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/*
* Copyright 2017 ZTE Corporation.
*
* 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.
*/
package org.onap.holmes.engine.dmaap;
import lombok.extern.slf4j.Slf4j;
import org.onap.holmes.common.api.entity.AlarmInfo;
import org.onap.holmes.common.api.stat.VesAlarm;
import org.onap.holmes.common.exception.AlarmInfoException;
import org.onap.holmes.common.exception.CorrelationException;
import org.onap.holmes.dsa.dmaappolling.Subscriber;
import org.onap.holmes.engine.db.AlarmInfoDao;
import org.onap.holmes.engine.manager.DroolsEngine;
import java.util.ArrayList;
import java.util.List;
@Slf4j
public class DMaaPAlarmPolling implements Runnable {
private Subscriber subscriber;
private DroolsEngine droolsEngine;
private volatile boolean isAlive = true;
private AlarmInfoDao alarmInfoDao;
public DMaaPAlarmPolling(Subscriber subscriber, DroolsEngine droolsEngine, AlarmInfoDao alarmInfoDao) {
this.subscriber = subscriber;
this.droolsEngine = droolsEngine;
this.alarmInfoDao = alarmInfoDao;
}
public void run() {
while (isAlive) {
List<VesAlarm> vesAlarmList = new ArrayList<>();
try {
vesAlarmList = subscriber.subscribe();
vesAlarmList.forEach(vesAlarm -> {
try {
alarmInfoDao.saveAlarm(getAlarmInfo(vesAlarm));
droolsEngine.putRaisedIntoStream(vesAlarm);
} catch(AlarmInfoException e) {
log.error("Failed to save alarm to database", e);
}
});
} catch (CorrelationException e) {
log.error("Failed to process alarms. Sleep for 60 seconds to restart.", e);
try {
Thread.sleep(60000);
} catch (InterruptedException e1) {
log.info("Thread is still active.", e);
Thread.currentThread().interrupt();
}
} catch (Exception e) {
log.error("An error occurred while processing alarm. Sleep for 60 seconds to restart.", e);
try {
Thread.sleep(60000);
} catch (InterruptedException e1) {
log.info("Thread is still active.", e);
Thread.currentThread().interrupt();
}
}
}
}
private AlarmInfo getAlarmInfo(VesAlarm vesAlarm) {
AlarmInfo alarmInfo = new AlarmInfo();
alarmInfo.setAlarmIsCleared(vesAlarm.getAlarmIsCleared());
alarmInfo.setSourceName(vesAlarm.getSourceName());
alarmInfo.setSourceId(vesAlarm.getSourceId());
alarmInfo.setStartEpochMicroSec(vesAlarm.getStartEpochMicrosec());
alarmInfo.setLastEpochMicroSec(vesAlarm.getLastEpochMicrosec());
alarmInfo.setEventId(vesAlarm.getEventId());
alarmInfo.setEventName(vesAlarm.getEventName());
alarmInfo.setRootFlag(vesAlarm.getRootFlag());
return alarmInfo;
}
public void stopTask() {
isAlive = false;
}
}
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