| /******************************************************************************* |
| * Copyright (c) 2005, 2015 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 |
| * James Blackburn (Broadcom Corp.) - ongoing development |
| * Lars Vogel <Lars.Vogel@vogella.com> - Bug 473427 |
| *******************************************************************************/ |
| package org.eclipse.core.resources.mapping; |
| |
| import java.util.*; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.*; |
| |
| /** |
| * A resource mapping that obtains the traversals for its model object |
| * from a set of child mappings. |
| * <p> |
| * This class is not intended to be subclasses by clients. |
| * |
| * @since 3.2 |
| */ |
| public final class CompositeResourceMapping extends ResourceMapping { |
| private final ResourceMapping[] mappings; |
| private final Object modelObject; |
| private IProject[] projects; |
| private String providerId; |
| |
| /** |
| * Create a composite mapping that obtains its traversals from a set of sub-mappings. |
| * @param modelObject the model object for this mapping |
| * @param mappings the sub-mappings from which the traversals are obtained |
| */ |
| public CompositeResourceMapping(String providerId, Object modelObject, ResourceMapping[] mappings) { |
| this.modelObject = modelObject; |
| this.mappings = mappings; |
| this.providerId = providerId; |
| } |
| |
| @Override |
| public boolean contains(ResourceMapping mapping) { |
| for (ResourceMapping childMapping : mappings) { |
| if (childMapping.contains(mapping)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Return the resource mappings contained in this composite. |
| * @return Return the resource mappings contained in this composite. |
| */ |
| public ResourceMapping[] getMappings() { |
| return mappings; |
| } |
| |
| @Override |
| public Object getModelObject() { |
| return modelObject; |
| } |
| |
| @Override |
| public String getModelProviderId() { |
| return providerId; |
| } |
| |
| @Override |
| public IProject[] getProjects() { |
| if (projects == null) { |
| Set<IProject> result = new HashSet<>(); |
| for (ResourceMapping mapping : mappings) { |
| result.addAll(Arrays.asList(mapping.getProjects())); |
| } |
| projects = result.toArray(new IProject[result.size()]); |
| } |
| return projects; |
| } |
| |
| @Override |
| public ResourceTraversal[] getTraversals(ResourceMappingContext context, IProgressMonitor monitor) throws CoreException { |
| SubMonitor subMonitor = SubMonitor.convert(monitor, mappings.length); |
| List<ResourceTraversal> result = new ArrayList<>(); |
| for (ResourceMapping mapping : mappings) { |
| Collections.addAll(result, mapping.getTraversals(context, subMonitor.newChild(1))); |
| } |
| return result.toArray(new ResourceTraversal[result.size()]); |
| } |
| |
| } |