001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.camel.processor.resequencer; 018 019 import java.util.List; 020 021 import org.apache.camel.Exchange; 022 import org.apache.camel.Expression; 023 024 /** 025 * A {@link SequenceElementComparator} that compares {@link Exchange}s based on 026 * the result of an expression evaluation. 027 * 028 * @author Martin Krasser 029 * 030 * @version $Revision: 35332 $ 031 */ 032 public interface ExpressionResultComparator<E extends Exchange> extends SequenceElementComparator<E> { 033 034 /** 035 * Sets the list expressions used for comparing {@link Exchange}s. 036 * 037 * @param expressions a list of {@link Expression} objects. 038 */ 039 void setExpressions(List<Expression> expressions); 040 041 }