| /******************************************************************************* |
| * Copyright (c) 2003, 2010 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 |
| * Rob Harrop - SpringSource Inc. (bug 247522) |
| *******************************************************************************/ |
| package org.eclipse.osgi.internal.resolver; |
| |
| import org.eclipse.osgi.framework.internal.core.*; |
| import org.eclipse.osgi.service.resolver.*; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.BundleException; |
| |
| // this class provides synchronous access to resolve and add/remove/update bundle for the framework |
| public class SystemState extends StateImpl { |
| private final Framework framework; |
| |
| public SystemState(BundleContext context) { |
| this.framework = context == null ? null : ((BundleContextImpl) context).getFramework(); |
| } |
| |
| @Override |
| boolean basicAddBundle(BundleDescription description) { |
| if (framework != null && description.getUserObject() == null) { |
| // We always set the user object to a BundleReference object; |
| // This allows the resolver to implement BundleRevisions for |
| // the resolver hooks. |
| AbstractBundle bundle = framework.getBundle(description.getBundleId()); |
| description.setUserObject(bundle != null ? bundle.getBundleData() : null); |
| } |
| return super.basicAddBundle(description); |
| } |
| |
| /** |
| * @throws BundleException |
| */ |
| public StateDelta compare(State state) throws BundleException { |
| // we don't implement this (no big deal: the system state is private to the framework) |
| throw new UnsupportedOperationException(); |
| } |
| } |