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.hazelcast.seda;
018    
019    import java.io.Serializable;
020    import java.util.concurrent.BlockingQueue;
021    
022    import org.apache.camel.AsyncCallback;
023    import org.apache.camel.AsyncProcessor;
024    import org.apache.camel.Exchange;
025    import org.apache.camel.Producer;
026    import org.apache.camel.impl.DefaultProducer;
027    
028    /**
029     * Implementation of Hazelcast SEDA {@link Producer} component. Just appends exchange body into a Hazelcast {@link BlockingQueue}.
030     */
031    public class HazelcastSedaProducer extends DefaultProducer implements AsyncProcessor {
032    
033        private final transient BlockingQueue queue;
034    
035        public HazelcastSedaProducer(final HazelcastSedaEndpoint endpoint, final BlockingQueue hzlq) {
036            super(endpoint);
037            this.queue = hzlq;
038        }
039    
040        public void process(final Exchange exchange) throws Exception {
041            checkAndStore(exchange);
042        }
043    
044        public boolean process(final Exchange exchange, final AsyncCallback callback) {
045            checkAndStore(exchange);
046            callback.done(true);
047            return true;
048        }
049    
050        @SuppressWarnings("unchecked")
051        private void checkAndStore(final Exchange exchange) {
052            Object obj;
053            Object body = exchange.getIn().getBody();
054    
055            // in case body is not serializable convert to byte array
056            if (!(body instanceof Serializable)) {
057                obj = exchange.getIn().getBody(byte[].class);
058            } else {
059                obj = body;
060            }
061    
062            queue.add(obj);
063        }
064    
065    }