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/*****************************************************************************
* Copyright (c) 2011, 2016 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 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* CEA LIST - Initial API and implementation
* Christian W. Damus = bug 485220
*
*****************************************************************************/
package org.eclipse.papyrus.infra.tools;
import org.eclipse.core.runtime.Plugin;
import org.eclipse.papyrus.infra.core.log.LogHelper;
import org.eclipse.papyrus.infra.tools.spi.INotificationBuilderFactory;
import org.eclipse.papyrus.infra.tools.util.IExecutorService;
import org.osgi.framework.BundleContext;
import org.osgi.util.tracker.ServiceTracker;
/**
* The activator class controls the plug-in life cycle
*
* @since 2.0
*/
public class Activator extends Plugin {
/**
* The plug-in ID
*/
public static final String PLUGIN_ID = "org.eclipse.papyrus.infra.tools"; //$NON-NLS-1$
// The shared instance
private static Activator plugin;
/**
* The plug-in's logger
*/
public static LogHelper log;
private DelegatingUIExecutorService uiExecutorService;
private ServiceTracker<INotificationBuilderFactory, INotificationBuilderFactory> notificationBuilderTracker;
/**
* The constructor
*/
public Activator() {
}
@Override
public void start(BundleContext context) throws Exception {
super.start(context);
plugin = this;
log = new LogHelper(this);
notificationBuilderTracker = new ServiceTracker<>(context, INotificationBuilderFactory.class, null);
notificationBuilderTracker.open();
}
@Override
public void stop(BundleContext context) throws Exception {
notificationBuilderTracker.close();
if (uiExecutorService != null) {
uiExecutorService.shutdown(context);
uiExecutorService = null;
}
plugin = null;
super.stop(context);
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return plugin;
}
public synchronized IExecutorService getUIExecutorService() {
if (uiExecutorService == null) {
uiExecutorService = new DelegatingUIExecutorService(getBundle().getBundleContext());
}
return uiExecutorService;
}
public INotificationBuilderFactory getNotificationBuilderFactory() {
return notificationBuilderTracker.getService();
}
}
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