/* * #! * Ontopoly Editor * #- * Copyright (C) 2001 - 2013 The Ontopia Project * #- * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * !# */ package ontopoly.utils; import java.io.Serializable; import java.util.Comparator; import net.ontopia.utils.ObjectUtils; import ontopoly.model.Topic; public class TopicIdComparator implements Comparator<Topic>, Serializable { public static final TopicIdComparator INSTANCE = new TopicIdComparator(); private TopicIdComparator() { // don't call me } public int compare(Topic t1, Topic t2) { return ObjectUtils.compare(t1.getId(), t2.getId()); } }