Package com.sun.jts.CosTransactions
Class EventSemaphore
- java.lang.Object
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- com.sun.jts.CosTransactions.EventSemaphore
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public class EventSemaphore extends Object
The EventSemaphore interface provides operations that wait for and post an event semaphore.This is specifically to handle the situation where the event may have been posted before the wait method is called. This behaviour is not supported by the existing wait and notify methods.
- Version:
- 0.01
- Author:
- Simon Holdsworth, IBM Corporation
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
isPosted()
void
waitEvent()
Waits for the event to be posted.void
waitTimeoutEvent(int cmtTimeout)
Waits for the event to be posted.
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Method Detail
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isPosted
public boolean isPosted()
- Returns:
- true if semaphore has already been posted.
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waitEvent
public void waitEvent() throws InterruptedException
Waits for the event to be posted.If the event has already been posted, then the operation returns immediately.
- Throws:
InterruptedException
- The wait was interrupted.
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waitTimeoutEvent
public void waitTimeoutEvent(int cmtTimeout) throws InterruptedException
Waits for the event to be posted. Release the thread waiting after the CMT Timeout period if no event has been posted during this timeout interval.If the event has already been posted, then the operation returns immediately.
- Parameters:
cmtTimeout
- - container managed transaction timeout- Throws:
InterruptedException
- The wait was interrupted.
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