| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.component.jgroups; |
| |
| import org.apache.camel.AsyncCallback; |
| import org.apache.camel.AsyncProcessor; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.support.AsyncProcessorConverterHelper; |
| import org.apache.camel.util.ObjectHelper; |
| import org.jgroups.Message; |
| import org.jgroups.ReceiverAdapter; |
| import org.jgroups.View; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Implementation of JGroups message receiver ({@code org.jgroups.Receiver}) wrapping incoming messages into Camel |
| * exchanges. Used by {@link JGroupsConsumer}. |
| */ |
| public class CamelJGroupsReceiver extends ReceiverAdapter { |
| |
| private static final transient Logger LOG = LoggerFactory.getLogger(CamelJGroupsReceiver.class); |
| |
| private final JGroupsEndpoint endpoint; |
| private final AsyncProcessor processor; |
| |
| public CamelJGroupsReceiver(JGroupsEndpoint endpoint, Processor processor) { |
| ObjectHelper.notNull(endpoint, "endpoint"); |
| ObjectHelper.notNull(processor, "processor"); |
| |
| this.endpoint = endpoint; |
| this.processor = AsyncProcessorConverterHelper.convert(processor); |
| } |
| |
| @Override |
| public void viewAccepted(View view) { |
| if (endpoint.isEnableViewMessages()) { |
| Exchange exchange = endpoint.createExchange(view); |
| try { |
| LOG.debug("Processing view: {}", view); |
| processor.process(exchange, new AsyncCallback() { |
| @Override |
| public void done(boolean doneSync) { |
| // noop |
| } |
| }); |
| } catch (Exception e) { |
| throw new JGroupsException("Error in consumer while dispatching exchange containing view " + view, e); |
| } |
| } else { |
| LOG.debug("Option enableViewMessages is set to false. Skipping processing of the view: {}", view); |
| } |
| } |
| |
| @Override |
| public void receive(Message message) { |
| Exchange exchange = endpoint.createExchange(message); |
| try { |
| LOG.debug("Processing message: {}", message); |
| processor.process(exchange, new AsyncCallback() { |
| @Override |
| public void done(boolean doneSync) { |
| // noop |
| } |
| }); |
| } catch (Exception e) { |
| throw new JGroupsException("Error in consumer while dispatching exchange containing message " + message, e); |
| } |
| } |
| |
| } |