redis 与 Spring 集成

ApplicationContent-reids.xml配置：
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">

<context:property-placeholder location="classpath:redis.properties" />
<context:component-scan base-package="com.sc.ew.redis" />

<bean id="shardedJedisPools" class="redis.clients.jedis.ShardedJedisPool">
<constructor-arg index="0" ref="jedisPoolConfig" />
<constructor-arg index="1">
<list>

<bean name="master" class="redis.clients.jedis.JedisShardInfo">
<constructor-arg index="0" value="192.168.1.250" />
<constructor-arg index="1" value="6379" type="int" />
<constructor-arg index="2" value="10000" type="int" />
</bean>
</list>
</constructor-arg>
</bean>

<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
<property name="maxTotal" value="5000" />
<property name="maxIdle" value="1000" />
<property name="minIdle" value="50" />
<property name="numTestsPerEvictionRun" value="1024" />
<property name="timeBetweenEvictionRunsMillis" value="30000" />
<property name="minEvictableIdleTimeMillis" value="-1" />
<property name="softMinEvictableIdleTimeMillis" value="10000" />
<property name="maxWaitMillis" value="10000" />
<property name="testOnBorrow" value="true" />
<property name="testWhileIdle" value="true" />
<property name="testOnReturn" value="false" />
<property name="jmxEnabled" value="true" />
<property name="jmxNamePrefix" value="youyuan" />
<property name="blockWhenExhausted" value="false" />
</bean>
</beans>

package com.sc.ew.redis.dao.source;

import redis.clients.jedis.ShardedJedis;

public interface RedisDataSource {
/**
* 取得redis的客户端，可以执行命令了。
* @return
*/
public abstract ShardedJedis getRedisClient();

public void returnResource(ShardedJedis shardedJedis);// 将资源返还给pool

public void returnResource(ShardedJedis shardedJedis, boolean broken);// 出现异常后，将资源返还给pool （其实不需要第二个方法）
}

package com.sc.ew.redis.dao.source.impl;

import javax.annotation.Resource;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Repository;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
import com.sc.ew.redis.dao.source.RedisDataSource;

@Repository
public class RedisDataSourceImpl implements RedisDataSource {

private static final Logger logger = Logger
.getLogger(RedisDataSourceImpl.class);

@Resource
private ShardedJedisPool shardedJedisPool;

public ShardedJedis getRedisClient() {
try {
ShardedJedis shardJedis = shardedJedisPool.getResource();
return shardJedis;
} catch (Exception e) {
logger.error("getRedisClent error", e);
}
return null;
}

public void returnResource(ShardedJedis shardedJedis) {
shardedJedisPool.returnResource(shardedJedis);
}

public void returnResource(ShardedJedis shardedJedis, boolean broken) {
if (broken) {
shardedJedisPool.returnBrokenResource(shardedJedis);
} else {
shardedJedisPool.returnResource(shardedJedis);
}
}
}

package com.sc.ew.redis.template;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.sc.ew.redis.dao.source.RedisDataSource;
import com.sc.ew.redis.util.SerializationUtils;
import redis.clients.jedis.ShardedJedis;

@Repository
public class RedisHashTemplate {

private static final Logger logger = Logger
.getLogger(RedisHashTemplate.class);

@Autowired
private RedisDataSource redisDataSource;

public void disconnect() {
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
shardedJedis.disconnect();
}

/**
* 将哈希表 key 中的域 field 的值设为 value 。如果 key 不存在，一个新的哈希表被创建并进行 HSET 操作。如果域
* field 已经存在于哈希表中，旧值将被覆盖。
*
* @param key
* @param field
* @param value
* @return
*/
public Long hset(String key, String field, String value) {
Long result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hset(key, field, value);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 将哈希表 key 中的域 field 的值设为 value 。如果 key 不存在，一个新的哈希表被创建并进行 HSET 操作。如果域
* field 已经存在于哈希表中，旧值将被覆盖。
*
* @param key
* @param field
* @param value
* @return
*/
public Long hsetObject(String key, String field, Object object) {
Long result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hset(key.getBytes(), field.getBytes(),
SerializationUtils.serialize(object));
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中给定域 field 的值。
*
* @param key
* @param field
* @return
*/
public String hget(String key, String field) {
String result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hget(key, field);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中给定域 field 的值。
*
* @param key
* @param field
* @return
*/
public Object hgetObject(String key, String field) {
Object result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = SerializationUtils.deserialize(shardedJedis.hget(
key.getBytes(), field.getBytes()));
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 将哈希表 key 中的域 field 的值设置为 value ，当且仅当域 field 不存在。若域 field 已经存在，该操作无效。如果
* key 不存在，一个新哈希表被创建并执行 HSETNX 命令。
*
* @param key
* @param field
* @param value
* @return
*/
public Long hsetnx(String key, String field, String value) {
Long result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hsetnx(key, field, value);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 同时将多个 field-value (域-值)对设置到哈希表 key 中。此命令会覆盖哈希表中已存在的域。
*
* @param key
* @param hash
* @return
*/
public String hmset(String key, Map<String, String> hash) {
String result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hmset(key, hash);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 同时将多个 field-value (域-值)对设置到哈希表 key 中。此命令会覆盖哈希表中已存在的域。
*
* @param key
* @param hash
* @return
*/
public String hmsetObject(String key, Map<String, Object> hashs) {
String result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
Map<byte[], byte[]> byteHash = new HashMap<byte[], byte[]>();
for (Map.Entry<String, Object> setMap : hashs.entrySet()) {
String keyMap = setMap.getKey();
Object valMap = setMap.getValue();
byteHash.put(keyMap.getBytes(),
SerializationUtils.serialize(valMap));
}

result = shardedJedis.hmset(key.getBytes(), byteHash);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 同时将多个 field-value (域-值)对设置到哈希表 key 中。此命令会覆盖哈希表中已存在的域。
*
* @param key
* @param hash
* @return
*/
public String hmsetMapObject(String key, Map<String, Map<String, Object>> hashs) {
String result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
Map<byte[], byte[]> byteHash = new HashMap<byte[], byte[]>();
for (Map.Entry<String, Map<String, Object>> setMap : hashs.entrySet()) {
String keyMap = setMap.getKey();
Object valMap = setMap.getValue();
byteHash.put(keyMap.getBytes(),
SerializationUtils.serialize(valMap));
}

result = shardedJedis.hmset(key.getBytes(), byteHash);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中，一个或多个给定域的值。如果给定的域不存在于哈希表，那么返回一个 nil 值。
*
* @param key
* @param fields
* @return
*/
public List<String> hmget(String key, String... fields) {
List<String> result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hmget(key, fields);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中，一个或多个给定域的值。如果给定的域不存在于哈希表，那么返回一个 nil 值。
*
* @param key
* @param fields
* @return
*/
public List<Object> hmgetObject(String key, String... fields) {
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
byte[][] bytes = new byte[fields.length][];
for (int i = 0; i < fields.length; i++) {
bytes[i] = fields[i].getBytes();
}
List<byte[]> resultList = shardedJedis.hmget(key.getBytes(), bytes);
List<Object> resultObject = new ArrayList<Object>();
for (byte[] byteList : resultList) {
resultObject.add(SerializationUtils.deserialize(byteList));
}
return resultObject;
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return null;
}

/**
* 为哈希表 key 中的域 field 的值加上增量 increment 。增量也可以为负数，相当于对给定域进行减法操作。
*
* @param key
* @param field
* @param value
* @return
*/
public Long hincrBy(String key, String field, long value) {
Long result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hincrBy(key, field, value);

} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 查看哈希表 key 中，给定域 field 是否存在。
*
* @param key
* @param field
* @return
*/
public Boolean hexists(String key, String field) {
Boolean result = false;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hexists(key, field);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 删除哈希表 key 中的一个或多个指定域，不存在的域将被忽略。
*
* @param key
* @param field
* @return
*/
public Long hdelAll(String key) {
Long result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
Set<String> keys = hkeys(key);
if(keys.size() > 0){
String[] arr = new String[keys.size()];
keys.toArray(arr);
result = hdel(key, arr);
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 删除哈希表 key 中的一个或多个指定域，不存在的域将被忽略。
*
* @param key
* @param field
* @return
*/
public Long hdel(String key, String... field) {
Long result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hdel(key, field);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中域的数量。
*
* @param key
* @return
*/
public Long hlen(String key) {
Long result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hlen(key);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中的所有域。
*
* @param key
* @return
*/
public Set<String> hkeys(String key) {
Set<String> result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hkeys(key);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中所有域的值。
*
* @param key
* @return
*/
public List<String> hvals(String key) {
List<String> result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hvals(key);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中，所有的域和值。在返回值里，紧跟每个域名(field
* name)之后是域的值(value)，所以返回值的长度是哈希表大小的两倍。
*
* @param key
* @return
*/
public Map<String, String> hgetAll(String key) {
Map<String, String> result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
result = shardedJedis.hgetAll(key);
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}

/**
* 返回哈希表 key 中，所有的域和值。在返回值里，紧跟每个域名(field
* name)之后是域的值(value)，所以返回值的长度是哈希表大小的两倍。
*
* @param key
* @return
*/
public Map<String, Object> hgetAllObject(String key) {
Map<String, Object> result = null;
ShardedJedis shardedJedis = null;
boolean broken = false;
try {
shardedJedis = redisDataSource.getRedisClient();
Map<byte[], byte[]> resultByteMap = shardedJedis.hgetAll(key
.getBytes());
result = new HashMap<String, Object>();
for (Map.Entry<byte[], byte[]> entrySet : resultByteMap.entrySet()) {
byte[] keyMap = entrySet.getKey();
byte[] valMap = entrySet.getValue();
result.put(new String(keyMap),
SerializationUtils.deserialize(valMap));
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
broken = true;
}finally {
            redisDataSource.returnResource(shardedJedis, broken);
        }
return result;
}
}

redis 与 Spring 集成

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