org.jboss.util

Class WaitSemaphore

java.lang.Object

org.jboss.util.Semaphore

org.jboss.util.WaitSemaphore

All Implemented Interfaces:

Sync, WaitSync

public class WaitSemaphore
extends Semaphore
implements WaitSync

Wait exclusive semaphore with wait - notify primitives

Version:

$Revision$

Field Summary

Fields

Modifier and Type	Field and Description
private int	m_waiters
private static int	MAX_USERS_ALLOWED

Constructor Summary

Constructors

Constructor and Description
WaitSemaphore()

Method Summary

Modifier and Type	Method and Description
void	doNotify() Wakes up this sync that has been posed in wait status by a WaitSync.doWait() call.
void	doWait() Pone in wait status this sync, until WaitSync.doNotify() is called to wake it up.
int	getWaiters()
java.lang.String	toString()

Methods inherited from class org.jboss.util.Semaphore

acquire, getUsers, logAcquire, logDeadlock, logRelease, release, waitImpl

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jboss.util.Sync

acquire, release

Field Detail

MAX_USERS_ALLOWED

private static final int MAX_USERS_ALLOWED

See Also:

Constant Field Values

m_waiters

private int m_waiters

Constructor Detail

WaitSemaphore

public WaitSemaphore()

Method Detail

doWait

public void doWait()
            throws java.lang.InterruptedException

Description copied from interface: WaitSync

Pone in wait status this sync, until WaitSync.doNotify() is called to wake it up.

Specified by:

doWait in interface WaitSync

Throws:

java.lang.InterruptedException

See Also:

WaitSync.doNotify()

doNotify

public void doNotify()
              throws java.lang.InterruptedException

Description copied from interface: WaitSync

Wakes up this sync that has been posed in wait status by a WaitSync.doWait() call. If this sync is not waiting, invoking this method should have no effect.

Specified by:

doNotify in interface WaitSync

Throws:

java.lang.InterruptedException

See Also:

WaitSync.doWait()

getWaiters

public int getWaiters()

toString

public java.lang.String toString()

Overrides:

toString in class Semaphore