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/**
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* '$RCSfile$'
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* Purpose: A Class that handles scheduling tasks
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* Copyright: 2009 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Authors: Michael Daigle
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*
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* '$Author: daigle $'
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* '$Date: 2009-03-25 13:41:15 -0800 (Wed, 25 Mar 2009) $'
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* '$Revision: 4861 $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.scheduler;
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import java.util.Calendar;
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import java.util.HashMap;
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import java.util.Vector;
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import org.apache.log4j.Logger;
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import org.quartz.Job;
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import org.quartz.JobDataMap;
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import org.quartz.JobDetail;
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import org.quartz.Scheduler;
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import org.quartz.SchedulerException;
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import org.quartz.SchedulerFactory;
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import org.quartz.Trigger;
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import org.quartz.TriggerUtils;
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import edu.ucsb.nceas.metacat.service.BaseService;
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import edu.ucsb.nceas.metacat.service.ServiceException;
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import edu.ucsb.nceas.shared.AccessException;
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import edu.ucsb.nceas.utilities.StatusUtil;
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public class SchedulerService extends BaseService {
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private static SchedulerService schedulerService = null;
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private static Logger logMetacat = Logger.getLogger(SchedulerService.class);
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private static Scheduler sched = null;
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/**
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* private constructor since this is a singleton
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*/
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private SchedulerService() throws ServiceException {
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start();
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}
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/**
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* Get the single instance of SchedulerService.
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*
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* @return the single instance of SchedulerService
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*/
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public static SchedulerService getInstance() throws ServiceException {
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if (schedulerService == null) {
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schedulerService = new SchedulerService();
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}
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return schedulerService;
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}
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// this is a refreshable class
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public boolean refreshable() {
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return true;
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}
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// do the refresh
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protected void doRefresh() throws ServiceException {
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stop();
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start();
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}
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// initialize the service
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protected void start() throws ServiceException {
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try {
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// get the Quartz scheduler factory
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SchedulerFactory schedFact = new org.quartz.impl.StdSchedulerFactory();
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// get the scheduler
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sched = schedFact.getScheduler();
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sched.start();
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// get all existing jobs from the database
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ScheduledJobAccess jobAccess = new ScheduledJobAccess();
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HashMap<Long, ScheduledJobDAO> allJobsMap = jobAccess.getAllJobs(null);
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// reschedule each job that is in a SCHEDULED state.
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for (Long jobId : allJobsMap.keySet()) {
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ScheduledJobDAO jobDAO = allJobsMap.get(jobId);
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String[] groups = {"scheduler_group"};
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if (jobDAO.getStatus().equals(StatusUtil.SCHEDULED)) {
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// send false as the last param so the reschedule method will not
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// complain that the job is already in a SCHEDULED state.
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rescheduleJob(jobDAO, "scheduler_user", groups, false);
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}
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}
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} catch (AccessException ae) {
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throw new ServiceException("SchedulerService.start - DB Access issue when starting scheduler: ", ae);
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} catch (SchedulerException se) {
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throw new ServiceException("SchedulerService.start - Scheduler engine issue when starting scheduler: " + se.getMessage());
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}
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}
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// Stop the scheduler
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protected void stop() throws ServiceException {
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try {
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sched.shutdown(true);
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sched = null;
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} catch (SchedulerException se) {
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throw new ServiceException("SchedulerService.stop - Could not shut down scheduler: " + se.getMessage());
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}
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}
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// this will eventually return the scheduler status
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protected Vector<String> getStatus() throws ServiceException {
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return new Vector<String>();
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}
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/**
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* Schedule a job
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*
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* @param jobDAO
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* the job data object to schedule
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* @param username
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* the user that we will use to schedule
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* @param groups
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* the user group that we will use to schedule
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* @return a message saying that the job was scheduled
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*/
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public String scheduleJob(ScheduledJobDAO jobDAO, String username, String[] groups) throws ServiceException {
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// convert the start time to a calendar object
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Calendar startTimeCal = Calendar.getInstance();
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startTimeCal.setTime(jobDAO.getStartTime());
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// extract the job parameters from their data objects and put into a string map
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HashMap<String, String> jobParams = new HashMap<String, String>();
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HashMap<String, ScheduledJobParamDAO> jobParamDAOs = jobDAO.getAllJobParams();
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for (String paramName : jobParamDAOs.keySet()) {
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jobParams.put(paramName, jobParamDAOs.get(paramName).getValue());
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}
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// schedule the job
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return scheduleJob(jobDAO.getName(), startTimeCal, jobDAO.getIntervalValue(), jobDAO.getIntervalUnit(),
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jobDAO.getClassName(), jobDAO.getGroupName(), jobParams, username, groups);
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}
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/**
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* schedule a job
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*
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* @param jobName
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* the name of the job
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* @param startCal
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* a calendar holding the start date of the job
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* @param intervalValue
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* the run interval for the job
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* @param intervalUnit
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* the unit of the run interval for the job
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* @param jobClassName
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* the job class name
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* @param jobGroup
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* the job group name
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* @param jobParams
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* a map of additional job parameters
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* @param username
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* the user name
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* @param groups
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* the user's group name
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* @return a message saying that the job was scheduled
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*/
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public String scheduleJob(String jobName, Calendar startCal, int intervalValue, String intervalUnit,
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String jobClassName, String jobGroup, HashMap<String, String> jobParams,
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String username, String[] groups) throws ServiceException {
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Class<Job> jobClass = null;
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try {
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jobClass = (Class<Job>)Class.forName(jobClassName);
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} catch (ClassNotFoundException cnfe) {
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throw new ServiceException("SchedulerService.scheduleJob - Could not find class with name: "
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+ jobClassName + " : " + cnfe.getMessage());
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}
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logMetacat.info("SchedulerService.scheduleJob - Scheduling job -- name: " + jobName + ", class: " + jobClassName
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+ ", start time: " + startCal.toString() + ", interval value: " + intervalValue
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+ ", interval unit: " + intervalUnit);
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// start the job in the job scheduler
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startJob(jobName, startCal, intervalValue, intervalUnit, jobClass, jobGroup, jobParams);
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// get a database access object and create the job in the database
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try {
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ScheduledJobAccess jobAccess = new ScheduledJobAccess();
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jobAccess.createJob(jobName, jobName, jobGroup, jobClass, startCal, intervalValue, intervalUnit, jobParams);
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} catch (AccessException ae) {
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try {
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deleteJob(jobName, username, groups);
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} catch (Exception e) {
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// Not much we can do here but log this
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logMetacat.error("SchedulerService.scheduleJob - An access exception was thrown when writing job: " + jobName
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+ "to the db, and another exception was thrown when trying to remove the "
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+ "job from the scheduler. The db and scheduler may be out of sync: " + e.getMessage());
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}
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throw new ServiceException("SchedulerService.scheduleJob - Error accessing db: ", ae);
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}
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return "Scheduled: " + jobName;
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}
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/**
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* Unschedule a job. This removed it from the scheduler in memory and
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* changed it's status to unscheduled in the database.
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*
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* @param jobName
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* the name of the job to unschedule
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* @param username
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* the user name
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* @param groups
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* the user's group name
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* @return a message saying the job was unscheduled
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*/
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public String unScheduleJob(String jobName, String username,
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String[] groups) throws ServiceException {
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try {
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ScheduledJobAccess jobAccess = new ScheduledJobAccess();
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ScheduledJobDAO jobDAO = jobAccess.getJobByName(jobName);
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if (jobDAO == null) {
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throw new ServiceException("SchedulerService.unscheduleJob - Could "
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+ "not find job with name: " + jobName);
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}
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// remove the job from the scheduler
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sched.deleteJob(jobDAO.getName(), jobDAO.getGroupName());
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// change the status of the job to unscheduled in the database.
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jobDAO.setStatus(StatusUtil.UNSCHEDULED);
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jobAccess.updateJobStatus(jobDAO);
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} catch (SchedulerException se) {
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throw new ServiceException("SchedulerService.unscheduleJob - Could not create "
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+ "scheduled job because of service issue: " + se.getMessage());
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} catch (AccessException ae) {
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throw new ServiceException("SchedulerService.unscheduleJob - Could not create "
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+ "scheduled job because of db access issue: ", ae);
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}
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return "Unscheduled: " + jobName;
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}
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/**
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* Reschedule a job. This call will always check to make sure the status is not SCHEDULED
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* @param jobDAO the job data object holding the information about the job to reschedule
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* @param username
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* the user name
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* @param groups
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* the user's group name
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* @return a message saying that the job was rescheduled
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*/
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public String rescheduleJob(ScheduledJobDAO jobDAO, String username, String[] groups) throws ServiceException {
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return rescheduleJob(jobDAO, username, groups, true);
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}
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/**
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* Reschedule a job.
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*
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* @param jobDAO
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* the job data object holding the information about the job to
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* reschedule
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* @param username
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* the user name
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* @param groups
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* the user's group name
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* @param checkStatus
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* if set to true, the method will check to make sure the status
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* is UNSCHEDULED before restarting. Otherwise, the method will
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* not check. This is so that we can restart a service at startup
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* that was running when metacat was shut down.
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* @return a message saying that the job was rescheduled
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*/
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public String rescheduleJob(ScheduledJobDAO jobDAO, String username, String[] groups, boolean checkStatus) throws ServiceException {
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try {
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ScheduledJobAccess jobAccess = new ScheduledJobAccess();
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if (jobDAO == null) {
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throw new ServiceException("SchedulerService.reScheduleJob - Cannot reschedule nonexistant job.");
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}
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// if we are checking status, make sure the job is in an UNSCHEDULED state in the db
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if (checkStatus && !jobDAO.getStatus().equals(StatusUtil.UNSCHEDULED)) {
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throw new ServiceException("SchedulerService.reScheduleJob - Cannot reschedule a job with status: "
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+ jobDAO.getStatus() + ". Status must be 'unscheduled'.");
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}
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Calendar startCal = Calendar.getInstance();
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startCal.setTime(jobDAO.getStartTime());
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HashMap<String, String> jobParams = new HashMap<String, String>();
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HashMap<String, ScheduledJobParamDAO> jobParamDAOs = jobDAO.getAllJobParams();
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for (String paramName : jobParamDAOs.keySet()) {
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jobParams.put(paramName, jobParamDAOs.get(paramName).getValue());
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}
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Class<Job> jobClass = null;
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String jobClassName = jobDAO.getClassName();
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try {
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jobClass = (Class<Job>)Class.forName(jobClassName);
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} catch (ClassNotFoundException cnfe) {
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throw new ServiceException("SchedulerService.scheduleJob - Could not find class with name: "
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+ jobDAO.getClassName() + " : " + cnfe.getMessage());
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}
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logMetacat.info("SchedulerService.rescheduleJob - name: " + jobDAO.getName() + ", class: " + jobClassName
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+ ", start time: " + startCal.toString() + ", interval value: " + jobDAO.getIntervalValue()
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+ ", interval unit: " + jobDAO.getIntervalUnit());
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// start the job in the scheduler
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startJob(jobDAO.getName(), startCal, jobDAO.getIntervalValue(), jobDAO.getIntervalUnit(), jobClass, jobDAO.getGroupName(), jobParams);
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// update the status in the database
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jobDAO.setStatus(StatusUtil.SCHEDULED);
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jobAccess.updateJobStatus(jobDAO);
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} catch (AccessException ae) {
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throw new ServiceException("SchedulerService.reScheduleJob - Could not reschedule "
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+ "job because of db access issue: ", ae);
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}
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return "Resheduled: " + jobDAO.getName();
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}
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/**
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* Remove the job from the scheduler and set the job status to deleted in the database
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* @param jobDAO
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* the job data object holding the information about the job to
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* delete
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* @param username
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* the user name
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* @param groups
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* the user's group name
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* @return a message saying that the job was deleted
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*/
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public String deleteJob(String jobName, String username,
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String[] groups) throws ServiceException {
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String groupName = "";
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try {
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ScheduledJobAccess jobAccess = new ScheduledJobAccess();
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ScheduledJobDAO jobDAO = jobAccess.getJobByName(jobName);
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groupName = jobDAO.getGroupName();
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sched.deleteJob(jobName, groupName);
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jobDAO.setStatus(StatusUtil.DELETED);
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jobAccess.updateJobStatus(jobDAO);
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} catch (SchedulerException se) {
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throw new ServiceException("SchedulerService.deleteJob - Could not delete job: " + jobName
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+ " for group: " + groupName + " : " + se.getMessage());
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} catch (AccessException ae) {
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throw new ServiceException("SchedulerService.deleteJob - Could not delete "
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+ "scheduled job because of db access issue: ", ae);
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}
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return "Deleted: " + jobName;
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}
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379
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|
380
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/**
|
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* Get information about the job in XML format
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*
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* @param jobId
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* the job for which we want the information
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385
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* @return an XML representation of the job
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*/
|
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public String getJobInfoXML(Long jobId) throws ServiceException {
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String jobInfoXML = "";
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389
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try {
|
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ScheduledJobAccess jobAccess = new ScheduledJobAccess();
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ScheduledJobDAO scheduledJobDAO = jobAccess.getJob(jobId);
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jobInfoXML +=
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"<scheduledJobs>" + jobToXML(scheduledJobDAO) + "</scheduledJobs>";
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} catch (AccessException ae) {
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throw new ServiceException("SchedulerService.getJobInfoXML - Could not get job info for job: "
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+ jobId, ae);
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400
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}
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401
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return jobInfoXML;
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403
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}
|
404
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|
405
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/**
|
406
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* Get the information for jobs in a group in an xml format. A parameter
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* key/value pair can be provided as well to limit the jobs returned.
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408
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*
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409
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* @param groupName
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410
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* the job group that we are searching for
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411
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* @param paramName
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412
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* the parameter name that we are looking for. this is ignored if
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413
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* null
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414
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* @param paramValue
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415
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* the parameter value that we are looking for. this is ignored
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416
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* if null
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417
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* @return an XML representation of the jobs.
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418
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*/
|
419
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public String getJobsInfoXML(String groupName, String paramName, String paramValue) throws ServiceException {
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420
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String jobInfoXML = "";
|
421
|
|
422
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try {
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423
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ScheduledJobAccess jobAccess = new ScheduledJobAccess();
|
424
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HashMap<Long, ScheduledJobDAO> JobDAOMap = jobAccess.getJobsWithParameter(groupName, paramName, paramValue);
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425
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426
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jobInfoXML += "<scheduledWorkflowResultset>";
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427
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for (Long jobDAOId : JobDAOMap.keySet()) {
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428
|
ScheduledJobDAO jobDAO = JobDAOMap.get(jobDAOId);
|
429
|
if (paramValue != null && paramName != null) {
|
430
|
ScheduledJobParamDAO jobParamDAO = jobDAO.getJobParam(paramName);
|
431
|
if(jobParamDAO != null && jobParamDAO.getValue().equals(paramValue)) {
|
432
|
jobInfoXML += jobToXML(JobDAOMap.get(jobDAOId));
|
433
|
}
|
434
|
}
|
435
|
}
|
436
|
jobInfoXML += "</scheduledWorkflowResultset>";
|
437
|
|
438
|
} catch (AccessException ae) {
|
439
|
throw new ServiceException("SchedulerService.getJobInfoXML - Could not get jobs info for group: "
|
440
|
+ groupName, ae);
|
441
|
}
|
442
|
|
443
|
return jobInfoXML;
|
444
|
}
|
445
|
|
446
|
/**
|
447
|
* Convert a single job to XML
|
448
|
* @param scheduledJobDAO the job we want to convert
|
449
|
* @return an XML representation of the job
|
450
|
*/
|
451
|
public String jobToXML(ScheduledJobDAO scheduledJobDAO) throws ServiceException {
|
452
|
String jobXML = "";
|
453
|
|
454
|
if (scheduledJobDAO != null) {
|
455
|
jobXML += "<scheduledJob>";
|
456
|
jobXML += "<id>" + scheduledJobDAO.getId() + "</id>";
|
457
|
jobXML += "<createTime>" + scheduledJobDAO.getCreateTime() + "</createTime>";
|
458
|
jobXML += "<modTime>" + scheduledJobDAO.getModTime() + "</modTime>";
|
459
|
jobXML += "<status>" + scheduledJobDAO.getStatus() + "</status>";
|
460
|
jobXML += "<name>" + scheduledJobDAO.getName() + "</name>";
|
461
|
jobXML += "<triggerName>" + scheduledJobDAO.getName() + "</triggerName>";
|
462
|
jobXML += "<groupName>" + scheduledJobDAO.getGroupName() + "</groupName>";
|
463
|
jobXML += "<className>" + scheduledJobDAO.getClassName() + "</className>";
|
464
|
jobXML += "<startTime>" + scheduledJobDAO.getStartTime().toString()
|
465
|
+ "</startTime>";
|
466
|
jobXML += "<intervalValue>" + scheduledJobDAO.getIntervalValue()
|
467
|
+ "</intervalValue>";
|
468
|
jobXML += "<intervalUnit>" + scheduledJobDAO.getIntervalUnit()
|
469
|
+ "</intervalUnit>";
|
470
|
|
471
|
HashMap<String, ScheduledJobParamDAO> jobParams = scheduledJobDAO
|
472
|
.getAllJobParams();
|
473
|
for (String jobParamKey : jobParams.keySet()) {
|
474
|
jobXML += "<jobParam name='" + jobParams.get(jobParamKey).getKey() + "'>";
|
475
|
jobXML += "<id>" + jobParams.get(jobParamKey).getId() + "</id>";
|
476
|
jobXML += "<createTime>" + jobParams.get(jobParamKey).getCreateTime()
|
477
|
+ "</createTime>";
|
478
|
jobXML += "<modTime>" + jobParams.get(jobParamKey).getModTime()
|
479
|
+ "</modTime>";
|
480
|
jobXML += "<status>" + jobParams.get(jobParamKey).getStatus()
|
481
|
+ "</status>";
|
482
|
jobXML += "<jobId>" + jobParams.get(jobParamKey).getJobId() + "</jobId>";
|
483
|
jobXML += "<key>" + jobParams.get(jobParamKey).getKey() + "</key>";
|
484
|
jobXML += "<value>" + jobParams.get(jobParamKey).getValue() + "</value>";
|
485
|
jobXML += "</jobParam>";
|
486
|
}
|
487
|
jobXML += "</scheduledJob>";
|
488
|
}
|
489
|
|
490
|
return jobXML;
|
491
|
}
|
492
|
|
493
|
/**
|
494
|
* Start a job in the scheduler
|
495
|
*
|
496
|
* @param jobName
|
497
|
* the name of the job
|
498
|
* @param startCal
|
499
|
* a calendar holding the start date of the job
|
500
|
* @param intervalValue
|
501
|
* the run interval for the job
|
502
|
* @param intervalUnit
|
503
|
* the unit of the run interval for the job
|
504
|
* @param jobClassName
|
505
|
* the job class name
|
506
|
* @param jobGroup
|
507
|
* the job group name
|
508
|
* @param jobParams
|
509
|
* a map of additional job parameters
|
510
|
* @param username
|
511
|
* the user name
|
512
|
* @param groups
|
513
|
* the user's group name
|
514
|
*/
|
515
|
private void startJob(String jobName, Calendar startCal, int intervalValue, String intervalUnit,
|
516
|
Class<Job> jobClass, String jobGroup, HashMap<String, String> jobParams) throws ServiceException {
|
517
|
|
518
|
JobDetail jobDetail = new JobDetail(jobName, jobGroup, jobClass);
|
519
|
jobDetail.setJobDataMap(new JobDataMap(jobParams));
|
520
|
|
521
|
char intervalChar = intervalUnit.charAt(0);
|
522
|
|
523
|
// call the appropriate scheduling method depending on the schedule interval unit
|
524
|
switch (intervalChar) {
|
525
|
case 's':
|
526
|
case 'S':
|
527
|
scheduleSecondlyJob(jobName, jobClass, startCal, intervalValue, jobGroup, jobDetail);
|
528
|
break;
|
529
|
case 'm':
|
530
|
case 'M':
|
531
|
scheduleMinutelyJob(jobName, jobClass, startCal, intervalValue, jobGroup, jobDetail);
|
532
|
break;
|
533
|
case 'h':
|
534
|
case 'H':
|
535
|
scheduleHourlyJob(jobName, jobClass, startCal, intervalValue, jobGroup, jobDetail);
|
536
|
break;
|
537
|
case 'd':
|
538
|
case 'D':
|
539
|
scheduleDailyJob(jobName, jobClass, startCal, intervalValue, jobGroup, jobDetail);
|
540
|
break;
|
541
|
default:
|
542
|
throw new ServiceException("SchedulerService.scheduleJob - Could not interpret interval unit: "
|
543
|
+ intervalUnit + ". Unit must be s, m, h or d");
|
544
|
}
|
545
|
}
|
546
|
|
547
|
/**
|
548
|
* Schedule a job in the scheduler that has an interval based in seconds
|
549
|
*
|
550
|
* @param jobName
|
551
|
* the name of the job
|
552
|
* @param jobClass
|
553
|
* the job class object
|
554
|
* @param startTime
|
555
|
* the time of the first run
|
556
|
* @param interval
|
557
|
* the interval in seconds between runs
|
558
|
* @param jobGroup
|
559
|
* the group of this job
|
560
|
* @param jobDetail
|
561
|
* the job detail object
|
562
|
*/
|
563
|
private void scheduleSecondlyJob(String jobName, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup, JobDetail jobDetail) throws ServiceException {
|
564
|
|
565
|
Trigger trigger = TriggerUtils.makeSecondlyTrigger(interval);
|
566
|
trigger.setName(jobName);
|
567
|
trigger.setStartTime(startTime.getTime());
|
568
|
|
569
|
try {
|
570
|
sched.scheduleJob(jobDetail, trigger);
|
571
|
} catch (SchedulerException se) {
|
572
|
throw new ServiceException("SchedulerService.scheduleSecondlyJob - Could not create "
|
573
|
+ "scheduler: " + se.getMessage());
|
574
|
}
|
575
|
}
|
576
|
|
577
|
/**
|
578
|
* Schedule a job in the scheduler that has an interval based in minutes
|
579
|
*
|
580
|
* @param jobName
|
581
|
* the name of the job
|
582
|
* @param jobClass
|
583
|
* the job class object
|
584
|
* @param startTime
|
585
|
* the time of the first run
|
586
|
* @param interval
|
587
|
* the interval in minutes between runs
|
588
|
* @param jobGroup
|
589
|
* the group of this job
|
590
|
* @param jobDetail
|
591
|
* the job detail object
|
592
|
*/
|
593
|
private void scheduleMinutelyJob(String jobName, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup, JobDetail jobDetail) throws ServiceException {
|
594
|
|
595
|
Trigger trigger = TriggerUtils.makeMinutelyTrigger(interval);
|
596
|
trigger.setName(jobName);
|
597
|
trigger.setStartTime(startTime.getTime());
|
598
|
|
599
|
try {
|
600
|
sched.scheduleJob(jobDetail, trigger);
|
601
|
} catch (SchedulerException se) {
|
602
|
throw new ServiceException("SchedulerService.scheduleMinutelyJob - Could not create "
|
603
|
+ "scheduler: " + se.getMessage());
|
604
|
}
|
605
|
}
|
606
|
|
607
|
/**
|
608
|
* Schedule a job in the scheduler that has an interval based in hours
|
609
|
*
|
610
|
* @param jobName
|
611
|
* the name of the job
|
612
|
* @param jobClass
|
613
|
* the job class object
|
614
|
* @param startTime
|
615
|
* the time of the first run
|
616
|
* @param interval
|
617
|
* the interval in hours between runs
|
618
|
* @param jobGroup
|
619
|
* the group of this job
|
620
|
* @param jobDetail
|
621
|
* the job detail object
|
622
|
*/
|
623
|
private void scheduleHourlyJob(String jobName, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup, JobDetail jobDetail) throws ServiceException {
|
624
|
|
625
|
Trigger trigger = TriggerUtils.makeHourlyTrigger(interval);
|
626
|
trigger.setName(jobName);
|
627
|
trigger.setStartTime(startTime.getTime());
|
628
|
|
629
|
try {
|
630
|
sched.scheduleJob(jobDetail, trigger);
|
631
|
} catch (SchedulerException se) {
|
632
|
throw new ServiceException("SchedulerService.scheduleHourlyJob - Could not create "
|
633
|
+ "scheduler: " + se.getMessage());
|
634
|
}
|
635
|
}
|
636
|
|
637
|
/**
|
638
|
* Schedule a job in the scheduler that has an interval based in days
|
639
|
*
|
640
|
* @param jobName
|
641
|
* the name of the job
|
642
|
* @param jobClass
|
643
|
* the job class object
|
644
|
* @param startTime
|
645
|
* the time of the first run
|
646
|
* @param interval
|
647
|
* the interval in days between runs
|
648
|
* @param jobGroup
|
649
|
* the group of this job
|
650
|
* @param jobDetail
|
651
|
* the job detail object
|
652
|
*/
|
653
|
private void scheduleDailyJob(String jobName, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup, JobDetail jobDetail) throws ServiceException {
|
654
|
|
655
|
Trigger trigger = TriggerUtils.makeHourlyTrigger(interval * 24);
|
656
|
trigger.setName(jobName);
|
657
|
trigger.setStartTime(startTime.getTime());
|
658
|
|
659
|
try {
|
660
|
sched.scheduleJob(jobDetail, trigger);
|
661
|
} catch (SchedulerException se) {
|
662
|
throw new ServiceException("SchedulerService.scheduleHourlyJob - Could not create "
|
663
|
+ "scheduler: " + se.getMessage());
|
664
|
}
|
665
|
}
|
666
|
|
667
|
/**
|
668
|
* Extract the start date from the delay value
|
669
|
*
|
670
|
* @param delay
|
671
|
* a string representing the start delay in <value><unit>
|
672
|
* notation where value is an integer and unit is one of s,m,h or
|
673
|
* d
|
674
|
* @return the calendar object holding the start date
|
675
|
*/
|
676
|
public Calendar getStartDateFromDelay(String delay) throws ServiceException {
|
677
|
Calendar cal = Calendar.getInstance();
|
678
|
|
679
|
char delayUnit = delay.trim().charAt(delay.length() - 1);
|
680
|
String delayStrValue = delay.trim().substring(0, delay.length() - 1);
|
681
|
int delayValue;
|
682
|
try {
|
683
|
delayValue = Integer.parseInt(delayStrValue);
|
684
|
} catch (NumberFormatException nfe) {
|
685
|
throw new ServiceException("SchedulerService.getStartDateFromDelay - Could not "
|
686
|
+ "parse delay value into an integer: " + delayStrValue + " : " + nfe.getMessage());
|
687
|
}
|
688
|
|
689
|
switch (delayUnit) {
|
690
|
case 's':
|
691
|
case 'S':
|
692
|
cal.add(Calendar.SECOND, delayValue);
|
693
|
break;
|
694
|
case 'm':
|
695
|
case 'M':
|
696
|
cal.add(Calendar.MINUTE, delayValue);
|
697
|
break;
|
698
|
case 'h':
|
699
|
case 'H':
|
700
|
cal.add(Calendar.HOUR, delayValue);
|
701
|
break;
|
702
|
case 'd':
|
703
|
case 'D':
|
704
|
cal.add(Calendar.DAY_OF_YEAR, delayValue);
|
705
|
break;
|
706
|
default:
|
707
|
throw new ServiceException("SchedulerService.getStartDateFromDelay - Could not "
|
708
|
+ "interpret delay unit: " + delayUnit + ". Unit must be s, m, h or d");
|
709
|
}
|
710
|
|
711
|
return cal;
|
712
|
}
|
713
|
}
|