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.seda;
018    
019    import java.util.concurrent.TimeUnit;
020    
021    import org.apache.camel.Endpoint;
022    import org.apache.camel.Exchange;
023    import org.apache.camel.impl.PollingConsumerSupport;
024    import org.apache.camel.util.ObjectHelper;
025    
026    public class SedaPollingConsumer extends PollingConsumerSupport {
027    
028        public SedaPollingConsumer(Endpoint endpoint) {
029            super(endpoint);
030        }
031    
032        @Override
033        public SedaEndpoint getEndpoint() {
034            return (SedaEndpoint) super.getEndpoint();
035        }
036    
037        @Override
038        public Exchange receive() {
039            try {
040                return getEndpoint().getQueue().take();
041            } catch (InterruptedException e) {
042                Thread.currentThread().interrupt();
043                throw ObjectHelper.wrapRuntimeCamelException(e);
044            }
045        }
046    
047        @Override
048        public Exchange receiveNoWait() {
049            return getEndpoint().getQueue().poll();
050        }
051    
052        @Override
053        public Exchange receive(long timeout) {
054            try {
055                return getEndpoint().getQueue().poll(timeout, TimeUnit.MILLISECONDS);
056            } catch (InterruptedException e) {
057                Thread.currentThread().interrupt();
058                throw ObjectHelper.wrapRuntimeCamelException(e);
059            }
060        }
061    
062        @Override
063        protected void doStart() throws Exception {
064            // noop
065        }
066    
067        @Override
068        protected void doStop() throws Exception {
069            // noop
070        }
071    }