【笔记】redis实现类

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package hry.redis.common.utils.impl;   import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set;   import javax.annotation.Resource;   import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject;   import hry.redis.common.utils.RedisService; import hry.redis.common.utils.SerializeUtil; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPubSub; import redis.clients.jedis.Tuple;   /**  */ public class RedisServiceImpl implements RedisService {       @Resource(name = "jedisPool")     private JedisPool jedisPool;       // 锁前缀     private static final String LOCK_PREFIX = "LOCK:LOCK_";       private static final int timeout = 20;       private static final int time = 10 * 1000;       @Override     public String save(String key, String value) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.set(key, value);         } catch (Exception e) {             e.printStackTrace();             return "";         } finally {             jedis.close();         }     }       @Override     public Map<String, String> getMap(String key) {         Jedis jedis = null;           try {             jedis = this.jedisPool.getResource();             Map<String, String> map = jedis.hgetAll(key);             Map var4 = map;             return var4;         } catch (Exception var8) {             var8.printStackTrace();         } finally {             jedis.close();         }           return null;     }       @Override     public String getMap(String key, String code) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             String ss = jedis.hget(key, code);             return ss;         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }         return null;     }       @Override     public void hset(String hkey, String key, String value) {         Jedis jedis = null;           try {             jedis = this.jedisPool.getResource();             jedis.hset(hkey,key,value);         } catch (Exception var8) {             var8.printStackTrace();         } finally {             jedis.close();         }       }       @Override     public <T> List<T> getList(String key) {         Jedis jedis = null;         try {               jedis = jedisPool.getResource();             byte[] in = jedis.get(key.getBytes());             List<T> list = (List<T>) SerializeUtil.unserialize(in);             return list;         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }         return null;     }       @Override     public <T> void setList(String key, List<T> list) {           Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.set(key.getBytes(), SerializeUtil.serialize(list));         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }     }       @Override     public void saveMap(String key, Map<String, String> map) {         Jedis jedis = null;           try {             jedis = this.jedisPool.getResource();             jedis.hmset(key, map);         } catch (Exception var8) {             ;         } finally {             jedis.close();         }       }       @Override     public void save(String key, String value, int second) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.set(key, value);             jedis.expire(key, second);         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }     }       @Override     public String get(String key) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.get(key);         } catch (Exception e) {             e.printStackTrace();             return "";         } finally {             jedis.close();         }     }       @Override     public Long delete(String key) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.del(key);         } catch (Exception e) {             e.printStackTrace();             return (long) 0;         } finally {             jedis.close();         }     }       @Override     public void setTime(String key, int second) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.expire(key, second);         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }     }         /***      *      * @param patt      * @return      */     @Override     public Set<String> keys(String patt) {           Jedis jedis = jedisPool.getResource();         try {             Set<String> keys = jedis.keys("*" + patt + "*");             return keys;         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }           return null;     }       @Override     public Set<String> hkeys(final String key){         Jedis jedis = jedisPool.getResource();         try {             Set<String> keys = jedis.hkeys(key);             return keys;         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }         return null;     }       @Override     public String getLendConfig(String key) {           String val = "";         Jedis jedis = jedisPool.getResource();         try {             String string = jedis.get("configCache:financeLendConfig");             JSONObject obj = JSON.parseObject(string);             if (null != key && obj.get(key) != null) {                 val = obj.get(key).toString();             }         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }         return val;       }       @Override     public String hget(String hkey, String key) {           Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.hget(hkey, key);         } catch (Exception e) {             e.printStackTrace();             return "";         } finally {             jedis.close();         }       }       @Override     public Map<String,String> hgetall(String hkey) {           Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.hgetAll(hkey);         } catch (Exception e) {             e.printStackTrace();             return null;         } finally {             jedis.close();         }       }       /**      * 获取key生存时间      */     @Override     public Long getKeyTime(String key) {         Jedis jedis = jedisPool.getResource();         try {             Long l = jedis.ttl(key);             return l;         } catch (Exception e) {         } finally {             jedis.close();         }         return null;     }       @Override     public Set<String> noPerkeys(String patt) {             Jedis jedis = jedisPool.getResource();         try {             Set<String> keys = jedis.keys(patt + "*");             return keys;         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }           return null;       }       /**      * 加锁      *      * @param key      * @return      */     @Override     public boolean lock(String key) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             String nkey = LOCK_PREFIX + key;             String value = System.currentTimeMillis() + time + "";             Long result = jedis.setnx(nkey, value);             if (result == 1) {                 jedis.expire(nkey, timeout);                 return true;             } else {                 String dkey = jedis.get(LOCK_PREFIX + key);                 Long skey = dkey != null ? Long.valueOf(dkey) : null;                 long currentTime = System.currentTimeMillis();                 if ((null != skey && skey > currentTime) || skey == null) {                     String svalue = System.currentTimeMillis() + time + "";                     Long setnx = jedis.setnx(nkey, svalue);                     if (setnx == 1) {                         jedis.expire(nkey, timeout);                         return true;                     }                 }             }         } catch (Exception e) {             e.printStackTrace();             return false;         } finally {             jedis.close();         }         return false;     }       /**      * 释放锁      *      * @param key      */     @Override     public void unLock(String key) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             String nkey = LOCK_PREFIX + key;               jedis.del(nkey);         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }     }       /**      * 保存一个单个键值对进到map里.如果mKey已经存在于map里将会覆盖之前的值。      *      * @param key      * @param mKey      * @param value      */     @Override     public void saveMap(String key, String mKey, String value) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.hset(key, mKey, value);         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }     }       /**      * 删除某个key 所对应的value。      *      * @param key      * @param mKey      * @return      */     @Override     public String delMapKey(String key, String mKey) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             String ss = jedis.hget(key, mKey);             return ss;         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }         return null;     }       @Override     public Long getExpireTime(String key) {         Long result = -2L;         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             result = jedis.ttl(key);             return result;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return result;     }       @Override     public void rpush(String key, String value) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.rpush(key,value);         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }     }     @Override     public void zadd(String key,double score, String value) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.zadd(key,score,value);         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }     }       @Override     public void zream(String key, double score) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.zremrangeByScore(key,score,score);         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }     }       @Override     public Set<String> zrange(String key, long start,long end) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.zrange(key,start,end);         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       @Override     public Set<String> zrangeByScore(String key, double min,double max) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return  jedis.zrangeByScore(key, min, max);         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       @Override     public Long setnx(String key, String value){         Jedis jedis = null;         Long result = null;         try {             jedis = jedisPool.getResource();             result = jedis.setnx(key, value);             return result;         } catch (Exception e){             e.printStackTrace();         } finally {             if (jedis != null) {                 jedisPool.returnResource(jedis);             }         }         return null;     }       @Override     public Long expire(String key, int seconds){         Jedis jedis = null;         Long result = null;         try {             jedis = jedisPool.getResource();             result = jedis.expire(key, seconds);             return result;         } catch (Exception e){             e.printStackTrace();         } finally {             if (jedis != null) {                 jedisPool.returnResource(jedis);             }         }         return null;     }         @Override     public void publish(String channel, String message) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.publish(channel,message);         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }     }       @Override     public void subscribe(JedisPubSub jedisPubSub, String channel) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             jedis.subscribe(jedisPubSub,channel);         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }     }       /**      * set sadd      * @param key      * @param val      * @return      * @author denghf      */     public Long sadd(String key, String... val){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.sadd(key, val);         } catch (Exception e) {             e.printStackTrace();             return 0L;         } finally {             jedis.close();         }     }       /**      * set smembers      * @param key      * @return      * @author denghf      */     public Set<String> smembers(String key){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Set<String> smembers = jedis.smembers(key);             return smembers;         } catch (Exception e) {             e.printStackTrace();             return null;         } finally {             jedis.close();         }     }       /**      * zremrangeByScore      * @param key      * @param scoreMin      * @param scoreMax      * @return      * @author denghf      */     @Override     public Long zremrangeByScore(String key, double scoreMin, double scoreMax) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Long aLong = jedis.zremrangeByScore(key, scoreMin, scoreMax);             return aLong;         } catch (Exception e) {             e.printStackTrace();             return null;         } finally {             jedis.close();         }     }       /**      * zscore      * @param key      * @param member      * @return      * @author denghf      */     public Long zrank(String key, String member){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Long aLong = jedis.zrank(key, member);             return aLong;         } catch (Exception e) {             e.printStackTrace();             return null;         } finally {             jedis.close();         }     }       /**      * zscore      * @param key      * @param member      * @return      * @author denghf      */     public Double zscore(String key, String member){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Double aLong = jedis.zscore(key, member);             return aLong;         } catch (Exception e) {             e.printStackTrace();             return null;         } finally {             jedis.close();         }     }       /**      * zrem      * @param key      * @param members      * @return      * @author denghf      */     public Long zrem(String key, String... members){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Long aLong = jedis.zrem(key, members);             return aLong;         } catch (Exception e) {             e.printStackTrace();             return null;         } finally {             jedis.close();         }     }       /**      * zrangeWithScores      * @param key      * @param start      * @param end      * @return      */     @Override     public Set<Tuple> zrangeWithScores(String key, long start,long end) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Set<Tuple> tuples = jedis.zrangeWithScores(key, start, end);             return tuples;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       /**      * lpop      * @param key      * @return      * @author denghf      */     public String lpop(String key){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             String lpop = jedis.lpop(key);             return lpop;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       /**      * lrange      * @param key      * @return      * @author denghf      */     public List<String> lrange(String key, long start, long end){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             List<String> lrange = jedis.lrange(key, start, end);             return lrange;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       /**      * lrem      * @param key      * @return      * @author denghf      */     public Long lrem(String key, long count, String value){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Long lrem = jedis.lrem(key, count, value);             return lrem;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       /**      * hdel      * @param key      * @return      * @author denghf      */     public Long hdel(String key, String... field){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Long hdel = jedis.hdel(key, field);             return hdel;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       /**      * lpush      * @param key      * @return      * @author denghf      */     public Long lpush(String key, String... val){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             Long lpush = jedis.lpush(key, val);             return lpush;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       /**      * set      * @param key      * @param val      * @author denghf      * @return      */     public String set(byte[] key, byte[] val){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             String set = jedis.set(key, val);             return set;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       /**      * get      * @param key      * @author denghf      * @return      */     public byte[] get(byte[] key){         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             byte[] bytes = jedis.get(key);             return bytes;         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }     @Override     public Set<String> delkeys(String patt) {           Jedis jedis = jedisPool.getResource();         try {             Set<String> keys = jedis.keys("*" + patt + "*");             Iterator<String> iterator = keys.iterator();             while (iterator.hasNext()) {                 jedis.del(iterator.next());             }               return keys;         } catch (Exception e) {             e.printStackTrace();         } finally {             jedis.close();         }           return null;     }       @Override     public Set<String> zrevrange(String key, long start,long end) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.zrevrange(key, start, end);         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     }       @Override     public Set<String> zrevrangeByScore(String key, String start,String end) {         Jedis jedis = null;         try {             jedis = jedisPool.getResource();             return jedis.zrevrangeByScore(key, start, end);         } catch (Exception e) {             e.printStackTrace();         } finally {             if(jedis != null) {                 jedis.close();             }         }         return null;     } }