org.eclipse.core.runtime.jobs
Class LockListener
java.lang.Object
org.eclipse.core.runtime.jobs.LockListener
-
public class LockListener
- extends
Object
A lock listener is notified whenever a thread is about to wait
on a lock, and when a thread is about to release a lock.
This class is for internal use by the platform-related plug-ins.
Clients outside of the base platform should not reference or subclass this class.
-
Since:
- 3.0
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See Also:
-
IJobManager.setLockListener(LockListener)
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Method Summary
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void
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aboutToRelease
()
Notification that a thread is about to release a lock. |
boolean
|
aboutToWait
(
Thread lockOwner)
Notification that a thread is about to block on an attempt to acquire a lock. |
protected boolean
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isLockOwnerThread
()
Returns whether this thread currently owns any locks |
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Methods inherited from class java.lang.
Object
|
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
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LockListener
public LockListener()
aboutToWait
public boolean aboutToWait(
Thread lockOwner)
- Notification that a thread is about to block on an attempt to acquire a lock.
Returns whether the thread should be granted immediate access to the lock.
This default implementation always returns false.
Subclasses may override.
-
-
Parameters:
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lockOwner - the thread that currently owns the lock this thread is
waiting for, or null if unknown.
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Returns:
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true if the thread should be granted immediate access,
and false if it should wait for the lock to be available
aboutToRelease
public void aboutToRelease()
- Notification that a thread is about to release a lock.
This default implementation does nothing. Subclasses may override.
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isLockOwnerThread
protected final boolean isLockOwnerThread()
- Returns whether this thread currently owns any locks
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-
Returns:
-
true if this thread owns any locks, and
false otherwise.
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Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.
