| /* |
| * Copyright (c) 2012, Niclas Hedhman. 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.qi4j.library.scheduler.schedule; |
| |
| import org.joda.time.DateTime; |
| import org.qi4j.api.entity.EntityBuilder; |
| import org.qi4j.api.injection.scope.Service; |
| import org.qi4j.api.injection.scope.Structure; |
| import org.qi4j.api.mixin.Mixins; |
| import org.qi4j.api.structure.Module; |
| import org.qi4j.api.unitofwork.UnitOfWork; |
| import org.qi4j.api.value.ValueBuilder; |
| import org.qi4j.library.scheduler.SchedulerService; |
| import org.qi4j.library.scheduler.Task; |
| import org.qi4j.library.scheduler.schedule.cron.CronSchedule; |
| import org.qi4j.library.scheduler.schedule.once.OnceSchedule; |
| import org.qi4j.spi.uuid.UuidIdentityGeneratorService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Mixins( ScheduleFactory.Mixin.class ) |
| public interface ScheduleFactory |
| { |
| Schedule newCronSchedule( Task task, String cronExpression, DateTime start, boolean durable ); |
| |
| Schedule newOnceSchedule( Task task, DateTime runAt, boolean durable ); |
| |
| class Mixin |
| implements ScheduleFactory |
| { |
| private static final Logger logger = LoggerFactory.getLogger( ScheduleFactory.class ); |
| |
| @Structure |
| private Module module; |
| |
| @Service |
| private SchedulerService scheduler; |
| |
| @Service |
| private UuidIdentityGeneratorService uuid; |
| |
| @Override |
| public CronSchedule newCronSchedule( Task task, String cronExpression, DateTime start, boolean durable ) |
| { |
| if( durable ) |
| { |
| return newPersistentCronSchedule( task, cronExpression, start ); |
| } |
| return newTransientCronSchedule( task, cronExpression, start ); |
| } |
| |
| @Override |
| public Schedule newOnceSchedule( Task task, DateTime runAt, boolean durable ) |
| { |
| if( durable ) |
| { |
| return newPersistentOnceSchedule( task, runAt ); |
| } |
| return newTransientOnceSchedule( task, runAt ); |
| } |
| |
| private CronSchedule newTransientCronSchedule( Task task, String cronExpression, DateTime start ) |
| { |
| ValueBuilder<CronSchedule> builder = module.newValueBuilder( CronSchedule.class ); |
| CronSchedule prototype = builder.prototype(); |
| prototype.task().set( task ); |
| prototype.start().set( start ); |
| prototype.identity().set( uuid.generate( CronSchedule.class ) ); |
| prototype.cronExpression().set( cronExpression ); |
| CronSchedule schedule = builder.newInstance(); |
| logger.info( "Schedule {} created: {}", schedule.presentationString(), schedule.identity().get() ); |
| return schedule; |
| } |
| |
| private CronSchedule newPersistentCronSchedule( Task task, String cronExpression, DateTime start ) |
| { |
| UnitOfWork uow = module.currentUnitOfWork(); |
| EntityBuilder<CronSchedule> builder = uow.newEntityBuilder( CronSchedule.class ); |
| CronSchedule builderInstance = builder.instance(); |
| builderInstance.task().set( task ); |
| builderInstance.start().set( start ); |
| builderInstance.identity().set( uuid.generate( CronSchedule.class ) ); |
| builderInstance.cronExpression().set( cronExpression ); |
| CronSchedule schedule = builder.newInstance(); |
| logger.info( "Schedule {} created: {}", schedule.presentationString(), schedule.identity().get() ); |
| return schedule; |
| } |
| |
| private Schedule newTransientOnceSchedule( Task task, DateTime runAt ) |
| { |
| ValueBuilder<OnceSchedule> builder = module.newValueBuilder( OnceSchedule.class ); |
| OnceSchedule builderInstance = builder.prototype(); |
| builderInstance.task().set( task ); |
| builderInstance.start().set( runAt ); |
| builderInstance.identity().set( uuid.generate( CronSchedule.class ) ); |
| OnceSchedule schedule = builder.newInstance(); |
| logger.info( "Schedule {} created: {}", schedule.presentationString(), schedule.identity().get() ); |
| return schedule; |
| } |
| |
| private Schedule newPersistentOnceSchedule( Task task, DateTime runAt ) |
| { |
| UnitOfWork uow = module.currentUnitOfWork(); |
| EntityBuilder<OnceSchedule> builder = uow.newEntityBuilder( OnceSchedule.class ); |
| OnceSchedule builderInstance = builder.instance(); |
| builderInstance.task().set( task ); |
| builderInstance.start().set( runAt ); |
| builderInstance.identity().set( uuid.generate( CronSchedule.class ) ); |
| OnceSchedule schedule = builder.newInstance(); |
| logger.info( "Schedule {} created: {}", schedule.presentationString(), schedule.identity().get() ); |
| return schedule; |
| } |
| } |
| |
| } |