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 org.apache.camel.Endpoint;
020 import org.apache.camel.Processor;
021 import org.apache.camel.impl.DefaultConsumer;
022
023 /**
024 * The direct consumer.
025 *
026 * @version $Revision: 789593 $
027 */
028 public class DirectConsumer extends DefaultConsumer {
029
030 private DirectEndpoint endpoint;
031
032 public DirectConsumer(Endpoint endpoint, Processor processor) {
033 super(endpoint, processor);
034 this.endpoint = (DirectEndpoint) endpoint;
035 }
036
037 @Override
038 public void start() throws Exception {
039 if (!endpoint.isAllowMultipleConsumers() && !endpoint.getConsumers().isEmpty()) {
040 throw new IllegalStateException("Endpoint " + endpoint.getEndpointUri() + " only allows 1 active consumer but you attempted to start a 2nd consumer.");
041 }
042
043 endpoint.getConsumers().add(this);
044 super.start();
045 }
046
047 @Override
048 public void stop() throws Exception {
049 super.stop();
050 endpoint.getConsumers().remove(this);
051 }
052
053 }