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.spring.javaconfig;
018    
019    import java.util.Collections;
020    import java.util.List;
021    
022    import org.apache.camel.builder.RouteBuilder;
023    import org.springframework.context.annotation.Bean;
024    
025    /**
026     * A useful base class for writing
027     * <a href="http://www.springsource.org/javaconfig">Spring JavaConfig</a>
028     * configurations to configure a CamelContext with a single {@link RouteBuilder} instance
029    
030     * @version $Revision: 17114 $
031     */
032    public abstract class SingleRouteCamelConfiguration extends CamelConfiguration {
033    
034        @Bean
035        public List<RouteBuilder> routes() {
036            return Collections.singletonList(route());
037        }
038    
039        /**
040         * Creates the single {@link RouteBuilder} to use in this configuration
041         */
042        public abstract RouteBuilder route();
043    }