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/*******************************************************************************
 * Copyright (c) 2013 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.locator.steps;

import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
import org.eclipse.tcf.te.tcf.locator.interfaces.IModelListener;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.ILocatorModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.model.Model;

/**
 * Signal peer disconnected step.
 */
public class SignalPeerDisconnectedStep extends AbstractPeerModelStep {

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#validateExecute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor)
	 */
	@Override
	public void validateExecute(IStepContext context, IPropertiesContainer data, IFullQualifiedId fullQualifiedId, IProgressMonitor monitor) throws CoreException {
	}

	/* (non-Javadoc)
	 * @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#execute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
	 */
	@Override
	public void execute(final IStepContext context, final IPropertiesContainer data, final IFullQualifiedId fullQualifiedId, final IProgressMonitor monitor, final ICallback callback) {
		Assert.isNotNull(context);
		Assert.isNotNull(data);
		Assert.isNotNull(fullQualifiedId);
		Assert.isNotNull(monitor);
		Assert.isNotNull(callback);

		final IPeerModel peerModel = getActivePeerModelContext(context, data, fullQualifiedId);
		if (peerModel != null) {
			Protocol.invokeLater(new Runnable() {
				@Override
				public void run() {
					ILocatorModel model = Model.getModel();
					for (IModelListener listener : model.getListener()) {
						listener.locatorModelChanged(model, peerModel, false);
					}
					callback.done(SignalPeerDisconnectedStep.this, Status.OK_STATUS);
				}
			});
		}
	}

}

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