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.directvm;
018    
019    import org.apache.camel.AsyncCallback;
020    import org.apache.camel.Exchange;
021    import org.apache.camel.impl.DefaultAsyncProducer;
022    
023    /**
024     * The direct-vm producer
025     */
026    public class DirectVmProducer extends DefaultAsyncProducer {
027    
028        private DirectVmEndpoint endpoint;
029    
030        public DirectVmProducer(DirectVmEndpoint endpoint) {
031            super(endpoint);
032            this.endpoint = endpoint;
033        }
034    
035        @Override
036        public void process(Exchange exchange) throws Exception {
037            // send to consumer
038            DirectVmConsumer consumer = endpoint.getComponent().getConsumer(endpoint);
039            if (consumer == null) {
040                throw new DirectVmConsumerNotAvailableException("No consumers available on endpoint: " + endpoint, exchange);
041            } else {
042                consumer.getProcessor().process(exchange);
043            }
044        }
045    
046        @Override
047        public boolean process(Exchange exchange, AsyncCallback callback) {
048            // send to consumer
049            DirectVmConsumer consumer = endpoint.getComponent().getConsumer(endpoint);
050            if (consumer == null) {
051                exchange.setException(new DirectVmConsumerNotAvailableException("No consumers available on endpoint: " + endpoint, exchange));
052                callback.done(true);
053                return true;
054            } else {
055                return endpoint.getConsumer().getAsyncProcessor().process(exchange, callback);
056            }
057        }
058    }