1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.debug.ui.internal;
14 import java.util.ArrayList;
15 import java.util.HashMap;
16 import java.util.List;
18 public class HashMultiMap<D,R> extends HashMap<D,List<R>> {
20 private static final long serialVersionUID = 8928508639019379832L;
22 public void add(D a, R b) {
23 List<R> elements = get(a);
24 if(elements == null) {
25 elements = new ArrayList<R>(1);
31 // public boolean remove(D a, R b) {
32 // List<R> elements = get(a);
33 // if(elements == null)
35 // if(elements.remove(b)) {
36 // // This would makes in some applications
37 // //if(elements.isEmpty())