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 */ 017package org.apache.camel.component.direct; 018 019import org.apache.camel.AsyncCallback; 020import org.apache.camel.Exchange; 021import org.apache.camel.impl.DefaultAsyncProducer; 022import org.slf4j.Logger; 023import org.slf4j.LoggerFactory; 024 025/** 026 * The direct producer. 027 * 028 * @version 029 */ 030public class DirectProducer extends DefaultAsyncProducer { 031 private static final transient Logger LOG = LoggerFactory.getLogger(DirectProducer.class); 032 private final DirectEndpoint endpoint; 033 034 public DirectProducer(DirectEndpoint endpoint) { 035 super(endpoint); 036 this.endpoint = endpoint; 037 } 038 039 public void process(Exchange exchange) throws Exception { 040 if (endpoint.getConsumer() == null) { 041 if (endpoint.isFailIfNoConsumers()) { 042 throw new DirectConsumerNotAvailableException("No consumers available on endpoint: " + endpoint, exchange); 043 } else { 044 LOG.debug("message ignored, no consumers available on endpoint: {}", endpoint); 045 } 046 } else { 047 endpoint.getConsumer().getProcessor().process(exchange); 048 } 049 } 050 051 public boolean process(Exchange exchange, AsyncCallback callback) { 052 if (endpoint.getConsumer() == null) { 053 if (endpoint.isFailIfNoConsumers()) { 054 // indicate its done synchronously 055 exchange.setException(new DirectConsumerNotAvailableException("No consumers available on endpoint: " + endpoint, exchange)); 056 } else { 057 LOG.debug("message ignored, no consumers available on endpoint: {}", endpoint); 058 } 059 callback.done(true); 060 return true; 061 } else { 062 return endpoint.getConsumer().getAsyncProcessor().process(exchange, callback); 063 } 064 } 065 066}