Java tutorial
/* * Copyright 2015-2016 USEF Foundation * * 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 energy.usef.brp.workflow.plan.commonreferencequery; import energy.usef.brp.config.ConfigBrp; import energy.usef.brp.config.ConfigBrpParam; import energy.usef.brp.workflow.plan.connection.forecast.CommonReferenceQueryEvent; import energy.usef.core.service.helper.AbstractTriggerRegisterHelperService; import energy.usef.core.util.DateTimeUtil; import javax.annotation.PostConstruct; import javax.ejb.Singleton; import javax.ejb.Startup; import javax.enterprise.event.Event; import javax.inject.Inject; import org.joda.time.Days; import org.joda.time.LocalTime; /** * Class in charge of registering a scheduled task to fire {@link CommonReferenceQueryEvent}. */ @Singleton @Startup public class BrpCommonReferenceQueryEventTrigger extends AbstractTriggerRegisterHelperService { @Inject private Event<CommonReferenceQueryEvent> eventManager; @Inject private ConfigBrp configBrp; /** * {@inheritDoc} */ @Override @PostConstruct public void registerTrigger() { getSchedulerHelperService().registerScheduledCall("BRP_COMMON_REFERENCE_QUERY_EVENT", () -> eventManager.fire(new CommonReferenceQueryEvent()), createInitialDelay(), createIntervalPeriod()); } private long createInitialDelay() { return DateTimeUtil.millisecondDelayUntilNextTime( new LocalTime(configBrp.getProperty(ConfigBrpParam.BRP_INITIALIZE_PLANBOARD_TIME))); } private long createIntervalPeriod() { return Days.days(configBrp.getIntegerProperty(ConfigBrpParam.BRP_INITIALIZE_PLANBOARD_DAYS_INTERVAL)) .toStandardDuration().getMillis(); } }