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.component.direct;
018    
019    import java.util.HashMap;
020    import java.util.Map;
021    
022    import org.apache.camel.Endpoint;
023    import org.apache.camel.impl.DefaultComponent;
024    import org.apache.camel.util.ServiceHelper;
025    
026    /**
027     * Represents the component that manages {@link DirectEndpoint}. It holds the
028     * list of named direct endpoints.
029     *
030     * @version 
031     */
032    public class DirectComponent extends DefaultComponent {
033    
034        // must keep a map of consumers on the component to ensure endpoints can lookup old consumers
035        // later in case the DirectEndpoint was re-created due the old was evicted from the endpoints LRUCache
036        // on DefaultCamelContext
037        private final Map<String, DirectConsumer> consumers = new HashMap<String, DirectConsumer>();
038    
039        protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
040            Endpoint endpoint = new DirectEndpoint(uri, this, consumers);
041            setProperties(endpoint, parameters);
042            return endpoint;
043        }
044    
045        @Override
046        protected void doStop() throws Exception {
047            ServiceHelper.stopServices(consumers);
048            consumers.clear();
049            super.doStop();
050        }
051    }