Class 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

Constructor Summary

Constructors
Modifier Constructor Description
protected AbstractOwnableSynchronizer()

Empty constructor for use by subclasses.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description
protected Thread getExclusiveOwnerThread()

Returns the thread last set by setExclusiveOwnerThread, or null if never set.
protected void setExclusiveOwnerThread​(Thread thread)

Sets the thread that currently owns exclusive access.

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractOwnableSynchronizer

protected AbstractOwnableSynchronizer()

Empty constructor for use by subclasses.

Method Detail

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