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/*
 * 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;

/**
 * A processor is used to implement the
 *  Event Driven Consumer and
 *  Message Translator patterns and to process message
 * exchanges.
 * 
 * Notice if you use a {@link Processor} in a Camel route, then make sure to write the {@link Processor} in a
 * thread-safe way, as the Camel routes can potentially be executed by concurrent threads, and therefore multiple
 * threads can call the same {@link Processor} instance.
 */
@FunctionalInterface
public interface Processor {

    /**
     * Processes the message exchange
     *
     * @param  exchange  the message exchange
     * @throws Exception if an internal processing error has occurred.
     */
    void process(Exchange exchange) throws Exception;
}