org.trpr.platform.batch.impl.quartz.SchedulerFactoryBean.java Source code

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Here is the source code for org.trpr.platform.batch.impl.quartz.SchedulerFactoryBean.java

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/*
 * Copyright 2012-2015, the original author or authors.
 *
 * 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.trpr.platform.batch.impl.quartz;

import org.quartz.JobDataMap;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.Trigger;
import org.springframework.batch.core.job.flow.FlowJob;
import org.springframework.context.ApplicationContext;
import org.trpr.platform.batch.impl.spring.SpringBatchComponentContainer;
import org.trpr.platform.batch.spi.quartz.ScheduleRepository;

/**
 * The <code>SchedulerFactoryBean</code> class is an extension of 
 * {@link org.springframework.scheduling.quartz.SchedulerFactoryBean } that injects extra information 
 * about trigger, such as cronexpression, next fire time, etc. into {@link ScheduleRepository}
 * 
 * @author devashishshankar
 * @version 1.0, 09 Jan 2013
 */
public class SchedulerFactoryBean extends org.springframework.scheduling.quartz.SchedulerFactoryBean {

    /**
     * Overridden method to inject additional attributes post bean initialization
     * @see org.springframework.scheduling.quartz.SchedulerFactoryBean#afterPropertiesSet()
     */
    @Override
    public void afterPropertiesSet() throws Exception {
        //Calling the super class method to perform all the functions it was previously performing
        super.afterPropertiesSet();
        //Getting ApplicationContext
        ApplicationContext context = SpringBatchComponentContainer.getCommonBatchBeansContext();
        //Instance of bean SimpleScheduleRepsitory from ApplicationContext
        SimpleScheduleRepository rep = context.getBean(SimpleScheduleRepository.class);
        //Getting the scheduler from super
        Scheduler sch = super.getScheduler();
        //loop all groups in the scheduler
        for (String groupName : sch.getJobGroupNames()) {
            //loop all jobs by groupname
            for (String jobName : sch.getJobNames(groupName)) {
                //get job's trigger
                Trigger[] triggers = sch.getTriggersOfJob(jobName, groupName);
                //get job's JobDetail 
                JobDetail jd = sch.getJobDetail(jobName, groupName);
                //Extract job's name from JobDetail
                JobDataMap jdm = jd.getJobDataMap();
                FlowJob fj = (FlowJob) jdm.get("jobName");
                //Injecting into SimpleScheduleRepository
                rep.addScheduler(fj.getName(), sch);
            }
        }
    }
}