| /******************************************************************************* |
| * Copyright (c) 2018-2019 Aston University. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the Eclipse |
| * Public License, v. 2.0 are satisfied: GNU General Public License, version 3. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-3.0 |
| * |
| * Contributors: |
| * Antonio Garcia-Dominguez - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.hawk.epsilon.emc.contextful; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.function.Function; |
| |
| import org.eclipse.hawk.core.graph.IGraphEdge; |
| import org.eclipse.hawk.core.graph.IGraphNode; |
| import org.eclipse.hawk.epsilon.emc.EOLQueryEngine; |
| import org.eclipse.hawk.graph.ModelElementNode; |
| |
| /** |
| * Finds all the instances of a type by starting from the types, and then |
| * filtering their contents by file. Faster for rare types in large subtrees. |
| */ |
| public class TypeFirstAllOf implements AllOf { |
| private Function<IGraphNode, Iterable<? extends IGraphNode>> allFiles; |
| private EOLQueryEngine engine; |
| |
| public TypeFirstAllOf(Function<IGraphNode, Iterable<? extends IGraphNode>> allFiles, EOLQueryEngine engine) { |
| this.allFiles = allFiles; |
| this.engine = engine; |
| } |
| |
| @Override |
| public void addAllOf(IGraphNode typeNode, String typeorkind, Collection<Object> nodes) { |
| final Set<IGraphNode> files = new HashSet<>(); |
| for (IGraphNode f : allFiles.apply(typeNode)) { |
| files.add(f); |
| } |
| |
| for (IGraphEdge n : typeNode.getIncomingWithType(typeorkind)) { |
| IGraphNode node = n.getStartNode(); |
| for (IGraphEdge e : node.getOutgoingWithType(ModelElementNode.EDGE_LABEL_FILE)) { |
| if (files.contains(e.getEndNode())) { |
| nodes.add(engine.wrap(node)); |
| } |
| } |
| } |
| } |
| |
| } |