/*
 *  Copyright 2019-2020 Zheng Jie
 *
 *  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 easydo.technology.quartz.config;

import org.quartz.Scheduler;
import org.quartz.spi.TriggerFiredBundle;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.quartz.AdaptableJobFactory;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import org.springframework.stereotype.Component;

@Configuration
public class QuartzConfig {

	/**
	 * 解决Job中注入Spring Bean为null的问题
	 */
	@Component("quartzJobFactory")
	public static class QuartzJobFactory extends AdaptableJobFactory {

		private final AutowireCapableBeanFactory capableBeanFactory;

		public QuartzJobFactory(AutowireCapableBeanFactory capableBeanFactory) {
			this.capableBeanFactory = capableBeanFactory;
		}

		@Override
		protected Object createJobInstance(TriggerFiredBundle bundle) throws Exception {

			//调用父类的方法
			Object jobInstance = super.createJobInstance(bundle);
			capableBeanFactory.autowireBean(jobInstance);
			return jobInstance;
		}
	}

	/**
	 * 注入scheduler到spring
	 * @param quartzJobFactory /
	 * @return Scheduler
	 * @throws Exception /
	 */
	@Bean(name = "scheduler")
	public Scheduler scheduler(QuartzJobFactory quartzJobFactory) throws Exception {
		SchedulerFactoryBean factoryBean=new SchedulerFactoryBean();
		factoryBean.setJobFactory(quartzJobFactory);
		factoryBean.afterPropertiesSet();
		Scheduler scheduler=factoryBean.getScheduler();
		scheduler.start();
		return scheduler;
	}
}
