public void start() {
// Thread is running
running = true;
// Start snapshot thread
metricWriter = new MetricWriterThread();
metricWriter.setName("Scoreboard-Snapshot-Writer");
metricWriter.start();
// Start worker thread
setName("Scoreboard-Worker");
super.start();
}
public void dispose() {
// Disable running flag
running = false;
// Worker thread
try {
// Join worker thread
logger.debug(this + " waiting for worker thread to exit!");
join(60 * 1000);
// If its still alive try to interrupt it
if (isAlive()) {
logger.debug(this + " interrupting worker thread.");
interrupt();
}
} catch (InterruptedException ie) {
logger.info(this + " Interrupted waiting on worker thread exit!");
}
// Snapshot thread
try {
// Stop snapshot thread
if (metricWriter != null) {
// Set stop flag
metricWriter.interrupt();
// Wait to join
logger.debug(this + " waiting metric snapshot writer thread to join");
metricWriter.join(60 * 1000);
// If its still alive try to interrupt again
if (metricWriter.isAlive()) {
logger.debug(this + " interrupting snapshot thread.");
metricWriter.interrupt();
}
}
} catch (InterruptedException ie) {
logger.info(this + " Interrupted waiting on snapshot thread exit!");
}
}
private void issueMetricSnapshot(OperationExecution result) {
// If snapshot thread doesn't exist
if (metricWriter == null) return;
long responseTime = result.getExecutionTime();
// Transferable stat object
ResponseTimeStat responseTimeStat =
new ResponseTimeStat(
result.timeFinished,
responseTime,
scorecard.getTotalOpResponseTime(),
scorecard.getTotalOpsSuccessful(),
result.operationName,
result.operationRequest,
targetId);
// Accept stat object
metricWriter.accept(responseTimeStat);
}
