/**
* Spans new, separate thread exclusively for the resource.
*
* @param context request context
* @param resource resource to harvest
* @param maxRecs maximum number of records to harvest (<code>null</code> for no maximum limit)
* @param fromDate to harvest only from the specific date (<code>null</code> for no from date)
* @return <code>true</code> if task has been sumbited
*/
public boolean span(RequestContext context, HrRecord resource, Integer maxRecs, Date fromDate) {
if (resource == null) throw new IllegalArgumentException("No resource to harvest provided.");
// create instance of the task
// add only if no similar task currently executing
boolean submitted = false;
if (resource.getApprovalStatus() == ApprovalStatus.approved && resource.getSynchronizable()) {
CommonCriteria criteria = new CommonCriteria();
criteria.setMaxRecords(maxRecs);
criteria.setFromDate(fromDate);
submitted =
pool != null && taskQueue != null
? !pool.isExecuting(resource.getUuid())
&& taskQueue.register(context, resource, criteria)
: false;
if (submitted) pool.span(resource, criteria);
LOGGER.log(
Level.FINER,
"[SYNCHRONIZER] Submitted resource: {0} ({1})",
new Object[] {resource.getUuid(), resource.getName()});
}
return submitted;
}
