datahub/backend-service/app/utils/SchedulerUtil.java

55 lines
1.4 KiB
Java
Raw Normal View History

2015-11-19 14:39:21 -08:00
/**
* Copyright 2015 LinkedIn Corp. 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.
*/
package utils;
import actors.ActorRegistry;
import akka.actor.Cancellable;
import java.util.concurrent.TimeUnit;
import play.Play;
import scala.concurrent.duration.Duration;
/**
* Created by zechen on 9/3/15.
*/
public class SchedulerUtil {
public static Cancellable schedulerRef;
public static synchronized void start() {
start(Play.application().configuration().getLong("scheduler.check.interval"));
}
/**
* Start system's scheduler
* @param mins
*/
public static synchronized void start(Long mins) {
if (schedulerRef != null) {
schedulerRef.cancel();
}
schedulerRef = ActorRegistry.scheduler
.schedule(Duration.create(0, TimeUnit.MILLISECONDS), Duration.create(mins, TimeUnit.MINUTES),
ActorRegistry.schedulerActor, "checking", ActorRegistry.dispatcher, null);
}
/**
* Cancel system's scheduler
*/
public static synchronized void cancel() {
schedulerRef.cancel();
}
}