/**
* 通过key将获取score从start到end中zset的value
*
* <p>socre从大到小排序
*
* <p>当start为0 end为-1时返回全部
*
* @param key
* @param start
* @param end
* @return
*/
public Set<String> zrevrange(String key, long start, long end) {
ShardedJedis jedis = null;
Set<String> res = null;
try {
jedis = pool.getResource();
res = jedis.zrevrange(key, start, end);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 获得排序集合
*
* @param key
* @param startRange
* @param endRange
* @param orderByDesc
* @return
*/
public Set<String> getSoredSetByRange(
String key, int startRange, int endRange, boolean orderByDesc) {
ShardedJedis shardedJedis = null;
try {
shardedJedis = slaveShardedJedisPool.getResource();
if (orderByDesc) {
return shardedJedis.zrevrange(key, startRange, endRange);
} else {
return shardedJedis.zrange(key, startRange, endRange);
}
} catch (Exception ex) {
logger.error("getSoredSetByRange error.", ex);
} finally {
returnResource(shardedJedis);
}
return null;
}
public List<String> zQueryByRank(String cacheKey, long startIndex, long endIndex, Order order)
throws Exception {
ShardedJedis jedis = null;
List<String> valueList = null;
try {
jedis = jedisPool.getResource();
Set<String> valueSet = null;
if (order.equals(Order.Asc)) {
valueSet = jedis.zrange(cacheKey, startIndex, endIndex);
} else {
valueSet = jedis.zrevrange(cacheKey, startIndex, endIndex);
}
valueList = new ArrayList<String>(valueSet);
} catch (Exception e) {
throw e;
} finally {
if (jedis != null) {
jedisPool.returnResource(jedis);
}
}
return valueList;
}