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daigle
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/**
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* '$RCSfile$'
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* Purpose: a single workflow job that is schedulable
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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: 2008-07-06 21:25:34 -0700 (Sun, 06 Jul 2008) $'
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* '$Revision: 4080 $'
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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.workflowscheduler;
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import java.rmi.RemoteException;
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import javax.xml.rpc.ServiceException;
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import org.apache.log4j.Logger;
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import org.quartz.InterruptableJob;
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import org.quartz.JobDetail;
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import org.quartz.JobDataMap;
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import org.quartz.JobExecutionContext;
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import org.quartz.JobExecutionException;
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import org.kepler.executionWS.KeplerWebServiceLocator;
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import org.kepler.executionWS.KeplerWebServicePortType;
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import edu.ucsb.nceas.metacat.scheduler.ScheduledJobAccess;
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import edu.ucsb.nceas.metacat.scheduler.ScheduledJobDAO;
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import edu.ucsb.nceas.metacat.scheduler.ScheduledJobParamDAO;
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public class WorkflowJob implements InterruptableJob {
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private static Logger logMetacat = Logger.getLogger(WorkflowJob.class);
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/**
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* Required method that is called when the job is run by the scheduler.
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*
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* @param executionContext
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* the context information for this job
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*/
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public void execute(JobExecutionContext executionContext) throws JobExecutionException {
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try {
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// have to be able to get the job detail
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JobDetail jobDetail = executionContext.getJobDetail();
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if (jobDetail == null) {
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throw new JobExecutionException("WorkflowJob.execute - Could not get job detail from execution context");
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}
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// have to be able to get the job data map from the job detail
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JobDataMap jobDataMap = jobDetail.getJobDataMap();
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if (jobDataMap == null) {
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throw new JobExecutionException("WorkflowJob.execute - Could not get job data map from job detail");
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}
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String jobName = jobDetail.getName();
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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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String errorMessage = "WorkflowJob.execute - Could not retrieve job info from "
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+ "database for job: " + jobName;
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logMetacat.error(errorMessage);
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throw new JobExecutionException(errorMessage);
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}
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// the kar lsid must be part of the job data map
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ScheduledJobParamDAO jobParamDAO = jobDAO.getAllJobParams().get("karid");
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if (jobParamDAO == null) {
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throw new JobExecutionException("WorkflowJob.execute - Could not get job param named karid from "
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+ "job data map for job: " + jobName);
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}
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String karLSID = jobParamDAO.getValue();
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if (karLSID == null) {
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throw new JobExecutionException("WorkflowJob.execute - Could not get kar LSID for job: " + jobName);
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}
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// Locate service
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logMetacat.debug("WorkflowJob.execute - Getting kepler webservice Locator");
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KeplerWebServiceLocator serviceLocator = new KeplerWebServiceLocator();
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// get endpoint service
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logMetacat.debug("WorkflowJob.execute - Getting kepler webservice");
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KeplerWebServicePortType serviceEndpoint = serviceLocator.getKeplerWebServiceHttpSoap11Endpoint();
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// call execute against remote endpoint
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logMetacat.debug("WorkflowJob.execute - Executing with kar lsid:" + karLSID);
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String status = serviceEndpoint.execute(karLSID);
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logMetacat.debug("WorkflowJob.execute - Status: " + status);
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} catch (RemoteException re) {
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String errorStr = "WorkflowJob.execute - Remote problem when trying to execute task: " + re.getMessage();
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logMetacat.error(errorStr);
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throw new JobExecutionException(errorStr);
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} catch (ServiceException se) {
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String errorStr = "WorkflowJob.execute - Service problem when trying to execute task: " + se.getMessage();
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logMetacat.error(errorStr);
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throw new JobExecutionException(errorStr);
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} catch (Exception e) {
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String errorStr = "WorkflowJob.execute - General problem when trying to execute task: " + e.getMessage();
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logMetacat.error(errorStr);
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throw new JobExecutionException(errorStr);
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}
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}
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public void interrupt() {
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}
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}
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