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TIBCO Rendezvous® 8.7.0

# TibrvQueue.poll()

Method

## Declaration

    boolean poll()
      throws TibrvException, java.lang.InterruptedException

## Purpose

Dispatch an event, if possible.

## Remarks

If the queue is not empty, then this call dispatches the event at the head of the queue, and then returns. If the queue is empty, then this call returns immediately.

When the call dispatches an event, it returns `true`. When the call does not dispatch an event, it returns `false`.

This call is equivalent to `timedDispatch(0)`.

## See Also

Interrupting Event Dispatch Threads

TibrvDispatchable

TibrvDispatchable.poll()

TibrvQueue.dispatch()

TibrvQueue.timedDispatch()

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