func (task *Task) SetStopSequenceNumber(seqnum int64) {
	task.lock.Lock()
	defer task.lock.Unlock()

	task.StopSequenceNumber = seqnum
}
func (task *Task) SetStopSequenceNumber(seqnum int64) {
	task.lock.Lock()
	defer task.lock.Unlock()

	task.StopSequenceNumber = seqnum
}
// SetStopSequenceNumber sets the stop seqence number of a task