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/**
* Copyright 2020 ZTE Corporation.
* <p>
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.rulemgt.controller;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.engine.entity.EngineEntity;
import org.onap.holmes.common.engine.service.EngineEntityService;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import javax.inject.Named;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.SECONDS;
@Service
public class EngineInstanceController extends TimerTask {
private static final long INTERVAL = SECONDS.toMillis(15);
private static final long THRESHOLD = 3 * INTERVAL;
private Timer timer = new Timer("EngineInstanceController", true);
@Inject
private EngineEntityService engineEntityService;
@PostConstruct
public void initialize() {
timer.schedule(this, MINUTES.toMillis(1), INTERVAL);
}
@Override
public void run() {
List<EngineEntity> entityList = engineEntityService.getAllEntities();
for (EngineEntity entity : entityList) {
if (System.currentTimeMillis() - entity.getLastModified() > THRESHOLD) {
engineEntityService.deleteEntity(entity.getId());
}
}
}
}
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