列化)
* @param key
* @param value
*/
public void set(byte [] key,byte [] value){
this.getJedis().set(key, value);
}
/**
* 获取redis value (String)
* @param key
* @return
*/
public String get(String key){
String value = this.getJedis().get(key);
return value;
}
/**
* 获取redis value (byte [] )(反序列化)
* @param key
* @return
*/
public byte[] get(byte [] key){
return this.getJedis().get(key);
}
/**
* 通过正则匹配keys
* @param pattern
* @return
*/
public Set<String> keys(String pattern){
return this.getJedis().keys(pattern);
}
/**
* 检查key是否已经存在
* @param key
* @return
*/
public boolean exists(String key){
return this.getJedis().exists(key);
}
/**
* 清空redis 所有数据
* @return
*/
public String flushDB(){
return this.getJedis().flushDB();
}
/**
* 查看redis里有多少数据
*/
public long dbSize(){
return this.getJedis().dbSize();
}
/**
* 检查是否连接成功
* @return
*/
public String ping(){
return this.getJedis().ping();
}
/**
* 获取一个jedis 客户端
* @return
*/
private Jedis getJedis(){
if(jedis == null){
return jedisConnectionFactory.getShardInfo().createResource();
}
return jedis;
}
private RedisService (){
}
//操作redis客户端
private static Jedis jedis;
@Autowired
@Qualifier("jedisConnectionFactory")
private JedisConnectionFactory jedisConnectionFactory;
}