public interface QueueObserver
Queue observer interface.
Used to monitor changes to a queue.
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Method Summary
Modifier and TypeMethodDescriptionvoid
onQueueChange
(QueueStatus qstatus) Signal a queue-change event.
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Method Details
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onQueueChange
Signal a queue-change event.- Parameters:
qstatus
- an object (typically the queue itself) that allows one to determine the state of a queue
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