Copyright (c) 2005, 2012 IBM Corporation and others.
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:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2005, 2012 IBM Corporation and others.
 *
 * 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.internal.jobs;

import java.util.Hashtable;
import org.eclipse.core.runtime.jobs.IJobManager;
import org.osgi.framework.*;

The Jobs plugin class.
/**
 * The Jobs plugin class.
 */
public class JobActivator implements BundleActivator {

	
Eclipse property. Set to false to avoid registering JobManager
as an OSGi service.
/**
	 * Eclipse property. Set to <code>false</code> to avoid registering JobManager
	 * as an OSGi service.
	 */
	private static final String PROP_REGISTER_JOB_SERVICE = "eclipse.service.jobs"; //$NON-NLS-1$

	
The bundle associated this plug-in
/**
	 * The bundle associated this plug-in
	 */
	private static BundleContext bundleContext;

	
This plugin provides a JobManager service.
/**
	 * This plugin provides a JobManager service.
	 */
	private ServiceRegistration jobManagerService = null;

	
This method is called upon plug-in activation
/**
	 * This method is called upon plug-in activation
	 */
	@Override
	public void start(BundleContext context) throws Exception {
		bundleContext = context;
		JobOSGiUtils.getDefault().openServices();

		boolean shouldRegister = !"false".equalsIgnoreCase(context.getProperty(PROP_REGISTER_JOB_SERVICE)); //$NON-NLS-1$
		if (shouldRegister)
			registerServices();
	}

	
This method is called when the plug-in is stopped
/**
	 * This method is called when the plug-in is stopped
	 */
	@Override
	public void stop(BundleContext context) throws Exception {
		unregisterServices();
		JobManager.shutdown();
		JobOSGiUtils.getDefault().closeServices();
		bundleContext = null;
	}

	static BundleContext getContext() {
		return bundleContext;
	}

	private void registerServices() {
		jobManagerService = bundleContext.registerService(IJobManager.class.getName(), JobManager.getInstance(), new Hashtable<>());
	}

	private void unregisterServices() {
		if (jobManagerService != null) {
			jobManagerService.unregister();
			jobManagerService = null;
		}
	}
}