func (task *Task) GetStopSequenceNumber() int64 {
	task.lock.RLock()
	defer task.lock.RUnlock()

	return task.StopSequenceNumber
}
func (task *Task) GetStopSequenceNumber() int64 {
	task.lock.RLock()
	defer task.lock.RUnlock()

	return task.StopSequenceNumber
}
// GetStopSequenceNumber returns the stop sequence number of a task