org.sdw.scheduler.PeriodicUpdater.java Source code

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Here is the source code for org.sdw.scheduler.PeriodicUpdater.java

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 * 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,
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package org.sdw.scheduler;

import java.util.HashMap;
import java.util.Map;
import org.quartz.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.MessageProperties;
import org.sdw.scheduler.PeriodicScheduler;

/**
 * @author Ritesh Kumar Singh
 *
 */
public class PeriodicUpdater implements Job {
    public static final Logger LOG = LoggerFactory.getLogger(PeriodicUpdater.class);

    /**
     * Pushes messages to the shared queue on execution of triggers
     * @param JobExecutionContext Job execution context
     * @throws JobExecutionException 
     */
    @Override
    public void execute(JobExecutionContext jobExecutionContext) {
        try {
            Connection connection = PeriodicScheduler.factory.newConnection();
            Channel channel = connection.createChannel();
            String queueName = "work-queue-1";
            Map<String, Object> params = new HashMap<>();
            params.put("x-ha-policy", "all");
            channel.queueDeclare(queueName, true, false, false, params);
            String mesg = "Sent at: " + System.currentTimeMillis();
            byte[] body = mesg.getBytes("UTF-8");
            channel.basicPublish("", queueName, MessageProperties.PERSISTENT_TEXT_PLAIN, body);
            LOG.info("Message sent: " + mesg);
            connection.close();
        } catch (Exception ex) {
            LOG.error(ex.getMessage(), ex);
        }
    }
}