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.component.seda;
018
019import java.util.concurrent.TimeUnit;
020
021import org.apache.camel.Endpoint;
022import org.apache.camel.Exchange;
023import org.apache.camel.IsSingleton;
024import org.apache.camel.impl.PollingConsumerSupport;
025import org.apache.camel.util.ObjectHelper;
026
027public class SedaPollingConsumer extends PollingConsumerSupport implements IsSingleton {
028
029    public SedaPollingConsumer(Endpoint endpoint) {
030        super(endpoint);
031    }
032
033    @Override
034    public SedaEndpoint getEndpoint() {
035        return (SedaEndpoint) super.getEndpoint();
036    }
037
038    @Override
039    public Exchange receive() {
040        try {
041            return getEndpoint().getQueue().take();
042        } catch (InterruptedException e) {
043            Thread.currentThread().interrupt();
044            throw ObjectHelper.wrapRuntimeCamelException(e);
045        }
046    }
047
048    @Override
049    public Exchange receiveNoWait() {
050        return getEndpoint().getQueue().poll();
051    }
052
053    @Override
054    public Exchange receive(long timeout) {
055        try {
056            return getEndpoint().getQueue().poll(timeout, TimeUnit.MILLISECONDS);
057        } catch (InterruptedException e) {
058            Thread.currentThread().interrupt();
059            throw ObjectHelper.wrapRuntimeCamelException(e);
060        }
061    }
062
063    @Override
064    protected void doStart() throws Exception {
065        // noop
066    }
067
068    @Override
069    protected void doStop() throws Exception {
070        // noop
071    }
072
073    @Override
074    public boolean isSingleton() {
075        return true;
076    }
077}