to get the instance of observernotifierthreadpool class . concode_field_sep int MAX_POOL_SIZE concode_elem_sep TimeUnit TIME_UNIT concode_elem_sep ThreadPoolExecutor executor concode_elem_sep int CORE_POOL_SIZE concode_elem_sep ObserverNotifierThreadPool instance concode_elem_sep long THREAD_ALIVE_TIME concode_field_sep void executeTask
ObserverNotifierThreadPool function ( ) { return SingletonHelper . instance ; }