api/java/src/main/java/com/navercorp/redis/cluster/connection/RedisProtocol.java
private static Long processInteger(final RedisInputStream is) {
        final String num = is.readLine();
        log.trace("[RedisProtocol] Reply integer. :{}", num);
        return Long.valueOf(num);
    }
private static Long processInteger(final RedisInputStream is) {
        final String num = is.readLine();
        log.trace("[RedisProtocol] Reply integer. :{}", num);
        return Long.valueOf(num);
    }
Process integer.

@param is the is
@return the long