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.ArrayList;
020    import java.util.List;
021    import java.util.Map;
022    import java.util.concurrent.BlockingQueue;
023    
024    import org.apache.camel.Component;
025    import org.apache.camel.Consumer;
026    import org.apache.camel.Exchange;
027    import org.apache.camel.Processor;
028    import org.apache.camel.Producer;
029    import org.apache.camel.impl.DefaultEndpoint;
030    import org.apache.camel.spi.BrowsableEndpoint;
031    import org.apache.camel.util.ObjectHelper;
032    
033    /**
034     * An implementation of the <a
035     * href="http://activemq.apache.org/camel/queue.html">Queue components</a> for
036     * asynchronous SEDA exchanges on a {@link BlockingQueue} within a CamelContext
037     *
038     * @version $Revision: 56884 $
039     */
040    public class SedaEndpoint extends DefaultEndpoint<Exchange> implements BrowsableEndpoint<Exchange> {
041        private BlockingQueue<Exchange> queue;
042    
043        public SedaEndpoint(String endpointUri, Component component, BlockingQueue<Exchange> queue) {
044            super(endpointUri, component);
045            this.queue = queue;
046        }
047    
048        public SedaEndpoint(String uri, SedaComponent component, Map parameters) {
049            this(uri, component, component.createQueue(uri, parameters));
050        }
051    
052        public SedaEndpoint(String endpointUri, BlockingQueue<Exchange> queue) {
053            super(endpointUri);
054            ObjectHelper.notNull(queue, "queue");
055            this.queue = queue;
056        }
057    
058        public Producer createProducer() throws Exception {
059            return new CollectionProducer(this, getQueue());
060        }
061    
062        public Consumer createConsumer(Processor processor) throws Exception {
063            return new SedaConsumer(this, processor);
064        }
065    
066        public BlockingQueue<Exchange> getQueue() {
067            return queue;
068        }
069    
070        public boolean isSingleton() {
071            return true;
072        }
073    
074        public List<Exchange> getExchanges() {
075            return new ArrayList<Exchange>(getQueue());
076        }
077    }