/*******************************************************************************
* Copyright (c) 2006, 2012 Wind River Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.debug.test.util;
/**
* Copied and apdapted from org.eclipse.cdt.dsf.concurrent.
*
* Request monitor that allows data to be returned to the request initiator.
*
* @param V The type of the data object that this monitor handles.
*
* @since 1.0
*/
public class DataCallback<V> extends Callback {
/** Data object reference */
private V fData;
public DataCallback() {
this(null);
}
public DataCallback(Callback parentCallback) {
super(parentCallback);
}
/**
* Sets the data object to specified value. To be called by the
* asynchronous method implementor.
* @param data Data value to set.
*/
public synchronized void setData(V data) { fData = data; }
/**
* Returns the data value, null if not set.
*/
public synchronized V getData() { return fData; }
public void done(V data, Throwable error) {
setData(data);
done(error);
}
@Override
public String toString() {
if (getData() != null) {
return getData().toString();
} else {
return super.toString();
}
}
}