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.servicemix.jbi.nmr.flow;
018    
019    import javax.jbi.messaging.MessageExchange;
020    import javax.jbi.messaging.MessagingException;
021    
022    public interface FlowChooser {
023    
024        /**
025         * Choose a flow amongst the available flows.
026         * 
027         * @param flows
028         * @param exchange
029         * @return the selected flow (must be non-null)
030         * @throws MessagingException if a flow can not be chosen
031         */
032        Flow chooseFlow(Flow[] flows, MessageExchange exchange) throws MessagingException;
033        
034    }