Start a background task. It can be either TaskRunnable or PersistedTaskRunnable @param run @return BackgroundTask to be kept if manual cancellation th

Cancels all the Threads for non persisted task in the ThreadPool

Terminate a specific backgroundTask. PersistedTaskRunnable will have no effects from this. @param backgroundTask Terminated task @param shouldClearPer

@return true if this runnable is still valid to be processed

Called by BackgroundTask in order to free itself from memory before being stored back in the BackgroundTaskWorkQueue (if it's not full) for future wor

Set the BackgroundTask in control of this runnable @param task

Cancels all tasks, even persisted ones

@param currentThread Current thread that this task is being processed on