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/*
* Copyright © 2017-2018 AT&T Intellectual Property.
* Modifications Copyright © 2018 IBM.
*
* Licensed 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.
*
*
* Unless otherwise specified, all documentation contained herein is licensed
* under the Creative Commons License, Attribution 4.0 Intl. (the "License");
* you may not use this documentation except in compliance with the License.
* You may obtain a copy of the License at
*
* https://creativecommons.org/licenses/by/4.0/
*
* Unless required by applicable law or agreed to in writing, documentation
* 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.onap.optf.cmso.eventq;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.util.Date;
import java.util.List;
import org.onap.optf.cmso.common.CmsoStatusEnum;
import org.onap.optf.cmso.common.LogMessages;
import org.onap.optf.cmso.dispatcher.CmJob;
import org.onap.optf.cmso.model.ChangeManagementSchedule;
import org.onap.optf.cmso.model.dao.ChangeManagementScheduleDao;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
/**
* This job will look for ChangeManagementSchedule approved jobs that are due
* within the next n intervals of this job and schedule them in as a Quartz
* CmJob to be dispatched. These ChangeManagementSchedule rows will be
* status=Queued The CmJob will confirm that the job is OK to be dispatched and
* set status=.... The next N intervals should be enough to ensure sluggish
* performance of this process does not miss events but does not exhaust
* memory....
*/
@Component
public class CmsoQueueJob {
private static EELFLogger debug = EELFManager.getInstance().getDebugLogger();
@Autowired
ChangeManagementScheduleDao cmScheduleDao;
@Autowired
SchedulerFactoryBean qsScheduler;
@Autowired
Environment env;
@Autowired
DispatchedEventList dispatchedEventList;
/**
* Queue imminent jobs.
*
* @return true, if successful
*/
public boolean queueImminentJobs() {
Integer interval = env.getProperty("cmso.cm.polling.job.interval.ms", Integer.class, 10000);
Integer lookahead = env.getProperty("cmso.cm.polling.job.lookahead.intervals", Integer.class, 5);
long now = System.currentTimeMillis();
Long endTime = now + (interval * lookahead);
List<ChangeManagementSchedule> schedules =
cmScheduleDao.findByStatusAndEndTime(CmsoStatusEnum.Scheduled.toString(), endTime);
if (schedules.size() == 0) {
return false;
}
for (ChangeManagementSchedule schedule : schedules) {
try {
if (!dispatchedEventList.isAlreadyDispatched(schedule.getUuid())) {
scheduleCmJob(schedule);
dispatchedEventList.addToDispathcedEventList(schedule.getUuid());
}
} catch (org.quartz.SchedulerException e) {
debug.debug(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
// WIll keep trying until it goes Past due
schedule.setStatus(CmsoStatusEnum.Scheduled.toString());
schedule.setDispatcherInstance("");
updateScheduleStatus(schedule);
} catch (Exception e) {
debug.debug(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
schedule.setStatus(CmsoStatusEnum.Scheduled.toString());
schedule.setDispatcherInstance("");
updateScheduleStatus(schedule);
}
}
return false;
}
/**
* Schedule cm job.
*
* @param schedule the schedule
* @throws Exception the scheduler exception
*/
public void scheduleCmJob(ChangeManagementSchedule schedule) throws org.quartz.SchedulerException {
//
Integer dispatherLeadTime = env.getProperty("cmso.cm.dispatcher.lead.time.ms", Integer.class, 5000);
long dispatchTime = 0;
Long startTime = schedule.getStartTimeMillis();
/// If startTIme is null, it is an immediate start
if (startTime != null) {
dispatchTime = startTime - dispatherLeadTime;
}
JobDetail jobDetail = JobBuilder.newJob(CmJob.class).build();
jobDetail.getJobDataMap().put("key", schedule.getUuid().toString());
TriggerBuilder<Trigger> tb = TriggerBuilder.newTrigger().forJob(jobDetail);
long now = System.currentTimeMillis();
if (now > dispatchTime) {
tb.startNow();
}
else {
tb.startAt(new Date(dispatchTime));
}
Trigger trigger = tb.build();
qsScheduler.getScheduler().scheduleJob(jobDetail, trigger);
}
/**
* Update schedule status.
*
* @param cmSchedule the cm schedule
*/
@Transactional
public void updateScheduleStatus(ChangeManagementSchedule cmSchedule) {
cmScheduleDao.save(cmSchedule);
}
}
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