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.listener;
018    
019    import org.apache.camel.Exchange;
020    import org.apache.camel.component.hazelcast.HazelcastComponentHelper;
021    import org.apache.camel.component.hazelcast.HazelcastConstants;
022    import org.apache.camel.component.hazelcast.HazelcastDefaultConsumer;
023    
024    public class CamelListener {
025    
026        private final String cacheName;
027        private final HazelcastDefaultConsumer consumer;
028    
029        public CamelListener(HazelcastDefaultConsumer consumer, String cacheName) {
030            super();
031            this.cacheName = cacheName;
032            this.consumer = consumer;
033        }
034    
035        protected void sendExchange(String operation, String key, Object value) {
036            Exchange exchange = consumer.getEndpoint().createExchange();
037    
038            // set object to body
039            exchange.getOut().setBody(value);
040    
041            // set headers
042            if (key != null) {
043                exchange.getOut().setHeader(HazelcastConstants.OBJECT_ID, key);
044            }
045    
046            HazelcastComponentHelper.setListenerHeaders(exchange, HazelcastConstants.CACHE_LISTENER, operation, cacheName);
047    
048            try {
049                consumer.getProcessor().process(exchange);
050            } catch (Exception e) {
051                if (exchange.getException() != null) {
052                    consumer.getExceptionHandler().handleException(String.format("Error processing exchange for hazelcast consumer on object '%s' in cache '%s'.", key, cacheName), exchange,
053                            exchange.getException());
054                }
055            }
056        }
057    
058        public String getCacheName() {
059            return cacheName;
060        }
061    
062        public HazelcastDefaultConsumer getConsumer() {
063            return consumer;
064        }
065    
066    }