@Override
public void run() {
logger.info(this + " starting scoreboard worker thread...");
// Run as long as the scoreboard is not done or the dropoff queue still contains entries
while (running || !dropOffQ.isEmpty()) {
if (!dropOffQ.isEmpty()) {
// Queue swap (dropOffQ with processingQ)
synchronized (swapDropoffQueueLock) {
List<OperationExecution> temp = processingQ;
processingQ = dropOffQ;
dropOffQ = temp;
}
// Process all entries in the working queue
while (!processingQ.isEmpty()) {
OperationExecution result = processingQ.remove(0);
TraceLabels traceLabel = result.getTraceLabel();
// Process this operation by its label
switch (traceLabel) {
case STEADY_STATE_TRACE_LABEL:
processSteadyStateResult(result);
break;
case LATE_LABEL:
processLateStateResult(result);
break;
default:
// Not processed
break;
}
}
} else {
// Wait some time, until the dropOffQ fills up
try {
Thread.sleep(1000);
} catch (InterruptedException tie) {
logger.info(this + " worker thread interrupted.");
}
}
}
// Debugging
logger.debug(this + " drop off queue size (should be 0): " + dropOffQ.size());
logger.debug(this + " processing queue size (should be 0): " + processingQ.size());
logger.debug(this + " worker thread finished!");
}
