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/*******************************************************************************
* Copyright (c) 2007, 2008 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.tm.internal.tcf.debug.ui.commands;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.commands.IDebugCommandRequest;
import org.eclipse.debug.core.commands.IEnabledStateRequest;
import org.eclipse.debug.core.commands.ITerminateHandler;
import org.eclipse.tm.internal.tcf.debug.ui.Activator;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFModel;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFNode;
import org.eclipse.tm.internal.tcf.debug.ui.model.TCFRunnable;
import org.eclipse.tm.tcf.protocol.IToken;
import org.eclipse.tm.tcf.services.IRunControl;
public class TerminateCommand implements ITerminateHandler {
private final TCFModel model;
public TerminateCommand(TCFModel model) {
this.model = model;
}
public void canExecute(final IEnabledStateRequest monitor) {
new TCFRunnable(model.getDisplay(), monitor) {
public void run() {
Object[] elements = monitor.getElements();
boolean res = false;
for (int i = 0; i < elements.length; i++) {
TCFNode node = null;
if (elements[i] instanceof TCFNode) node = (TCFNode)elements[i];
else node = model.getRootNode();
while (node != null && !node.isDisposed()) {
if (!node.validateNode(this)) return;
IRunControl.RunControlContext ctx = node.getRunContext();
if (ctx != null && ctx.canTerminate()) {
res = true;
node = null;
}
else {
node = node.getParent();
if (node == null && model.getLaunch().canTerminate()) res = true;
}
}
}
monitor.setEnabled(res);
monitor.setStatus(Status.OK_STATUS);
done();
}
};
}
public boolean execute(final IDebugCommandRequest monitor) {
new TCFRunnable(model.getDisplay(), monitor) {
public void run() {
Object[] elements = monitor.getElements();
Set<IRunControl.RunControlContext> set = new HashSet<IRunControl.RunControlContext>();
for (int i = 0; i < elements.length; i++) {
TCFNode node = null;
if (elements[i] instanceof TCFNode) node = (TCFNode)elements[i];
else node = model.getRootNode();
while (node != null && !node.isDisposed()) {
if (!node.validateNode(this)) return;
IRunControl.RunControlContext ctx = node.getRunContext();
if (ctx != null && ctx.canTerminate()) {
set.add(ctx);
node = null;
}
else {
node = node.getParent();
if (node == null) set.add(null);
}
}
}
final Set<IToken> cmds = new HashSet<IToken>();
for (Iterator<IRunControl.RunControlContext> i = set.iterator(); i.hasNext();) {
IRunControl.RunControlContext ctx = i.next();
if (ctx == null) {
cmds.add(null);
model.getLaunch().terminate(new Runnable() {
public void run() {
assert cmds.contains(null);
cmds.remove(null);
if (cmds.isEmpty()) done();
}
});
}
else {
cmds.add(ctx.terminate(new IRunControl.DoneCommand() {
public void doneCommand(IToken token, Exception error) {
assert cmds.contains(token);
cmds.remove(token);
if (error != null) {
monitor.setStatus(new Status(IStatus.ERROR,
Activator.PLUGIN_ID, IStatus.OK, "Cannot resume", error));
}
if (cmds.isEmpty()) done();
}
}));
}
}
}
};
return false;
}
}
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