| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.unomi.services.impl.scheduler; |
| |
| import org.apache.unomi.api.services.SchedulerService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.time.Duration; |
| import java.time.ZonedDateTime; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| |
| /** |
| * @author dgaillard |
| */ |
| public class SchedulerServiceImpl implements SchedulerService { |
| private static final Logger logger = LoggerFactory.getLogger(SchedulerServiceImpl.class.getName()); |
| |
| private final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor(); |
| private ScheduledExecutorService sharedScheduler; |
| private int threadPoolSize; |
| |
| public void postConstruct() { |
| sharedScheduler = Executors.newScheduledThreadPool(threadPoolSize); |
| logger.info("Scheduler service initialized."); |
| } |
| |
| public void preDestroy() { |
| sharedScheduler.shutdown(); |
| scheduler.shutdown(); |
| logger.info("Scheduler service shutdown."); |
| } |
| |
| public void setThreadPoolSize(int threadPoolSize) { |
| this.threadPoolSize = threadPoolSize; |
| } |
| |
| @Override |
| public ScheduledExecutorService getScheduleExecutorService() { |
| return scheduler; |
| } |
| |
| |
| @Override |
| public ScheduledExecutorService getSharedScheduleExecutorService() { |
| return sharedScheduler; |
| } |
| |
| public static long getTimeDiffInSeconds(int hourInUtc, ZonedDateTime now) { |
| ZonedDateTime nextRun = now.withHour(hourInUtc).withMinute(0).withSecond(0); |
| if(now.compareTo(nextRun) > 0) |
| nextRun = nextRun.plusDays(1); |
| |
| Duration duration = Duration.between(now, nextRun); |
| long initialDelay = duration.getSeconds(); |
| return initialDelay; |
| } |
| } |