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/*-
* ============LICENSE_START=======================================================
* ONAP-Logging
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.logging.eelf;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.TimerTask;
import java.util.concurrent.ConcurrentHashMap;
/**
*
* EventTrackInfoHandler is the handler of clean up all expired event objects
*
*/
public class EventTrackInfoHandler extends TimerTask {
String className = this.getClass().getSimpleName();
@Override
public void run() {
PolicyLogger.info(className + " Release expired event records start...");
cleanUp();
PolicyLogger.info(className + " Release expired event records done");
}
/**
* Removes all expired event objects from the ConcurrentHashMap of EventData
*/
private void cleanUp() {
EventTrackInfo eventTrackInfo = PolicyLogger.getEventTracker();
if (eventTrackInfo == null) {
return;
}
ConcurrentHashMap<String, EventData> eventInfo = eventTrackInfo.getEventInfo();
if (eventInfo == null || eventInfo.isEmpty()) {
return;
}
Instant startTime;
long ns;
ArrayList<String> expiredEvents = null;
for (ConcurrentHashMap.Entry<String, EventData> entry : eventInfo.entrySet()) {
EventData event = entry.getValue();
startTime = event.getStartTime();
ns = Duration.between(startTime, Instant.now()).getSeconds();
PolicyLogger.info(className + " duration time : " + ns);
PolicyLogger.info(className + " PolicyLogger.EXPIRED_TIME : " + PolicyLogger.expiredTime);
// if longer than EXPIRED_TIME, remove the object
if (ns > PolicyLogger.expiredTime) {
if (expiredEvents == null) {
expiredEvents = new ArrayList<>();
}
expiredEvents.add(entry.getKey());
PolicyLogger.info(className + " add expired event request ID: " + event.getRequestID());
}
}
synchronized (eventInfo) {
if (expiredEvents != null) {
for (String expiredKey : expiredEvents) {
eventInfo.remove(expiredKey);
PolicyLogger.info(className + " removed expired event request ID: " + expiredKey);
}
}
}
}
}
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