| /** |
| * 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.superbiz.corn; |
| |
| import javax.annotation.PostConstruct; |
| import javax.annotation.Resource; |
| import javax.ejb.Lock; |
| import javax.ejb.LockType; |
| import javax.ejb.ScheduleExpression; |
| import javax.ejb.Singleton; |
| import javax.ejb.Startup; |
| import javax.ejb.Timeout; |
| import javax.ejb.Timer; |
| import javax.ejb.TimerConfig; |
| import javax.ejb.TimerService; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * This is where we schedule all of Farmer Brown's corn jobs |
| * |
| * @version $Revision$ $Date$ |
| */ |
| @Singleton |
| @Lock(LockType.READ) // allows timers to execute in parallel |
| @Startup |
| public class FarmerBrown { |
| |
| private final AtomicInteger checks = new AtomicInteger(); |
| |
| @Resource |
| private TimerService timerService; |
| |
| @PostConstruct |
| private void construct() { |
| final TimerConfig plantTheCorn = new TimerConfig("plantTheCorn", false); |
| timerService.createCalendarTimer(new ScheduleExpression().month(5).dayOfMonth("20-Last").minute(0).hour(8), plantTheCorn); |
| timerService.createCalendarTimer(new ScheduleExpression().month(6).dayOfMonth("1-10").minute(0).hour(8), plantTheCorn); |
| |
| final TimerConfig harvestTheCorn = new TimerConfig("harvestTheCorn", false); |
| timerService.createCalendarTimer(new ScheduleExpression().month(9).dayOfMonth("20-Last").minute(0).hour(8), harvestTheCorn); |
| timerService.createCalendarTimer(new ScheduleExpression().month(10).dayOfMonth("1-10").minute(0).hour(8), harvestTheCorn); |
| |
| final TimerConfig checkOnTheDaughters = new TimerConfig("checkOnTheDaughters", false); |
| timerService.createCalendarTimer(new ScheduleExpression().second("*").minute("*").hour("*"), checkOnTheDaughters); |
| } |
| |
| @Timeout |
| public void timeout(Timer timer) { |
| if ("plantTheCorn".equals(timer.getInfo())) { |
| plantTheCorn(); |
| } else if ("harvestTheCorn".equals(timer.getInfo())) { |
| harvestTheCorn(); |
| } else if ("checkOnTheDaughters".equals(timer.getInfo())) { |
| checkOnTheDaughters(); |
| } |
| } |
| |
| private void plantTheCorn() { |
| // Dig out the planter!!! |
| } |
| |
| private void harvestTheCorn() { |
| // Dig out the combine!!! |
| } |
| |
| private void checkOnTheDaughters() { |
| checks.incrementAndGet(); |
| } |
| |
| public int getChecks() { |
| return checks.get(); |
| } |
| } |