themeinstaller/source/src/com/nokia/tools/themeinstaller/installationmanager/Lock.java
/*
* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Helper class for waiting asynchronous operations.
*
*/
package com.nokia.tools.themeinstaller.installationmanager;
/**
* Helper class for waiting asynchronous operations.
*/
public class Lock
{
private boolean iNotify = false;
/*
* Calls wait() if unLock() hasn't been called.
* Causes thread to wait until unLock() is called.
*/
synchronized public void lock()
{
if( !iNotify )
{
try
{
wait();
}
catch ( InterruptedException e )
{
//ignore
}
}
iNotify = false;
}
/*
* Called when asynchronous operation is ready.
* Wakes up a thread that is waiting on this object's monitor.
*/
synchronized public void unLock()
{
iNotify = true;
notify();
}
}