| /******************************************************************************* |
| * Copyright (c) 2007 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.internal.registry.osgi; |
| |
| import java.util.Map; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.jobs.ISchedulingRule; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.core.runtime.spi.RegistryStrategy; |
| |
| /** |
| * Use Eclipse job scheduling mechanism. |
| */ |
| final public class ExtensionEventDispatcherJob extends Job { |
| // an "identy rule" that forces extension events to be queued |
| private final static ISchedulingRule EXTENSION_EVENT_RULE = new ISchedulingRule() { |
| public boolean contains(ISchedulingRule rule) { |
| return rule == this; |
| } |
| |
| public boolean isConflicting(ISchedulingRule rule) { |
| return rule == this; |
| } |
| }; |
| private Map deltas; |
| private Object[] listenerInfos; |
| private Object registry; |
| |
| public ExtensionEventDispatcherJob(Object[] listenerInfos, Map deltas, Object registry) { |
| // name not NL'd since it is a system job |
| super("Registry event dispatcher"); //$NON-NLS-1$ |
| setSystem(true); |
| this.listenerInfos = listenerInfos; |
| this.deltas = deltas; |
| this.registry = registry; |
| // all extension event dispatching jobs use this rule |
| setRule(EXTENSION_EVENT_RULE); |
| } |
| |
| public IStatus run(IProgressMonitor monitor) { |
| return RegistryStrategy.processChangeEvent(listenerInfos, deltas, registry); |
| } |
| } |