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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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.te.tcf.processes.ui.internal.testers;
import java.util.concurrent.atomic.AtomicBoolean;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.tcf.processes.core.model.ProcessTreeNode;
/**
* The property tester for a process tree node.
*/
public class ProcessPropertyTester extends PropertyTester {
/*
* (non-Javadoc)
* @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
*/
@Override
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
if(receiver instanceof ProcessTreeNode) {
final ProcessTreeNode node = (ProcessTreeNode) receiver;
if(property.equals("isSystemRoot")) { //$NON-NLS-1$
return "ProcRootNode".equals(node.type); //$NON-NLS-1$
}
else if ("isAttached".equals(property) && expectedValue instanceof Boolean) { //$NON-NLS-1$
final AtomicBoolean isAttached = new AtomicBoolean();
Runnable runnable = new Runnable() {
@Override
public void run() {
if (node.pContext != null) {
isAttached.set(node.pContext.isAttached());
}
}
};
if (Protocol.isDispatchThread()) runnable.run();
else Protocol.invokeAndWait(runnable);
return ((Boolean)expectedValue).booleanValue() == isAttached.get();
}
}
return false;
}
}
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