Java tutorial
/* * * 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.airavata.gfac.monitor.impl.push.amqp; import org.apache.airavata.common.utils.MonitorPublisher; import org.apache.airavata.gfac.core.monitor.MonitorID; import org.apache.airavata.gfac.monitor.core.MessageParser; import org.apache.airavata.gfac.monitor.exception.AiravataMonitorException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.rabbitmq.client.AMQP; import com.rabbitmq.client.Consumer; import com.rabbitmq.client.Envelope; import com.rabbitmq.client.ShutdownSignalException; public class BasicConsumer implements Consumer { private final static Logger logger = LoggerFactory.getLogger(AMQPMonitor.class); private MessageParser parser; private MonitorPublisher publisher; public BasicConsumer(MessageParser parser, MonitorPublisher publisher) { this.parser = parser; this.publisher = publisher; } public void handleCancel(String consumerTag) { } public void handleCancelOk(String consumerTag) { } public void handleConsumeOk(String consumerTag) { } public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) { logger.debug("job update for: " + envelope.getRoutingKey()); String message = new String(body); message = message.replaceAll("(?m)^", " "); // Here we parse the message and get the job status and push it // to the Event bus, this will be picked by // AiravataJobStatusUpdator and store in to registry logger.debug("************************************************************"); logger.debug("AMQP Message recieved \n" + message); logger.debug("************************************************************"); try { String jobID = envelope.getRoutingKey().split("\\.")[0]; MonitorID monitorID = new MonitorID(null, jobID, null, null, null, null, null); monitorID.setStatus(parser.parseMessage(message)); publisher.publish(monitorID); } catch (AiravataMonitorException e) { e.printStackTrace(); } } public void handleRecoverOk(String consumerTag) { } public void handleShutdownSignal(String consumerTag, ShutdownSignalException sig) { } }