Interface IQueueDequeue
- All Known Subinterfaces:
IQueue
public interface IQueueDequeue
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Method Summary
Modifier and TypeMethodDescriptionblocking_dequeue
(int timeout_millis) Dequeue a single Event.Event[]
blocking_dequeue
(int timeout_millis, int num) Dequeue a multiple Events.Event[]
blocking_dequeue_all
(int timeout_millis) Dequeue all Events currently on queue.dequeue()
Dequeue a single event.Event[]
dequeue
(int num) Dequeue several events in one operation.Event[]
Dequeue all available Events.int
size()
Provide the current size of the queue (the number of Events) currently on the queue.
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Method Details
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dequeue
Event dequeue()Dequeue a single event. Returns null if no Events available for dequeue- Returns:
- Event the Event dequeued. Null if queue is empty.
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dequeue
Dequeue several events in one operation. num events are dequeued.- Returns:
- Event[] the Events dequeue. Returns null if there are not sufficient events on queue to support dequeuing num events
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dequeue_all
Event[] dequeue_all()Dequeue all available Events.- Returns:
- Event[] the events on this queue. Returns null if there are no events in queue
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blocking_dequeue
Dequeue a single Event. Blocks until an Event is available for dequeue, or until timeout_millis have elapsed. If timeout_millis is -1, dequeue does not timeout.- Parameters:
timeout_millis
- the timeout for a dequeue in milliseconds.- Returns:
- Event removed from queue. Returns null if no events on queue.
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blocking_dequeue
Dequeue a multiple Events. Blocks until num Events are available for dequeue, or until timeout_millis have elapsed. If timeout_millis is -1, dequeue does not timeout.- Parameters:
timeout_millis
- the timeout for a dequeue in milliseconds.num
- the number of Events to dequeue- Returns:
- Event [] the num Events removed from queue
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blocking_dequeue_all
Dequeue all Events currently on queue. Blocks until num Events are available for dequeue, or until timeout_millis have elapsed. If timeout_millis is -1, dequeue does not timeout.- Parameters:
timeout_millis
- the timeout for a dequeue in milliseconds.- Returns:
- Event [] the num Events removed from queue
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size
int size()Provide the current size of the queue (the number of Events) currently on the queue.- Returns:
- size the int size of the queue
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