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 */
017package org.apache.camel.spi;
018
019import org.apache.camel.Exchange;
020
021/**
022 * Allows to be used in combination with <tt>NotifyBuilder</tt> as external predicate implementations to compute
023 * if the exchange matches.
024 * <p/>
025 * This is used by the mock endpoint, for example.
026 */
027public interface NotifyBuilderMatcher {
028
029    /**
030     * When an exchange was received
031     *
032     * @param exchange the exchange
033     */
034    void notifyBuilderOnExchange(Exchange exchange);
035
036    /**
037     * Whether the predicate matches
038     */
039    boolean notifyBuilderMatches();
040
041    /**
042     * Reset state
043     */
044    void notifyBuilderReset();
045    
046}