Class AbstractOwnableSynchronizer
- java.lang.Object
-
- java.util.concurrent.locks.AbstractOwnableSynchronizer
- All Implemented Interfaces:
- Serializable
- Direct Known Subclasses:
- AbstractQueuedLongSynchronizer, AbstractQueuedSynchronizer
public abstract class AbstractOwnableSynchronizer extends Object implements Serializable
A synchronizer that may be exclusively owned by a thread. This class provides a basis for creating locks and related synchronizers that may entail a notion of ownership. The AbstractOwnableSynchronizer class itself does not manage or use this information. However, subclasses and tools may use appropriately maintained values to help control and monitor access and provide diagnostics.
- Since:
- 1.6
- See Also:
- Serialized Form
Constructors
| Modifier | Constructor and Description |
|---|---|
protected |
AbstractOwnableSynchronizer() Empty constructor for use by subclasses. |
Methods
| Modifier and Type | Method and Description |
|---|---|
protected Thread |
getExclusiveOwnerThread() Returns the thread last set by |
protected void |
setExclusiveOwnerThread(Thread thread) Sets the thread that currently owns exclusive access. |
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait Constructors
AbstractOwnableSynchronizer
protected AbstractOwnableSynchronizer()
Empty constructor for use by subclasses.
Methods
setExclusiveOwnerThread
protected final void setExclusiveOwnerThread(Thread thread)
Sets the thread that currently owns exclusive access. A null argument indicates that no thread owns access. This method does not otherwise impose any synchronization or volatile field accesses.
- Parameters:
-
thread- the owner thread
getExclusiveOwnerThread
protected final Thread getExclusiveOwnerThread()
Returns the thread last set by setExclusiveOwnerThread, or null if never set. This method does not otherwise impose any synchronization or volatile field accesses.
- Returns:
- the owner thread
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https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/AbstractOwnableSynchronizer.html