| /** |
| * |
| * 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.cluster.monitoring; |
| |
| import org.apache.airavata.common.exception.ApplicationSettingsException; |
| import org.apache.airavata.common.utils.ServerSettings; |
| import org.quartz.*; |
| import org.quartz.impl.StdSchedulerFactory; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.quartz.Scheduler; |
| import org.quartz.SchedulerException; |
| |
| import static org.quartz.JobBuilder.newJob; |
| import static org.quartz.TriggerBuilder.*; |
| import static org.quartz.SimpleScheduleBuilder.*; |
| |
| public class ClusterStatusMonitorJobScheduler { |
| private final static Logger logger = LoggerFactory.getLogger(ClusterStatusMonitorJobScheduler.class); |
| |
| Scheduler scheduler; |
| |
| public ClusterStatusMonitorJobScheduler() throws SchedulerException { |
| scheduler = StdSchedulerFactory.getDefaultScheduler(); |
| scheduler.start(); |
| } |
| |
| public void scheduleClusterStatusMonitoring() throws SchedulerException, ApplicationSettingsException { |
| // define the job and tie it to our MyJob class |
| JobDetail job = newJob(ClusterStatusMonitorJob.class) |
| .withIdentity("cluster-status-monitoring", "airavata") |
| .build(); |
| |
| // Trigger the job to run now, and then repeat every 40 seconds |
| Trigger trigger = newTrigger() |
| .withIdentity("cluster-status-monitoring-trigger", "airavata") |
| .startNow() |
| .withSchedule(simpleSchedule() |
| .withIntervalInSeconds(Integer.parseInt(ServerSettings.getClusterStatusMonitoringRepatTime())) |
| .repeatForever()) |
| .build(); |
| |
| // Tell quartz to schedule the job using our trigger |
| scheduler.scheduleJob(job, trigger); |
| } |
| |
| public static void main(String[] args) throws SchedulerException, ApplicationSettingsException { |
| ClusterStatusMonitorJobScheduler jobScheduler = new ClusterStatusMonitorJobScheduler(); |
| jobScheduler.scheduleClusterStatusMonitoring(); |
| } |
| } |