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/*****************************************************************************
* Copyright (c) 2013, 2014 CEA LIST, Christian W. Damus, 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:
* Remi Schnekenburger (CEA LIST) - Initial API and implementation
* Christian W. Damus - bug 399859
*
*****************************************************************************/
package org.eclipse.papyrus.uml.decoratormodel.internal.controlmode;
import java.util.concurrent.ExecutorService;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.papyrus.infra.core.log.LogHelper;
import org.eclipse.papyrus.infra.tools.util.UIUtil;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*/
public class Activator extends Plugin {
// The plug-in ID
public static final String PLUGIN_ID = "org.eclipse.papyrus.uml.decoratormodel.controlmode"; //$NON-NLS-1$
// The shared instance
private static Activator plugin;
/** logger helper */
public static LogHelper log;
private ExecutorService executorService;
public Activator() {
super();
}
@Override
public void start(BundleContext context) throws Exception {
super.start(context);
executorService = UIUtil.createUIExecutor(Display.getDefault());
plugin = this;
log = new LogHelper(this);
}
@Override
public void stop(BundleContext context) throws Exception {
executorService.shutdown();
executorService = null;
plugin = null;
log = null;
super.stop(context);
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return plugin;
}
public static IWorkbenchWindow getActiveWorkbenchWindow() {
IWorkbenchWindow result = null;
IWorkbench bench = PlatformUI.getWorkbench();
if (bench != null) {
result = bench.getActiveWorkbenchWindow();
if (result == null) {
IWorkbenchWindow[] allWindows = bench.getWorkbenchWindows();
if (allWindows.length > 0) {
result = allWindows[0];
}
}
}
return result;
}
public ExecutorService getExecutorService() {
return executorService;
}
/**
* Changes my executor service for asynchronous processing in control-mode refactorings.
*
* @param executorService
* the new executor service. Must not be {@code null}
*
* @return the formerly installed executor service (please restore it when you have finished with yours)
*
* @throws IllegalArgumentException
* if {@code executorService} is {@code null}
*/
public ExecutorService setExecutorService(ExecutorService executorService) {
if (executorService == null) {
throw new IllegalArgumentException("null executorService"); //$NON-NLS-1$
}
ExecutorService result = this.executorService;
this.executorService = executorService;
return result;
}
}
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