private Exertion register(Exertion exertion) throws Exception {
RemoteEventListener l = (RemoteEventListener) (new ResultListener().export());
ServiceExertion registeredExertion =
(ServiceExertion) (sessionMonitor.register(l, exertion, LEASE_RENEWAL_PERIOD));
MonitoringSession session = (MonitoringSession) (registeredExertion.getMonitorSession());
logger.info("Session for the exertion =" + session);
logger.info(
"Lease to be renewed for duration ="
+ (session.getLease().getExpiration() - System.currentTimeMillis()));
lrm.renewUntil(session.getLease(), Lease.ANY, null);
return registeredExertion;
}
/**
* Actually rearrange the exertions in the job according to the sorting
*
* @param topXrt
* @param sortedExertions
* @throws CycleDetectedException
* @throws ContextException
*/
private void reorderJob(Exertion topXrt, List<Mogram> sortedExertions) {
List<Mogram> sortedSubset = new ArrayList(sortedExertions);
sortedSubset.retainAll(topXrt.getMograms());
if (topXrt.getFlowType() != null && topXrt.getFlowType().equals(Strategy.Flow.AUTO)) {
((ServiceExertion) topXrt).setFlowType(setFlow(topXrt, sortedSubset));
logger.info("FLOW for exertion: " + topXrt.getName() + " set to: " + topXrt.getFlowType());
}
List<String> exertionsBefore = new ArrayList<String>();
for (Mogram xrt : topXrt.getMograms()) exertionsBefore.add(xrt.getName());
List<String> exertionsAfter = new ArrayList<String>();
for (Mogram xrt : sortedExertions) exertionsAfter.add(xrt.getName());
if (!topXrt.getMograms().equals(sortedSubset)) {
logger.info("Order of exertions for " + topXrt.getName() + " will be changed: ");
logger.info("From: " + exertionsBefore);
logger.info("To: " + exertionsAfter);
topXrt.getMograms().removeAll(sortedSubset);
topXrt.getMograms().addAll(sortedSubset);
}
for (Iterator i = topXrt.getMograms().iterator(); i.hasNext(); ) {
Exertion xrt = (Exertion) i.next();
if (xrt instanceof Job) {
reorderJob(xrt, sortedExertions);
}
}
}
protected void preExecExertion(Exertion exertion) throws ExertionException {
try {
exertion
.getControlContext()
.appendTrace(provider.getProviderName() + " dispatcher: " + getClass().getName());
ExertionSessionInfo.add((ServiceExertion) exertion);
// Provider is expecting exertion field in Context to be set.
xrt.getContext().setExertion(xrt);
updateInputs(exertion);
} catch (Exception e) {
throw new ExertionException(e);
}
((ServiceExertion) exertion).startExecTime();
((ServiceExertion) exertion).setStatus(RUNNING);
}
protected void postExecExertion(Exertion result) throws ExertionException {
ServiceExertion sxrt = (ServiceExertion) result;
if (sxrt instanceof NetJob)
((NetJob) xrt).setExertionAt(result, ((ServiceExertion) result).getIndex());
else xrt = sxrt;
try {
if (sxrt.getStatus() > ERROR && sxrt.getStatus() != SUSPENDED) {
sxrt.setStatus(DONE);
collectOutputs(result);
}
} catch (Exception e) {
throw new ExertionException(e);
}
if (sxrt.getStatus() != DONE) state = sxrt.getStatus();
xrt.stopExecTime();
dispatchers.remove(xrt.getId());
ExertionSessionInfo.removeLease();
dThread.stop = true;
}
protected void execExertion(Exertion exertion)
throws ExertionException, SignatureException, RemoteException {
ServiceExertion ei = (ServiceExertion) exertion;
preExecExertion(exertion);
logger.log(Level.INFO, "Prexec Exertion done .... noe executing exertion");
try {
if (ei.isTask()) execTask((NetTask) exertion);
else throw new ExertionException("Functionality not yet supported");
} catch (Exception ex) {
ex.printStackTrace();
ei.reportException(ex);
try {
if (ei.isTask())
((MonitoringSession) ((ServiceExertion) exertion).getMonitorSession())
.changed(((NetTask) exertion).getContext(), State.FAILED);
} catch (Exception ex0) {
ex0.printStackTrace();
} finally {
((ServiceExertion) exertion).setStatus(FAILED);
}
}
}