| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.camel.processor.resequencer; |
| |
| import java.util.Comparator; |
| |
| /** |
| * A strategy for comparing elements of a sequence. |
| * |
| * @version |
| */ |
| public interface SequenceElementComparator<E> extends Comparator<E> { |
| |
| /** |
| * Returns <code>true</code> if <code>o1</code> is an immediate predecessor |
| * of <code>o2</code>. |
| * |
| * @param o1 a sequence element. |
| * @param o2 a sequence element. |
| * @return true if its an immediate predecessor |
| */ |
| boolean predecessor(E o1, E o2); |
| |
| /** |
| * Returns <code>true</code> if <code>o1</code> is an immediate successor |
| * of <code>o2</code>. |
| * |
| * @param o1 a sequence element. |
| * @param o2 a sequence element. |
| * @return true if its an immediate successor |
| */ |
| boolean successor(E o1, E o2); |
| |
| } |