/** @since 2.0 */
@Override
public synchronized ITmfContext armRequest(final ITmfEventRequest request) {
if (executorIsShutdown()) {
return null;
}
if (!TmfTimestamp.BIG_BANG.equals(request.getRange().getStartTime())
&& (request.getIndex() == 0)) {
final ITmfContext context = seekEvent(request.getRange().getStartTime());
request.setStartIndex((int) context.getRank());
return context;
}
return seekEvent(request.getIndex());
}
/** @since 2.0 */
@Override
public synchronized ITmfContext armRequest(final ITmfEventRequest request) {
// Make sure we have something to read from
if (fTraces == null) {
return null;
}
if (!TmfTimestamp.BIG_BANG.equals(request.getRange().getStartTime())
&& request.getIndex() == 0) {
final ITmfContext context = seekEvent(request.getRange().getStartTime());
request.setStartIndex((int) context.getRank());
return context;
}
return seekEvent(request.getIndex());
}
@SuppressWarnings("unchecked")
protected void indexExperiment(
boolean waitForCompletion, final int index, final TmfTimeRange timeRange) {
synchronized (fCheckpoints) {
if (fIndexing) {
return;
}
fIndexing = true;
}
final Job job = new Job("Indexing " + getName() + "...") { // $NON-NLS-1$ //$NON-NLS-2$
@Override
protected IStatus run(IProgressMonitor monitor) {
while (!monitor.isCanceled()) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
return Status.OK_STATUS;
}
}
monitor.done();
return Status.OK_STATUS;
}
};
job.schedule();
// fEventLog = openLogFile("TraceEvent.log");
// System.out.println(System.currentTimeMillis() + ": Experiment indexing started");
ITmfEventRequest<TmfEvent> request =
new TmfEventRequest<TmfEvent>(
TmfEvent.class,
timeRange,
index,
TmfDataRequest.ALL_DATA,
fIndexPageSize,
ITmfDataRequest.ExecutionType.BACKGROUND) { // PATA FOREGROUND
// long indexingStart = System.nanoTime();
TmfTimestamp startTime =
(fTimeRange == TmfTimeRange.Null) ? null : fTimeRange.getStartTime();
TmfTimestamp lastTime =
(fTimeRange == TmfTimeRange.Null) ? null : fTimeRange.getEndTime();
long initialNbEvents = fNbEvents;
@Override
public void handleStarted() {
super.handleStarted();
}
@Override
public void handleData(TmfEvent event) {
super.handleData(event);
if (event != null) {
TmfTimestamp ts = event.getTimestamp();
if (startTime == null) startTime = new TmfTimestamp(ts);
lastTime = new TmfTimestamp(ts);
if ((getNbRead() % fIndexPageSize) == 1 && getNbRead() != 1) {
updateExperiment();
}
}
}
@Override
public void handleSuccess() {
// long indexingEnd = System.nanoTime();
if (getRange() != TmfTimeRange.Eternity) {
lastTime = getRange().getEndTime();
}
updateExperiment();
// System.out.println(System.currentTimeMillis() + ": Experiment indexing
// completed");
// long average = (indexingEnd - indexingStart) / fNbEvents;
// System.out.println(getName() + ": start=" + startTime + ", end=" +
// lastTime + ", elapsed="
// + (indexingEnd * 1.0 - indexingStart) / 1000000000);
// System.out.println(getName() + ": nbEvents=" + fNbEvents + " (" +
// (average / 1000) + "."
// + (average % 1000) + " us/evt)");
super.handleSuccess();
}
@Override
public void handleCompleted() {
job.cancel();
super.handleCompleted();
synchronized (fCheckpoints) {
fIndexing = false;
if (fIndexingPendingRange != TmfTimeRange.Null) {
indexExperiment(false, (int) fNbEvents, fIndexingPendingRange);
fIndexingPendingRange = TmfTimeRange.Null;
}
}
}
private void updateExperiment() {
int nbRead = getNbRead();
if (startTime != null) {
fTimeRange = new TmfTimeRange(startTime, new TmfTimestamp(lastTime));
}
if (nbRead != 0) {
// updateTimeRange();
// updateNbEvents();
fNbEvents = initialNbEvents + nbRead;
notifyListeners();
}
}
};
sendRequest((ITmfDataRequest<T>) request);
if (waitForCompletion)
try {
request.waitForCompletion();
} catch (InterruptedException e) {
e.printStackTrace();
}
}