trunk/camel-core/src/main/java/org/apache/camel/processor/resequencer/ExpressionResultComparator.java

/**
 * 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 org.apache.camel.Exchange;
import org.apache.camel.Expression;

/**
 * A {@link SequenceElementComparator} that compares {@link Exchange}s based on
 * the result of an expression evaluation.
 * 
 * @version 
 */
public interface ExpressionResultComparator extends SequenceElementComparator<Exchange> {

    /**
     * Set the expression sed for comparing {@link Exchange}s.
     * 
     * @param expression the expression
     */
    void setExpression(Expression expression);

}