Revision 4959
Added by daigle about 15 years ago
| SchedulerService.java | ||
|---|---|---|
| 26 | 26 |
|
| 27 | 27 |
package edu.ucsb.nceas.metacat.scheduler; |
| 28 | 28 |
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import java.text.DateFormat; |
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import java.text.ParseException; |
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import java.util.Arrays; |
| 32 | 30 |
import java.util.Calendar; |
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import java.util.Date; |
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import java.util.Enumeration; |
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import java.util.Hashtable; |
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import java.util.HashMap; |
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import java.util.Vector; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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|
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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; |
| 45 | 39 |
import org.quartz.Scheduler; |
| 46 | 40 |
import org.quartz.SchedulerException; |
| ... | ... | |
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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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|
| ... | ... | |
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private static Logger logMetacat = Logger.getLogger(SchedulerService.class); |
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|
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private static Scheduler sched = null; |
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|
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static Hashtable<String, String> jobClassNames = new Hashtable<String, String>(); |
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static {
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jobClassNames.put("workflow", "edu.ucsb.nceas.metacat.workflow.WorkflowJob");
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} |
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|
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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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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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return new Vector<String>(); |
| 117 | 109 |
} |
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public String scheduleHandler(Hashtable<String, String[]> params, |
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HttpServletRequest request, HttpServletResponse response, |
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String username, String[] groups) throws ServiceException {
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public String scheduleJob(String jobName, Calendar startCal, String interval, |
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String jobClassName, String jobGroup, HashMap<String, String> jobParams) throws ServiceException {
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String returnString = ""; |
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String[] categories = params.get("category");
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if (categories == null || categories.length == 0) {
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throw new ServiceException("SchedulerService.scheduleHandler - Category field "
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+ "must be populated in scheduler parameters"); |
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} |
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|
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String category = categories[0]; |
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if (category.equals("schedule")) {
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Calendar startCal = null; |
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Hashtable<String, String> jobParams = new Hashtable<String, String>(); |
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String jobTypes[] = params.get("type");
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if (jobTypes == null || jobTypes.length == 0) {
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throw new ServiceException("SchedulerService.scheduleJob - Type field must be populated "
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+ "in scheduler parameters when scheduling job."); |
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} |
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|
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String delays[] = params.get("delay");
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String startTimes[] = params.get("starttime");
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try {
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if (delays != null && delays.length > 0) {
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startCal = getStartDateFromDelay(delays[0]); |
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} else if (startTimes != null && startTimes.length > 0) {
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Date startDate = DateFormat.getInstance().parse(startTimes[0]); |
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startCal = Calendar.getInstance(); |
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startCal.setTime(startDate); |
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} else {
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throw new ServiceException("SchedulerService.scheduleJob - Either delay or starttime "
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+ "field must be populated in scheduler parameters when scheduling job."); |
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} |
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} catch (ParseException pe) {
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throw new ServiceException("SchedulerService.scheduleJob - Could not parse start time "
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+ startTimes[0] + " : " + pe.getMessage()); |
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} |
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|
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String intervals[] = params.get("interval");
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if (intervals == null || intervals.length == 0) {
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throw new ServiceException("SchedulerService.scheduleJob - Interval field must be populated "
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+ "in scheduler parameters when scheduling job."); |
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} |
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String interval = intervals[0]; |
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|
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Enumeration<String> paramNames = params.keys(); |
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while (paramNames.hasMoreElements()) {
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String paramName = paramNames.nextElement(); |
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if (paramName.startsWith("jobparam_")) {
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jobParams.put(paramName.substring(8), params.get(paramName)[0]); |
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} |
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} |
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String jobType = jobTypes[0]; |
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String jobName = jobType + Calendar.getInstance().getTimeInMillis(); |
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returnString = scheduleJob(jobName, startCal, interval, jobType, jobParams); |
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} else if (category.equals("unschedule")) {
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String jobNames[] = params.get("jobName");
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if (jobNames == null || jobNames.length == 0) {
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throw new ServiceException("SchedulerService.scheduleJob - Job ID field must be populated "
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+ "in scheduler parameters when unscheduling job."); |
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} |
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unscheduleJob(jobNames[0]); |
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} else if (category.equals("delete")) {
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// deleteJob(params); |
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} |
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return returnString; |
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} |
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|
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public String scheduleJob(String jobName, Calendar startCal, String interval, |
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String jobType, Hashtable<String, String> jobParams) throws ServiceException {
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|
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Class<Job> jobClass = null; |
| 198 |
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String className = jobClassNames.get(jobType); |
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if (className == null) {
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throw new ServiceException("SchedulerService.scheduleJob - Type: " + jobType
|
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+ " is not registered as a valid job type"); |
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} |
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|
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logMetacat.info("Scheduling job -- name: " + jobName + ", class: " + className
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+ ", start time: " + startCal.toString() + ", interval: " + interval); |
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|
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try {
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jobClass = (Class<Job>)Class.forName(jobType + "Job");
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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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+ jobType + "Job");
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}
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+ jobClassName + " : " + cnfe.getMessage());
|
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} |
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|
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char intervalUnit = interval.trim().charAt(interval.length()); |
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logMetacat.info("Scheduling job -- name: " + jobName + ", class: " + jobClassName
|
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+ ", start time: " + startCal.toString() + ", interval: " + interval); |
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|
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char intervalUnit = interval.trim().charAt(interval.length() - 1); |
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String intervalStrValue = interval.trim().substring(0, interval.length() - 1); |
| 217 | 127 |
int intervalValue; |
| 218 | 128 |
try {
|
| 219 | 129 |
intervalValue = Integer.parseInt(intervalStrValue); |
| 220 | 130 |
} catch (NumberFormatException nfe) {
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throw new ServiceException("SchedulerService.scheduleJob - Could not parse interval value "
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+ "into an integer: " + intervalStrValue); |
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+ "into an integer: " + intervalStrValue + " : " + nfe.getMessage());
|
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} |
| 224 | 134 |
|
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switch (intervalUnit) {
|
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case 's': |
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case 'S': |
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scheduleSecondlyJob(jobName, jobClass, startCal, intervalValue, jobType); |
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break; |
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case 'm': |
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case 'M': |
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scheduleMinutelyJob(jobName, jobClass, startCal, intervalValue, jobType); |
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break; |
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case 'h': |
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case 'H': |
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scheduleHourlyJob(jobName, jobClass, startCal, intervalValue, jobType); |
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break; |
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case 'd': |
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case 'D': |
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scheduleDailyJob(jobName, jobClass, startCal, intervalValue, jobType); |
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break; |
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default: |
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throw new ServiceException("SchedulerService.scheduleJob - Could not interpret interval unit: "
|
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+ intervalUnit + ". Unit must be s, m, h or d"); |
|
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} |
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startJob(jobName, startCal, intervalValue, intervalUnit, jobClass, jobGroup, jobParams); |
|
| 246 | 136 |
|
| 247 | 137 |
try {
|
| 248 | 138 |
ScheduledJobAccess jobAccess = new ScheduledJobAccess(); |
| 249 |
jobAccess.createJob(jobName, jobClass, startCal, intervalValue, jobParams);
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jobAccess.createJob(jobName, jobName, jobGroup, jobClass, startCal, intervalValue, Character.toString(intervalUnit), jobParams);
|
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| 250 | 140 |
} catch (AccessException ae) {
|
| 251 | 141 |
try {
|
| 252 | 142 |
deleteJob(jobName); |
| 253 |
} catch (ServiceException se) {
|
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| 143 |
} catch (Exception e) {
|
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// Not much we can do here but log this |
| 255 | 145 |
logMetacat.error("An access exception was thrown when writing job: " + jobName
|
| 256 | 146 |
+ "to the db, and another exception was thrown when trying to remove the " |
| 257 |
+ "job from the scheduler. The db and scheduler may be out of sync");
|
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+ "job from the scheduler. The db and scheduler may be out of sync: " + e.getMessage());
|
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| 258 | 148 |
} |
| 259 |
throw new ServiceException("SchedulerService.scheduleJob - Error accessing db: "
|
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+ ae.getMessage()); |
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throw new ServiceException("SchedulerService.scheduleJob - Error accessing db: ", ae);
|
|
| 261 | 150 |
} |
| 262 | 151 |
|
| 263 | 152 |
return jobName; |
| ... | ... | |
| 270 | 159 |
|
| 271 | 160 |
sched.unscheduleJob(jobDAO.getName(), jobDAO.getGroupName()); |
| 272 | 161 |
|
| 273 |
jobDAO.setStatus(ScheduledJobInterface.STATE_UNSHCEDULED);
|
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| 162 |
jobDAO.setStatus(StatusUtil.UNSHCEDULED);
|
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| 274 | 163 |
jobAccess.updateJobStatus(jobDAO); |
| 275 | 164 |
} catch (SchedulerException se) {
|
| 276 | 165 |
throw new ServiceException("SchedulerService.unscheduleJob - Could not create "
|
| 277 | 166 |
+ "scheduled job because of service issue: " + se.getMessage()); |
| 278 | 167 |
} catch (AccessException ae) {
|
| 279 | 168 |
throw new ServiceException("SchedulerService.unscheduleJob - Could not create "
|
| 280 |
+ "scheduled job because of db access issue: " + ae.getMessage());
|
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| 169 |
+ "scheduled job because of db access issue: ", ae);
|
|
| 281 | 170 |
} |
| 282 | 171 |
} |
| 283 | 172 |
|
| 284 | 173 |
public void deleteJob(String jobName) throws ServiceException {
|
| 285 | 174 |
String groupName = ""; |
| 286 |
|
|
| 175 |
|
|
| 287 | 176 |
try {
|
| 288 | 177 |
ScheduledJobAccess jobAccess = new ScheduledJobAccess(); |
| 289 | 178 |
ScheduledJobDAO jobDAO = jobAccess.getJobByName(jobName); |
| 290 | 179 |
groupName = jobDAO.getGroupName(); |
| 291 |
|
|
| 180 |
|
|
| 292 | 181 |
sched.deleteJob(jobName, groupName); |
| 293 | 182 |
} catch (SchedulerException se) {
|
| 294 |
throw new ServiceException("SchedulerService.deleteJob - Could not delete job: "
|
|
| 295 |
+ jobName + " for group: " + groupName + " : " + se.getMessage());
|
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| 183 |
throw new ServiceException("SchedulerService.deleteJob - Could not delete job: " + jobName
|
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| 184 |
+ " for group: " + groupName + " : " + se.getMessage());
|
|
| 296 | 185 |
} catch (AccessException ae) {
|
| 297 | 186 |
throw new ServiceException("SchedulerService.deleteJob - Could not delete "
|
| 298 |
+ "scheduled job because of db access issue: " + ae.getMessage());
|
|
| 299 |
} |
|
| 187 |
+ "scheduled job because of db access issue: ", ae);
|
|
| 188 |
}
|
|
| 300 | 189 |
} |
| 301 | 190 |
|
| 302 | 191 |
public Vector<String> getJobInfo(String groupName) throws ServiceException {
|
| ... | ... | |
| 319 | 208 |
return returnVector; |
| 320 | 209 |
} |
| 321 | 210 |
|
| 322 |
private void scheduleSecondlyJob(String name, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup) throws ServiceException {
|
|
| 323 |
JobDetail jobDetail = new JobDetail(name, jobGroup, jobClass); |
|
| 211 |
public String getJobInfoXML(Long jobId) throws ServiceException {
|
|
| 212 |
String jobInfoXML = ""; |
|
| 213 |
|
|
| 214 |
try {
|
|
| 215 |
ScheduledJobAccess jobAccess = new ScheduledJobAccess(); |
|
| 216 |
ScheduledJobDAO scheduledJobDAO = jobAccess.getJob(jobId); |
|
| 217 |
|
|
| 218 |
jobInfoXML += |
|
| 219 |
"<scheduledJobs>" + jobToXML(scheduledJobDAO) + "</scheduledJobs>"; |
|
| 220 |
|
|
| 221 |
} catch (AccessException ae) {
|
|
| 222 |
throw new ServiceException("SchedulerService.getJobInfoXML - Could not get job info for job: "
|
|
| 223 |
+ jobId, ae); |
|
| 224 |
} |
|
| 225 |
|
|
| 226 |
return jobInfoXML; |
|
| 227 |
} |
|
| 228 |
|
|
| 229 |
public String getJobsInfoXML(String groupName) throws ServiceException {
|
|
| 230 |
String jobInfoXML = ""; |
|
| 231 |
|
|
| 232 |
try {
|
|
| 233 |
ScheduledJobAccess jobAccess = new ScheduledJobAccess(); |
|
| 234 |
HashMap<Long, ScheduledJobDAO> JobDAOMap = jobAccess.getAllJobs(groupName); |
|
| 235 |
|
|
| 236 |
jobInfoXML += "<scheduledJobs>"; |
|
| 237 |
for (Long jobDAOId : JobDAOMap.keySet()) {
|
|
| 238 |
jobInfoXML += jobToXML(JobDAOMap.get(jobDAOId)); |
|
| 239 |
} |
|
| 240 |
jobInfoXML += "</scheduledJobs>"; |
|
| 241 |
|
|
| 242 |
} catch (AccessException ae) {
|
|
| 243 |
throw new ServiceException("SchedulerService.getJobInfoXML - Could not get jobs info for group: "
|
|
| 244 |
+ groupName, ae); |
|
| 245 |
} |
|
| 246 |
|
|
| 247 |
return jobInfoXML; |
|
| 248 |
} |
|
| 249 |
|
|
| 250 |
private String jobToXML(ScheduledJobDAO scheduledJobDAO) {
|
|
| 251 |
String jobXML = ""; |
|
| 324 | 252 |
|
| 253 |
if (scheduledJobDAO != null) {
|
|
| 254 |
jobXML += "<scheduledJob>"; |
|
| 255 |
jobXML += "<id>" + scheduledJobDAO.getId() + "</id>"; |
|
| 256 |
jobXML += "<createTime>" + scheduledJobDAO.getCreateTime() + "</createTime>"; |
|
| 257 |
jobXML += "<modTime>" + scheduledJobDAO.getModTime() + "</modTime>"; |
|
| 258 |
jobXML += "<status>" + scheduledJobDAO.getStatus() + "</status>"; |
|
| 259 |
jobXML += "<name>" + scheduledJobDAO.getName() + "</name>"; |
|
| 260 |
jobXML += "<triggerName>" + scheduledJobDAO.getName() + "</triggerName>"; |
|
| 261 |
jobXML += "<groupName>" + scheduledJobDAO.getGroupName() + "</groupName>"; |
|
| 262 |
jobXML += "<className>" + scheduledJobDAO.getName() + "</className>"; |
|
| 263 |
jobXML += "<startTime>" + scheduledJobDAO.getStartTime().toString() |
|
| 264 |
+ "</startTime>"; |
|
| 265 |
jobXML += "<intervalValue>" + scheduledJobDAO.getIntervalValue() |
|
| 266 |
+ "</intervalValue>"; |
|
| 267 |
jobXML += "<intervalUnit>" + scheduledJobDAO.getIntervalUnit() |
|
| 268 |
+ "</intervalUnit>"; |
|
| 269 |
|
|
| 270 |
HashMap<String, ScheduledJobParamDAO> jobParams = scheduledJobDAO |
|
| 271 |
.getAllJobParams(); |
|
| 272 |
for (String jobParamKey : jobParams.keySet()) {
|
|
| 273 |
jobXML += "<jobParam>"; |
|
| 274 |
jobXML += "<id>" + jobParams.get(jobParamKey).getId() + "</id>"; |
|
| 275 |
jobXML += "<createTime>" + jobParams.get(jobParamKey).getCreateTime() |
|
| 276 |
+ "</createTime>"; |
|
| 277 |
jobXML += "<modTime>" + jobParams.get(jobParamKey).getModTime() |
|
| 278 |
+ "</modTime>"; |
|
| 279 |
jobXML += "<status>" + jobParams.get(jobParamKey).getStatus() |
|
| 280 |
+ "</status>"; |
|
| 281 |
jobXML += "<jobId>" + jobParams.get(jobParamKey).getJobId() + "</jobId>"; |
|
| 282 |
jobXML += "<key>" + jobParams.get(jobParamKey).getKey() + "</key>"; |
|
| 283 |
jobXML += "<value>" + jobParams.get(jobParamKey).getValue() + "</value>"; |
|
| 284 |
jobXML += "</jobParam>"; |
|
| 285 |
} |
|
| 286 |
jobXML += "</scheduledJob>"; |
|
| 287 |
} |
|
| 288 |
|
|
| 289 |
return jobXML; |
|
| 290 |
} |
|
| 291 |
|
|
| 292 |
|
|
| 293 |
private void startJob(String jobName, Calendar startCal, int intervalValue, char intervalUnit, |
|
| 294 |
Class<Job> jobClass, String jobGroup, HashMap<String, String> jobParams) throws ServiceException {
|
|
| 295 |
|
|
| 296 |
JobDetail jobDetail = new JobDetail(jobName, jobGroup, jobClass); |
|
| 297 |
jobDetail.setJobDataMap(new JobDataMap(jobParams)); |
|
| 298 |
|
|
| 299 |
switch (intervalUnit) {
|
|
| 300 |
case 's': |
|
| 301 |
case 'S': |
|
| 302 |
scheduleSecondlyJob(jobName, jobClass, startCal, intervalValue, jobGroup, jobDetail); |
|
| 303 |
break; |
|
| 304 |
case 'm': |
|
| 305 |
case 'M': |
|
| 306 |
scheduleMinutelyJob(jobName, jobClass, startCal, intervalValue, jobGroup, jobDetail); |
|
| 307 |
break; |
|
| 308 |
case 'h': |
|
| 309 |
case 'H': |
|
| 310 |
scheduleHourlyJob(jobName, jobClass, startCal, intervalValue, jobGroup, jobDetail); |
|
| 311 |
break; |
|
| 312 |
case 'd': |
|
| 313 |
case 'D': |
|
| 314 |
scheduleDailyJob(jobName, jobClass, startCal, intervalValue, jobGroup, jobDetail); |
|
| 315 |
break; |
|
| 316 |
default: |
|
| 317 |
throw new ServiceException("SchedulerService.scheduleJob - Could not interpret interval unit: "
|
|
| 318 |
+ intervalUnit + ". Unit must be s, m, h or d"); |
|
| 319 |
} |
|
| 320 |
} |
|
| 321 |
|
|
| 322 |
private void scheduleSecondlyJob(String jobName, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup, JobDetail jobDetail) throws ServiceException {
|
|
| 323 |
|
|
| 325 | 324 |
Trigger trigger = TriggerUtils.makeSecondlyTrigger(interval); |
| 326 |
trigger.setName(name);
|
|
| 325 |
trigger.setName(jobName);
|
|
| 327 | 326 |
trigger.setStartTime(startTime.getTime()); |
| 328 | 327 |
|
| 329 | 328 |
try {
|
| ... | ... | |
| 334 | 333 |
} |
| 335 | 334 |
} |
| 336 | 335 |
|
| 337 |
private void scheduleMinutelyJob(String name, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup) throws ServiceException {
|
|
| 338 |
JobDetail jobDetail = new JobDetail(name, jobGroup, jobClass); |
|
| 336 |
private void scheduleMinutelyJob(String jobName, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup, JobDetail jobDetail) throws ServiceException {
|
|
| 339 | 337 |
|
| 340 | 338 |
Trigger trigger = TriggerUtils.makeMinutelyTrigger(interval); |
| 341 |
trigger.setName(name);
|
|
| 339 |
trigger.setName(jobName);
|
|
| 342 | 340 |
trigger.setStartTime(startTime.getTime()); |
| 343 | 341 |
|
| 344 | 342 |
try {
|
| ... | ... | |
| 349 | 347 |
} |
| 350 | 348 |
} |
| 351 | 349 |
|
| 352 |
private void scheduleHourlyJob(String name, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup) throws ServiceException {
|
|
| 353 |
JobDetail jobDetail = new JobDetail(name, jobGroup, jobClass); |
|
| 350 |
private void scheduleHourlyJob(String jobName, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup, JobDetail jobDetail) throws ServiceException {
|
|
| 354 | 351 |
|
| 355 | 352 |
Trigger trigger = TriggerUtils.makeHourlyTrigger(interval); |
| 356 |
trigger.setName(name);
|
|
| 353 |
trigger.setName(jobName);
|
|
| 357 | 354 |
trigger.setStartTime(startTime.getTime()); |
| 358 | 355 |
|
| 359 | 356 |
try {
|
| ... | ... | |
| 364 | 361 |
} |
| 365 | 362 |
} |
| 366 | 363 |
|
| 367 |
private void scheduleDailyJob(String name, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup) throws ServiceException {
|
|
| 364 |
private void scheduleDailyJob(String jobName, Class<Job> jobClass, Calendar startTime, int interval, String jobGroup, JobDetail jobDetail) throws ServiceException {
|
|
| 368 | 365 |
|
| 369 |
JobDetail jobDetail = new JobDetail(name, jobGroup, jobClass); |
|
| 370 |
|
|
| 371 | 366 |
Trigger trigger = TriggerUtils.makeHourlyTrigger(interval * 24); |
| 372 |
trigger.setName(name);
|
|
| 367 |
trigger.setName(jobName);
|
|
| 373 | 368 |
trigger.setStartTime(startTime.getTime()); |
| 374 | 369 |
|
| 375 | 370 |
try {
|
| ... | ... | |
| 382 | 377 |
|
| 383 | 378 |
|
| 384 | 379 |
|
| 385 |
private Calendar getStartDateFromDelay(String delay) throws ServiceException {
|
|
| 380 |
public Calendar getStartDateFromDelay(String delay) throws ServiceException {
|
|
| 386 | 381 |
Calendar cal = Calendar.getInstance(); |
| 387 | 382 |
|
| 388 |
char delayUnit = delay.trim().charAt(delay.length()); |
|
| 383 |
char delayUnit = delay.trim().charAt(delay.length() - 1);
|
|
| 389 | 384 |
String delayStrValue = delay.trim().substring(0, delay.length() - 1); |
| 390 | 385 |
int delayValue; |
| 391 | 386 |
try {
|
| 392 | 387 |
delayValue = Integer.parseInt(delayStrValue); |
| 393 | 388 |
} catch (NumberFormatException nfe) {
|
| 394 | 389 |
throw new ServiceException("SchedulerService.getStartDateFromDelay - Could not "
|
| 395 |
+ "parse delay value into an integer: " + delayStrValue); |
|
| 390 |
+ "parse delay value into an integer: " + delayStrValue + " : " + nfe.getMessage());
|
|
| 396 | 391 |
} |
| 397 | 392 |
|
| 398 | 393 |
switch (delayUnit) {
|
Also available in: Unified diff
Added generic scheduler and workflow scheduling functionality.