List of usage examples for com.google.common.util.concurrent ListeningExecutorService shutdown
void shutdown();
From source file:com.appdynamics.monitors.azure.AzureServiceBusMonitor.java
private void collectAndPrintMetrics(final Configuration config) throws TaskExecutionException { final Azure azure = config.getAzure(); final String metricPrefix = config.getMetricPrefix(); List<Namespace> namespaces = config.getNamespaces(); if (namespaces == null || namespaces.isEmpty()) { logger.info("No namespaces configured. Please configure namespaces in config.yml file to get stats"); return;// w w w .j av a2 s . co m } ListeningExecutorService namespaceService = MoreExecutors .listeningDecorator(Executors.newFixedThreadPool(config.getNamespaceThreads())); try { for (final Namespace namespace : namespaces) { final String namespaceName = namespace.getNamespace(); if (Strings.isNullOrEmpty(namespaceName)) { logger.info("No value for namespaces in configuration. Ignoring the entry"); continue; } //Queue Stats ListenableFuture<Set<String>> getQueueNames = namespaceService.submit(new Callable<Set<String>>() { public Set<String> call() { return getQueueNames(config, namespaceName, namespace.getExcludeQueues()); } }); Futures.addCallback(getQueueNames, new FutureCallback<Set<String>>() { public void onSuccess(Set<String> queueNames) { if (queueNames != null && !queueNames.isEmpty()) { try { Map<String, String> queueStats = azureServiceBusStatsCollector.collectQueueStats( azure, namespaceName, queueNames, namespace.getQueueStats(), config.getQueueThreads()); printMetrics(queueStats, metricPrefix); } catch (TaskExecutionException e) { logger.error("Unable to get queue stats for namespace [" + namespaceName, e); } } } public void onFailure(Throwable thrown) { logger.error("Unable to get queues for namespace [" + namespaceName, thrown); } }); //Topic stats ListenableFuture<Set<String>> getTopicNames = namespaceService.submit(new Callable<Set<String>>() { public Set<String> call() { return getTopicNames(config, namespaceName, namespace.getExcludeTopics()); } }); Futures.addCallback(getTopicNames, new FutureCallback<Set<String>>() { public void onSuccess(Set<String> topicNames) { if (topicNames != null && !topicNames.isEmpty()) { try { Map<String, String> topicStats = azureServiceBusStatsCollector.collectTopicStats( azure, namespaceName, topicNames, namespace.getTopicStats(), config.getTopicThreads()); printMetrics(topicStats, metricPrefix); } catch (TaskExecutionException e) { logger.error("Unable to get topic stats for namespace [" + namespaceName, e); } } } public void onFailure(Throwable thrown) { logger.error("Unable to get topics for namespace [" + namespaceName, thrown); } }); } } finally { namespaceService.shutdown(); } }
From source file:com.github.rinde.datgen.pdptw.DatasetGenerator.java
Dataset<GeneratedScenario> doGenerate() {
final ListeningExecutorService service = MoreExecutors
.listeningDecorator(Executors.newFixedThreadPool(builder.numThreads));
final Dataset<GeneratedScenario> dataset = Dataset.naturalOrder();
final List<ScenarioCreator> jobs = new ArrayList<>();
final RandomGenerator rng = new MersenneTwister(builder.randomSeed);
final Map<GeneratorSettings, IdSeedGenerator> rngMap = new LinkedHashMap<>();
for (final Long urgency : builder.urgencyLevels) {
for (final Double scale : builder.scaleLevels) {
for (final Entry<TimeSeriesType, Collection<Range<Double>>> dynLevel : builder.dynamismLevels
.asMap().entrySet()) {
final int reps = builder.numInstances * dynLevel.getValue().size();
final long urg = urgency * 60 * 1000L;
// The office hours is the period in which new orders are accepted,
// it is defined as [0,officeHoursLength).
final long officeHoursLength;
if (urg < halfDiagTT) {
officeHoursLength = builder.scenarioLengthMs - twoDiagTT - PICKUP_DURATION
- DELIVERY_DURATION;
} else {
officeHoursLength = builder.scenarioLengthMs - urg - oneAndHalfDiagTT - PICKUP_DURATION
- DELIVERY_DURATION;
}/*from w w w. j a v a 2 s . c om*/
final int numOrders = DoubleMath.roundToInt(scale * numOrdersPerScale,
RoundingMode.UNNECESSARY);
final ImmutableMap.Builder<String, String> props = ImmutableMap.builder();
props.put("expected_num_orders", Integer.toString(numOrders));
props.put("pickup_duration", Long.toString(PICKUP_DURATION));
props.put("delivery_duration", Long.toString(DELIVERY_DURATION));
props.put("width_height", String.format("%1.1fx%1.1f", AREA_WIDTH, AREA_WIDTH));
// TODO store this in TimeSeriesType?
final RangeSet<Double> rset = TreeRangeSet.create();
for (final Range<Double> r : dynLevel.getValue()) {
rset.add(r);
}
// createTimeSeriesGenerator(dynLevel.getKey(), officeHoursLength,
// numOrders, numOrdersPerScale, props);
final GeneratorSettings set = GeneratorSettings.builder().setDayLength(builder.scenarioLengthMs)
.setOfficeHours(officeHoursLength).setTimeSeriesType(dynLevel.getKey())
.setDynamismRangeCenters(builder.dynamismRangeMap.subRangeMap(rset.span()))
.setUrgency(urg).setScale(scale).setNumOrders(numOrders).setProperties(props.build())
.build();
final IdSeedGenerator isg = new IdSeedGenerator(rng.nextLong());
rngMap.put(set, isg);
for (int i = 0; i < reps; i++) {
final LocationGenerator lg = Locations.builder().min(0d).max(AREA_WIDTH).buildUniform();
final TimeSeriesGenerator tsg2 = createTimeSeriesGenerator(dynLevel.getKey(),
officeHoursLength, numOrders, numOrdersPerScale,
ImmutableMap.<String, String>builder());
final ScenarioGenerator gen = createGenerator(officeHoursLength, urg, scale, tsg2,
set.getDynamismRangeCenters(), lg, builder, numOrdersPerScale);
jobs.add(ScenarioCreator.create(isg.next(), set, gen));
}
}
}
}
final AtomicLong currentJobs = new AtomicLong(0L);
final AtomicLong datasetSize = new AtomicLong(0L);
LOGGER.info(" - Submitting " + jobs.size() + " Jobs");
for (final ScenarioCreator job : jobs) {
submitJob(currentJobs, service, job, builder.numInstances, dataset, rngMap, datasetSize);
}
final long targetSize = builder.numInstances * builder.dynamismLevels.values().size()
* builder.scaleLevels.size() * builder.urgencyLevels.size();
while (datasetSize.get() < targetSize || dataset.size() < targetSize) {
try {
// LOGGER.info(" - Waiting, current size ==" + dataset.size());
Thread.sleep(THREAD_SLEEP_DURATION);
} catch (final InterruptedException e) {
throw new IllegalStateException(e);
}
}
LOGGER.info(" - Shutdown Service, Awaiting Termination");
service.shutdown();
try {
service.awaitTermination(1L, TimeUnit.HOURS);
} catch (final InterruptedException e) {
throw new IllegalStateException(e);
}
LOGGER.info(" - Returning dataset");
return dataset;
}