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.AsyncProcessor; 021 import org.apache.camel.CamelExchangeException; 022 import org.apache.camel.Exchange; 023 import org.apache.camel.impl.DefaultAsyncProducer; 024 import org.apache.camel.util.AsyncProcessorConverterHelper; 025 import org.apache.camel.util.AsyncProcessorHelper; 026 import org.slf4j.Logger; 027 import org.slf4j.LoggerFactory; 028 029 /** 030 * The direct-vm producer 031 */ 032 public class DirectVmProducer extends DefaultAsyncProducer { 033 034 private static final transient Logger LOG = LoggerFactory.getLogger(DirectVmProducer.class); 035 private DirectVmEndpoint endpoint; 036 037 public DirectVmProducer(DirectVmEndpoint endpoint) { 038 super(endpoint); 039 this.endpoint = endpoint; 040 } 041 042 @Override 043 public void process(Exchange exchange) throws Exception { 044 // send to consumer 045 DirectVmConsumer consumer = endpoint.getComponent().getConsumer(endpoint); 046 if (consumer == null) { 047 LOG.warn("No consumers available on endpoint: " + endpoint + " to process: " + exchange); 048 throw new CamelExchangeException("No consumers available on endpoint: " + endpoint, exchange); 049 } else { 050 consumer.getProcessor().process(exchange); 051 } 052 } 053 054 @Override 055 public boolean process(Exchange exchange, AsyncCallback callback) { 056 // send to consumer 057 DirectVmConsumer consumer = endpoint.getComponent().getConsumer(endpoint); 058 if (consumer == null) { 059 LOG.warn("No consumers available on endpoint: " + endpoint + " to process: " + exchange); 060 exchange.setException(new CamelExchangeException("No consumers available on endpoint: " + endpoint, exchange)); 061 callback.done(true); 062 return true; 063 } else { 064 AsyncProcessor processor = AsyncProcessorConverterHelper.convert(consumer.getProcessor()); 065 return AsyncProcessorHelper.process(processor, exchange, callback); 066 } 067 } 068 }