| /***************************************************************************** |
| * Copyright (c) 2016 CEA LIST. |
| * |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * David LOPEZ BETANCUR (CEA LIST) |
| * Sebastien REVOL (CEA LIST) |
| * |
| *****************************************************************************/ |
| package org.eclipse.papyrus.moka.xygraph.mapping.util; |
| |
| import java.util.HashMap; |
| import java.util.Set; |
| |
| public class LUT<K, V> { |
| private HashMap<K, V> key2Value; |
| private HashMap<V, K> value2Key; |
| |
| public LUT(){ |
| key2Value = new HashMap<>(); |
| value2Key = new HashMap<>(); |
| } |
| |
| public void put(K key, V value){ |
| key2Value.put(key, value); |
| value2Key.put(value, key); |
| } |
| |
| public V getValueOf(K key){ |
| return key2Value.get(key); |
| } |
| |
| public K getKeyOf(V value){ |
| return value2Key.get(value); |
| } |
| public Set<V> valueSet(){ |
| return value2Key.keySet(); |
| } |
| |
| public Set<K> keySet(){ |
| return key2Value.keySet(); |
| } |
| |
| public V remove(K key) { |
| V val = key2Value.remove(key); |
| value2Key.remove(val); |
| return val; |
| } |
| |
| public void dispose() { |
| key2Value.clear(); |
| value2Key.clear(); |
| } |
| |
| } |