Jedis工具类

<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig"><property name="maxActive" value="${redis.conf.maxActive}" /><property name="maxIdle" value="${redis.conf.maxIdle}" /><property name="maxWait" value="${redis.conf.maxWait}" /><property name="testOnBorrow" value="${redis.conf.testOnBorrow}" /></bean><bean id="shardedJedisPool" class="redis.clients.jedis.ShardedJedisPool"><constructor-arg index="0" ref="jedisPoolConfig" /><constructor-arg index="1"><list><bean class="redis.clients.jedis.JedisShardInfo"><constructor-arg index="0" value="${redis.host}" /><constructor-arg index="1" value="${redis.port}"type="int" /></bean></list></constructor-arg></bean>

package utils;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.Set;import redis.clients.jedis.Jedis;import redis.clients.jedis.JedisPool;import com.coola.jutil.j4log.Logger;/** * reids工具类 * */public class SpringRedisCacheService {private JedisPool jedisPool;  private String serverName;private boolean ALIVE = true;private boolean EXCEPTION_FALG = false;private static final Logger logger = Logger.getLogger("redis");public class MonitorThread extends Thread {public void run() {int sleepTime = 30000;int baseSleepTime = 1000;while (true) {try {// 30秒执行监听int n = sleepTime / baseSleepTime;for (int i = 0; i<n; i++) {if (EXCEPTION_FALG) {// 检查到异常，立即进行检测处理break;}Thread.sleep(baseSleepTime);}// 连续做3次连接获取int errorTimes = 0;for (int i = 0; i < 3; i++) {try {Jedis jedis = jedisPool.getResource();if (jedis == null) {errorTimes++;continue;}returnConnection(jedis);break;} catch (Exception e) {errorTimes++;continue;}}if (errorTimes == 3) {// 3次全部出错，表示服务器出现问题ALIVE = false;logger.error("redis[" + serverName + "] 服务器连接不上！ ！ ！" );// 修改休眠时间为5秒，尽快恢复服务sleepTime = 5000;} else {if (ALIVE == false) {ALIVE = true;// 修改休眠时间为30秒，尽快恢复服务sleepTime = 30000;logger.info("redis[" + serverName + "] 服务器恢复正常！ ！ ！" );}EXCEPTION_FALG = false;Jedis jedis = jedisPool.getResource();logger.info("redis[" + serverName + "] 当前记录数：" + jedis.dbSize());returnConnection(jedis);}} catch (Exception e) {}}}}/**        * 设置连接池        * @param 数据源       */     public void setJedisPool(JedisPool JedisPool) {this.jedisPool = JedisPool;      // 启动监听线程new MonitorThread().start();}       /**        * 获取连接池        * @return 数据源        */     public JedisPool getJedisPool() {return jedisPool;      }     public String getServerName() {return serverName;}public void setServerName(String serverName) {this.serverName = serverName;}/** * 判断服务器是否活动 * @return */public boolean isServerAlive() {return ALIVE;}/** * 获取连接 * @return */public Jedis getConnection() {Jedis jedis = null;try {if (ALIVE) {// 当前状态为活跃才获取连接，否则直接返回nulljedis = jedisPool.getResource();}} catch (Exception e) {EXCEPTION_FALG = true;}return jedis;}/**        * 关闭数据库连接        * @param conn        */     public void returnConnection(Jedis jedis) {          if (null != jedis) {             try {                  jedisPool.returnResource(jedis);              } catch (Exception e) {jedisPool.returnBrokenResource(jedis);}          }      }  /** * 关闭错误连接 * @param jedis */public void returnBorkenConnection(Jedis jedis) {if (null != jedis) {              jedisPool.returnBrokenResource(jedis);}      }/** * 设置key-value失效时间，序列化类型key * @param key * @param seconds * @return */public long expireObjectKey(Object key, int seconds) {return expire(serializable(key), seconds);}/** * 设置key-value失效时间，字符串类型key * @param key * @param seconds * @return */public long expire(String key, int seconds) {Jedis conn = getConnection();if (conn == null) {return -1;}try {long result = conn.expire(key, seconds);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return -1;}/** * 设置key-value失效时间，字节类型key * @param key * @param seconds * @return */public long expire(byte[] key, int seconds) {Jedis conn = getConnection();if (conn == null) {return -1;}try {long result = conn.expire(key, seconds);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return -1;}/** * 检查key是否存在缓存 * @param key * @return */public boolean checkKeyExisted(Object key) {Jedis conn = getConnection();if (conn == null) {return false;}boolean result = false;try {if (key instanceof String) {if (conn.exists((String)key)) {// 字符串key存在，直接返回returnConnection(conn);return true;}}result = conn.exists(serializable(key));returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}return result;}/** * 检查key是否存在 * @param key * @return 返回操作后的值 */public boolean checkKeyExisted(byte[] key) {Jedis conn = getConnection();if (conn == null) {return false;}boolean result = false;try {result = conn.exists(key);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}return result;}/** * 加1操作 * @param key * @return 返回操作后的值 */public long increase(String key) {return increase(key, 1);}/** * 加操作，指定加的量 * @param key * @param num * @return 返回操作后的值 */public long increase(String key, int num) {Jedis conn = getConnection();if (conn == null) {return -1;}try {long result = conn.incrBy(key, num);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return -1;}/** * 加1操作 * @param key * @return 返回操作后的值 */public long increase(byte[] key) {return increase(key, 1);}/** * 加操作，指定加的量 * @param key * @param num * @return */public long increase(byte[] key, int num) {Jedis conn = getConnection();if (conn == null) {return -1;}try {long result = conn.incrBy(key, num);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return -1;}/** * 减1操作 * @param key * @return 返回操作后的值 */public long decrease(String key) {return decrease(key, 1);}/** * 减操作，指定减的值 * @param key * @param num * @return 返回操作后的值 */public long decrease(String key, int num) {Jedis conn = getConnection();if (conn == null) {return -1;}try {long result = conn.decrBy(key, num);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return -1;}/** * 减1操作 * @param key * @return 返回操作后的值 */public long decrease(byte[] key) {return decrease(key, 1);}/** * 减操作，指定减的值 * @param key * @param num * @return 返回操作后的值 */public long decrease(byte[] key, int num) {Jedis conn = getConnection();if (conn == null) {return -1;}try {long result = conn.decrBy(key, num);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return -1;}/** * 删除缓存记录，先做字符串判断，不存在再对key做序列化处理 * @param key */public long delete(String key) {Jedis conn = getConnection();if (conn == null) {return -1;}try {long result = conn.del(key);if (result == 0) {result = conn.del(serializable(key));}returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return -1;}/** * 删除缓存记录，直接对key做序列化处理 * @param key * @return */public long deleteObjectKey(Object key) {return delete(serializable(key));}/** * 删除记录 * @param key * @return */public long delete(byte[] key) {Jedis conn = getConnection();if (conn == null) {return -1;}try {long result = conn.del(key);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return -1;}/** * 设置对象类型缓存项，无失效时间 * @param key * @param value */public void set(Object key, Object value) {set(serializable(key), serializable(value), -1);}/** * 设置对象类型缓存项，加入失效时间，单位为秒 * @param key * @param value * @param exp */public void set(Object key, Object value, int exp) {set(serializable(key), serializable(value), exp);}/** * 设置key-value项，字节类型 * @param key * @param value */public void set(byte[] key, byte[] value, int exp) {Jedis conn = getConnection();if (conn == null) {return;}try {if (exp > 0) {conn.setex(key, exp, value);} else {conn.set(key, value);}returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 获取对象类型 * @param key * @return */public Object get(Object key) {byte[] data = get(serializable(key));if (data != null) {return unserialize(data);}return null;}/** * 获取key value * @param key * @return */public byte[] get(byte[] key) {Jedis conn = getConnection();if (conn == null) {return null;}try {byte[] data = conn.get(key);returnConnection(conn);return data;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 设置字符串类型缓存项 * @param key * @param value */public void setString(String key, String value) {setString(key, value, -1);}/** * 存储字符串类型缓存项，加入失效时间，单位为秒 * @param key * @param value * @param exp */public void setString(String key, String value, int exp) {Jedis conn = getConnection();if (conn == null) {return;}try {if (exp > 0) {conn.setex(key, exp, value);} else {conn.set(key, value);}returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 获取字符串类型 * @param key * @return */public String getString(String key) {Jedis conn = getConnection();if (conn == null) {return null;}try {String value = conn.get(key);returnConnection(conn);return value;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 获取所有列表(默认从左边第一个开始) * @param listKey * @return */public List<Object> getListAll(Object listKey) {List<byte[]> data = getListAll(serializable(listKey));List<Object> result = new ArrayList<Object>();if (data != null && data.size() > 0) {for (byte[] item : data) {result.add(unserialize(item));}return result;}return null;}/** * 获取列表所有数据 * @param listKey * @return */public List<byte[]> getListAll(byte[] listKey) {Jedis conn = getConnection();if (conn == null) {return null;}try {List<byte[]> data = conn.lrange(serializable(listKey), 0, 1000000000);// 默认设置一个大数return data;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 从左边添加到list * @param listKey * @param value */public void addToListLeft(Object listKey, Object value) {addToListLeft(serializable(listKey), serializable(value));}/** * 从左边添加到list * @param listKey * @param value */public void addToListLeft(byte[] listKey, byte[] value) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.lpush(listKey, value);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 从右边添加到list * @param listKey * @param value */public void addToListRight(Object listKey, Object value) {addToListRight(serializable(listKey), serializable(value));}/** * 从右边添加到list * @param listKey * @param value */public void addToListRight(byte[] listKey, byte[] value) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.rpush(listKey, value);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 从左边移除一个对象，并返回该对象 * @param listKey * @return */public Object popFromListLeft(Object listKey) {return unserialize(popFromListLeft(serializable(listKey)));}/** * 从左边移除一个对象，并返回该对象 * @param listKey * @return */public byte[] popFromListLeft(byte[] listKey) {Jedis conn = getConnection();if (conn == null) {return null;}try {byte[] data = conn.lpop(listKey);returnConnection(conn);return data;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 从右边移除一个对象，并返回该对象 * @param listKey * @return */public Object popFromListRight(Object listKey) {return unserialize(popFromListRight(serializable(listKey)));}/** * 从右边移除一个对象，并返回该对象 * @param listKey * @return */public byte[] popFromListRight(byte[] listKey) {Jedis conn = getConnection();if (conn == null) {return null;}try {byte[] data = conn.rpop(listKey);returnConnection(conn);return data;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 获取列表长度 * @param listKey * @return */public int getLengthOfList(Object listKey) {return getLengthOfList(serializable(listKey));}/** * 获取列表长度 * @param listKey * @return */public int getLengthOfList(byte[] listKey) {Jedis conn = getConnection();if (conn == null) {return 0;}try {int length = conn.llen(listKey).intValue();returnConnection(conn);return length;} catch (Exception e) {returnBorkenConnection(conn);return 0;}}/** * 获取list某一范围的段 * @param listKey * @param start * @param size * @return */public List<Object> getListRange(Object listKey, int start, int size) {List<byte[]> data = getListRange(serializable(listKey), start, start + size - 1);if (data != null && data.size() > 0) {List<Object> result = new ArrayList<Object>();for (byte[] item : data) {result.add(unserialize(item));}return result;}return null;}/** * 获取list某一范围的段 * @param listKey * @param start * @param size * @return */public List<byte[]> getListRange(byte[] listKey, int start, int size) {Jedis conn = getConnection();if (conn == null) {return null;}try {List<byte[]> data = conn.lrange(listKey, start, start + size - 1);returnConnection(conn);return data;} catch (Exception e) {returnBorkenConnection(conn);return null;}}/** * 获取Map结构所有数据 * @param mapKey * @return */public Map<Object, Object> getMapAll(Object mapKey) {Map<byte[], byte[]> data = getMapAll(serializable(mapKey));if (data != null && data.size() > 0) {Map<Object, Object> result = new HashMap<Object, Object>();Set<byte[]> keys = data.keySet();for (byte[] key : keys) {result.put(unserialize(key), unserialize(data.get(key)));}return result;}return null;}/** * 获取Map结构所有数据 * @param mapKey * @return */public Map<byte[], byte[]> getMapAll(byte[] mapKey) {Jedis conn = getConnection();if (conn == null) {return null;}try {Map<byte[], byte[]> data = conn.hgetAll(mapKey);returnConnection(conn);return data;} catch (Exception e) {returnBorkenConnection(conn);return null;}}/** * 获取Map结构所有数据(key为String) * @param mapKey * @return */public Map<String, String> getStringMapAll(String mapKey) {Jedis conn = getConnection();if (conn == null) {return null;}try {Map<String,String> result = conn.hgetAll(mapKey);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);return null;}}/** * 获取Map所有数据，直接返回未序列化的结果，对一些特殊的应用场景更高效 * @param mapKey * @return */public Map<byte[], byte[]> getMapAllByte(Object mapKey) {Jedis conn = getConnection();if (conn == null) {return null;}try {Map<byte[], byte[]> result = conn.hgetAll(serializable(mapKey));returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);return null;}}/** * 添加到Map结构 * @param mapKey * @param field * @param value */public void putToMap(Object mapKey, Object field, Object value) {putToMap(serializable(mapKey), serializable(field), serializable(value));}/** * 添加到Map结构 * @param mapKey * @param field * @param value */public void putToMap(byte[] mapKey, byte[] field, byte[] value) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.hset(mapKey, field, value);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 添加到Map结构(key为String) * @param mapKey * @param field * @param value */public void putStringToMap(String mapKey, String field, String value) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.hset(mapKey,field,value);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 批量设置到hash数据结果，采用byte类型存储， * 取的时候得注意数据类型转换（例如：Map<key,value>中put数据时key的类型为String，那么get的时候需严格用String类型,否则get时会得不到你想要的） * @param mapKey * @param data */public void putToMap(Object mapKey, Map<Object, Object> data) {putToMap(serializable(mapKey), serializeMap(data));}/** * 批量设置到hash数据结果，采用byte类型存储 * @param mapKey * @param data */public void putToMap(byte[] mapKey, Map<byte[], byte[]> data) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.hmset(mapKey, data);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 添加到Map结构（key为String） * @param mapKey * @param data */public void putStringToMap(String mapKey, Map<String, String> data) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.hmset(mapKey, data);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 从Map结构中获取数据 * @param mapKey * @param field * @return */public Object getFromMap(Object mapKey, Object field) {return unserialize(getFromMap(serializable(mapKey), serializable(field)));}/** * 从Map结构中获取数据 * @param mapKey * @param field * @return */public byte[] getFromMap(byte[] mapKey, byte[] field) {Jedis conn = getConnection();if (conn == null) {return null;}try {byte[] data = conn.hget(mapKey, field);returnConnection(conn);return data;} catch (Exception e) {returnBorkenConnection(conn);return null;}}/** * 从map中移除记录 * @param mapKey * @param field */public void removeFromMap(Object mapKey, Object field) {removeFromMap(serializable(mapKey), serializable(field));}/** * 从map中移除记录 * @param mapKey * @param field */public void removeFromMap(byte[] mapKey, byte[] field) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.hdel(mapKey, field);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 添加到sorted set队列，字符串类型 * @param setKey * @param value * @param score */public void addToSortedSet(String setKey, String value, double score) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.zadd(setKey, score, value);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 添加到sorted set队列，java序列化对象类型 * @param setKey * @param value * @param score */public void addToSortedSet(Object setKey, Object value, double score) {addToSortedSet(serializable(setKey), serializable(value), score);}/** * 添加到sorted set队列，字节类型 * @param setKey * @param value * @param score */public void addToSortedSet(byte[] setKey, byte[] value, double score) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.zadd(setKey, score, value);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 批量添加到sorted set队列，字符串类型 * @param setKey * @param valueMap */public void addToSortedSet(String setKey, Map<Double, String> valueMap) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.zadd(setKey, valueMap);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 批量添加到sorted set队列，java序列化类型 * @param setKey * @param valueMap */public void addToSortedSet(Object setKey, Map<Double, Object> valueMap) {Set<Double> keys = valueMap.keySet();Map<Double, byte[]> buf = new HashMap<Double, byte[]>();if (keys != null && keys.size() > 0) {for (Double key : keys) {buf.put(key, serializable(valueMap.get(key)));}addToSortedSet(serializable(setKey), buf);}}/** * 批量添加到sorted set队列，字节类型 * @param setKey * @param valueMap */public void addToSortedSet(byte[] setKey, Map<Double, byte[]> valueMap) {Jedis conn = getConnection();if (conn == null) {return;}try {conn.zadd(setKey, valueMap);returnConnection(conn);} catch (Exception e) {returnBorkenConnection(conn);}}/** * 从sorted set中获取一定范围的段，按score从低到高 * @param sortKey * @param start * @param size * @return */public Set<String> getSortedSetRange(String sortKey, int start, int size) {Jedis conn = getConnection();if (conn == null) {return null;}try {Set<String> result = conn.zrange(sortKey, start, start + size - 1);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 从sorted set中获取一定范围的段，按score从高到低 * @param sortKey * @param start * @param size * @return */public Set<String> getSortedSetRangeReverse(String sortKey, int start, int size) {Jedis conn = getConnection();if (conn == null) {return null;}try {Set<String> result = conn.zrevrange(sortKey, start, start + size - 1);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 从sorted set中获取一定范围的段，字节类型，按score从低到高 * @param sortKey * @param start * @param size * @return */public Set<byte[]> getSortedSetRange(byte[] sortKey, int start, int size) {Jedis conn = getConnection();if (conn == null) {return null;}try {Set<byte[]> result = conn.zrange(sortKey, start, start + size - 1);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 从sorted set中获取一定范围的段，字节类型，按score从高到低 * @param sortKey * @param start * @param size * @return */public Set<byte[]> getSortedSetRangeReverse(byte[] sortKey, int start, int size) {Jedis conn = getConnection();if (conn == null) {return null;}try {Set<byte[]> result = conn.zrevrange(sortKey, start, start + size - 1);returnConnection(conn);return result;} catch (Exception e) {returnBorkenConnection(conn);}return null;}/** * 根据score从sorted set中移除记录 * @param keySet * @param score */public long removeFromSortedSetByScore(String keySet, double score) {Jedis conn = getConnection();if (conn == null) {return 0;}try {long cnt = conn.zremrangeByScore(keySet, score, score);returnConnection(conn);return cnt;} catch (Exception e) {returnBorkenConnection(conn);}return 0;}/** * 根据score从sorted set中移除记录 * @param keySet * @param score * @return */public long removeFromSortedSetByScore(byte[] keySet, double score) {Jedis conn = getConnection();if (conn == null) {return 0;}try {long cnt = conn.zremrangeByScore(keySet, score, score);returnConnection(conn);return cnt;} catch (Exception e) {returnBorkenConnection(conn);}return 0;}/** * map数据序列化转换 * @param data * @return */public static Map<byte[], byte[]> serializeMap(Map<Object, Object> data) {Map<byte[], byte[]> result = new HashMap<byte[], byte[]>();try {Set<Object> keys = data.keySet();if (keys != null && keys.size() > 0) {for (Object key : keys) {result.put(serializable(key), serializable(data.get(key)));}}} catch (Exception e) {}return result;}/** * 序列化处理 * @param obj * @return */public static byte[] serializable(Object obj) {if (obj == null) {return null;}ObjectOutputStream oos = null;ByteArrayOutputStream baos = null;try {// 序列化baos = new ByteArrayOutputStream();oos = new ObjectOutputStream(baos);oos.writeObject(obj);byte[] bytes = baos.toByteArray();return bytes;} catch (Exception e) {}return null;}/** * 反序列化处理 * @param bytes * @return */public static Object unserialize(byte[] bytes) {if (bytes == null) {return null;}ByteArrayInputStream bais = null;try {// 反序列化bais = new ByteArrayInputStream(bytes);ObjectInputStream ois = new ObjectInputStream(bais);return ois.readObject();} catch (Exception e) {}return null;}}