Examples of redis.clients.jedis.Jedis.zcard()

redis.clients.jedis.Jedis.zcard()
Return the sorted set cardinality (number of elements). If the key does not exist 0 is returned, like for empty sorted sets.
Time complexity O(1) @param key @return the cardinality (number of elements) of the set as an integer.

        return zadd;
    }


    public Long zcard() {
        Jedis jedis = getResource();
        Long zadd = jedis.zcard(key());
        returnResource(jedis);
        return zadd;
    }


    private void returnResource(final Jedis jedis) {

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        String key = RedisSessionKeys.getSessionsKey();


        Long result;
        Jedis jedis = pool.getResource();
        try {
            result = jedis.zcard(key);
            pool.returnResource(jedis);
        } catch (Throwable e) {
            pool.returnBrokenResource(jedis);
            throw new RuntimeException(e);
        }

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