/**
* 删除指定的key,也可以传入一个包含key的数组
*
* @param keys 一个key 也可以使 string 数组
* @return 返回删除成功的个数
*/
public Long del(String key) {
ShardedJedis jedis = null;
try {
jedis = pool.getResource();
return jedis.del(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
return 0L;
} finally {
returnResource(pool, jedis);
}
}
/** * 通过key 和offset 从指定的位置开始将原先value替换 * * <p>下标从0开始,offset表示从offset下标开始替换 * * <p>如果替换的字符串长度过小则会这样 * * <p>example: * * <p>value : [email protected] * * <p>str : abc * * <p>从下标7开始替换 则结果为 * * <p>RES : bigsea.abc.cn * * @param key * @param str * @param offset 下标位置 * @return 返回替换后 value 的长度 */ public Long setrange(String key, String str, int offset) { ShardedJedis jedis = null; try { jedis = pool.getResource(); return jedis.setrange(key, offset, str); } catch (Exception e) { pool.returnBrokenResource(jedis); e.printStackTrace(); return 0L; } finally { returnResource(pool, jedis); } }
/**
* 判断key是否存在
*
* @param key
* @return true OR false
*/
public Boolean exists(String key) {
ShardedJedis jedis = null;
try {
jedis = pool.getResource();
return jedis.exists(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
return false;
} finally {
returnResource(pool, jedis);
}
}
/**
* 向redis存入key和value,并释放连接资源
*
* <p>如果key已经存在 则覆盖
*
* @param key
* @param value
* @return 成功 返回OK 失败返回 0
*/
public String set(String key, String value) {
ShardedJedis jedis = null;
try {
jedis = pool.getResource();
return jedis.set(key, value);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
return "0";
} finally {
returnResource(pool, jedis);
}
}
/**
* 通过key和field判断是否有指定的value存在
*
* @param key
* @param field
* @return
*/
public Boolean hexists(String key, String field) {
ShardedJedis jedis = null;
Boolean res = false;
try {
jedis = pool.getResource();
res = jedis.hexists(key, field);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key增加该zset中value的score的值
*
* @param key
* @param score
* @param member
* @return
*/
public Double zincrby(String key, double score, String member) {
ShardedJedis jedis = null;
Double res = null;
try {
jedis = pool.getResource();
res = jedis.zincrby(key, score, member);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key 和 fields 获取指定的value 如果没有对应的value则返回null
*
* @param key
* @param fields 可以使 一个String 也可以是 String数组
* @return
*/
public List<String> hmget(String key, String... fields) {
ShardedJedis jedis = null;
List<String> res = null;
try {
jedis = pool.getResource();
res = jedis.hmget(key, fields);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key判断value是否是set中的元素
*
* @param key
* @param member
* @return
*/
public Boolean sismember(String key, String member) {
ShardedJedis jedis = null;
Boolean res = null;
try {
jedis = pool.getResource();
res = jedis.sismember(key, member);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key获取list指定下标位置的value
*
* <p>如果start 为 0 end 为 -1 则返回全部的list中的value
*
* @param key
* @param start
* @param end
* @return
*/
public List<String> lrange(String key, long start, long end) {
ShardedJedis jedis = null;
List<String> res = null;
try {
jedis = pool.getResource();
res = jedis.lrange(key, start, end);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key在list指定的位置之前或者之后 添加字符串元素
*
* @param key
* @param where LIST_POSITION枚举类型
* @param pivot list里面的value
* @param value 添加的value
* @return
*/
public Long linsert(String key, LIST_POSITION where, String pivot, String value) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.linsert(key, where, pivot, value);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 设置key value并制定这个键值的有效期
*
* @param key
* @param value
* @param seconds 单位:秒
* @return 成功返回OK 失败和异常返回null
*/
public String setex(String key, String value, int seconds) {
ShardedJedis jedis = null;
String res = null;
try {
jedis = pool.getResource();
res = jedis.setex(key, seconds, value);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key删除指定score内的元素
*
* @param key
* @param start
* @param end
* @return
*/
public Long zremrangeByScore(String key, double start, double end) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.zremrangeByScore(key, start, end);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 返回指定区间内zset中value的数量
*
* @param key
* @param min
* @param max
* @return
*/
public Long zcount(String key, String min, String max) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.zcount(key, min, max);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key返回指定score内zset中的value
*
* @param key
* @param max
* @param min
* @return
*/
public Set<String> zrangeByScore(String key, double max, double min) {
ShardedJedis jedis = null;
Set<String> res = null;
try {
jedis = pool.getResource();
res = jedis.zrevrangeByScore(key, max, min);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过下标 和key 获取指定下标位置的 value
*
* @param key
* @param startOffset 开始位置 从0 开始 负数表示从右边开始截取
* @param endOffset
* @return 如果没有返回null
*/
public String getRange(String key, int startOffset, int endOffset) {
ShardedJedis jedis = null;
String res = null;
try {
jedis = pool.getResource();
res = jedis.getrange(key, startOffset, endOffset);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key获取所有的field和value
*
* @param key
* @return
*/
public Map<String, String> hgetall(String key) {
ShardedJedis jedis = null;
Map<String, String> res = null;
try {
jedis = pool.getResource();
res = jedis.hgetAll(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key获取储存在redis中的value
*
* <p>并释放连接
*
* @param key
* @return 成功返回value 失败返回null
*/
public String get(String key) {
ShardedJedis jedis = null;
String value = null;
try {
jedis = pool.getResource();
value = jedis.get(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return value;
}
/**
* 通过key从对应的list中删除指定的count个 和 value相同的元素
*
* @param key
* @param count 当count为0时删除全部
* @param value
* @return 返回被删除的个数
*/
public Long lrem(String key, long count, String value) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.lrem(key, count, value);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 减去指定的值
*
* @param key
* @param integer
* @return
*/
public Long decrBy(String key, Long integer) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.decrBy(key, integer);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key获取list中指定下标位置的value
*
* @param key
* @param index
* @return 如果没有返回null
*/
public String lindex(String key, long index) {
ShardedJedis jedis = null;
String res = null;
try {
jedis = pool.getResource();
res = jedis.lindex(key, index);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key 和 field 获取指定的 value
*
* @param key
* @param field
* @return 没有返回null
*/
public String hget(String key, String field) {
ShardedJedis jedis = null;
String res = null;
try {
jedis = pool.getResource();
res = jedis.hget(key, field);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key删除set中对应的value值
*
* @param key
* @param members 可以是一个String 也可以是一个String数组
* @return 删除的个数
*/
public Long srem(String key, String... members) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.srem(key, members);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key给指定的field的value加上给定的值
*
* @param key
* @param field
* @param value
* @return
*/
public Long hincrby(String key, String field, Long value) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.hincrBy(key, field, value);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key获取set中随机的value,不删除元素
*
* @param key
* @return
*/
public String srandmember(String key) {
ShardedJedis jedis = null;
String res = null;
try {
jedis = pool.getResource();
res = jedis.srandmember(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key向zset中添加value,score,其中score就是用来排序的
*
* <p>如果该value已经存在则根据score更新元素
*
* @param key
* @param scoreMembers
* @return
*/
public Long zadd(String key, Map<String, Double> scoreMembers) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.zadd(key, scoreMembers);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key向指定的value值追加值
*
* @param key
* @param str
* @return 成功返回 添加后value的长度 失败 返回 添加的 value 的长度 异常返回0L
*/
public Long append(String key, String str) {
ShardedJedis jedis = null;
Long res = null;
try {
jedis = pool.getResource();
res = jedis.append(key, str);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
return 0L;
} finally {
returnResource(pool, jedis);
}
return res;
}
