/*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) 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.
*/
package org.wso2.carbon.event.processor.manager.core.internal;
import org.wso2.carbon.event.processor.manager.core.EventProcessorManagementService;
import org.wso2.carbon.event.processor.manager.core.internal.ds.EventManagementServiceValueHolder;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
public class PersistenceManager implements Runnable {
private final ScheduledExecutorService scheduledExecutorService;
private final long interval;
private ScheduledFuture<?> scheduledFuture = null;
public PersistenceManager(ScheduledExecutorService scheduledExecutorService, long interval) {
this.scheduledExecutorService = scheduledExecutorService;
this.interval = interval;
}
public void init() {
if (interval > 0) {
scheduledFuture = scheduledExecutorService.scheduleAtFixedRate(this, interval, interval, TimeUnit.MINUTES);
}
}
public void shutdown() {
if (scheduledFuture != null) {
scheduledFuture.cancel(false);
}
persist();
scheduledExecutorService.shutdown();
}
@Override
public void run() {
persist();
}
private void persist() {
EventProcessorManagementService eventProcessorManagementService = EventManagementServiceValueHolder.getCarbonEventManagementService().getEventProcessorManagementService();
eventProcessorManagementService.persist();
}
}