Examples with TimestampedNotification org.apache.rya.periodic.notification.notification.TimestampedNotification used on opensource projects

Example 1 with TimestampedNotification

use of org.apache.rya.periodic.notification.notification.TimestampedNotification in project incubator-rya by apache.

the class PeriodicNotificationProcessorIT method periodicProcessorTest.

@Test
public void periodicProcessorTest() throws Exception {
    String id = UUID.randomUUID().toString().replace("-", "");
    BlockingQueue<TimestampedNotification> notifications = new LinkedBlockingQueue<>();
    BlockingQueue<NodeBin> bins = new LinkedBlockingQueue<>();
    BlockingQueue<BindingSetRecord> bindingSets = new LinkedBlockingQueue<>();
    TimestampedNotification ts1 = new TimestampedNotification(PeriodicNotification.builder().id(id).initialDelay(0).period(2000).timeUnit(TimeUnit.SECONDS).build());
    long binId1 = (ts1.getTimestamp().getTime() / ts1.getPeriod()) * ts1.getPeriod();
    Thread.sleep(2000);
    TimestampedNotification ts2 = new TimestampedNotification(PeriodicNotification.builder().id(id).initialDelay(0).period(2000).timeUnit(TimeUnit.SECONDS).build());
    long binId2 = (ts2.getTimestamp().getTime() / ts2.getPeriod()) * ts2.getPeriod();
    Set<NodeBin> expectedBins = new HashSet<>();
    expectedBins.add(new NodeBin(id, binId1));
    expectedBins.add(new NodeBin(id, binId2));
    Set<BindingSet> expected = new HashSet<>();
    Set<VisibilityBindingSet> storageResults = new HashSet<>();
    QueryBindingSet bs1 = new QueryBindingSet();
    bs1.addBinding("periodicBinId", vf.createLiteral(binId1));
    bs1.addBinding("id", vf.createLiteral(1));
    expected.add(bs1);
    storageResults.add(new VisibilityBindingSet(bs1));
    QueryBindingSet bs2 = new QueryBindingSet();
    bs2.addBinding("periodicBinId", vf.createLiteral(binId1));
    bs2.addBinding("id", vf.createLiteral(2));
    expected.add(bs2);
    storageResults.add(new VisibilityBindingSet(bs2));
    QueryBindingSet bs3 = new QueryBindingSet();
    bs3.addBinding("periodicBinId", vf.createLiteral(binId2));
    bs3.addBinding("id", vf.createLiteral(3));
    expected.add(bs3);
    storageResults.add(new VisibilityBindingSet(bs3));
    QueryBindingSet bs4 = new QueryBindingSet();
    bs4.addBinding("periodicBinId", vf.createLiteral(binId2));
    bs4.addBinding("id", vf.createLiteral(4));
    expected.add(bs4);
    storageResults.add(new VisibilityBindingSet(bs4));
    PeriodicQueryResultStorage periodicStorage = new AccumuloPeriodicQueryResultStorage(super.getAccumuloConnector(), RYA_INSTANCE_NAME);
    periodicStorage.createPeriodicQuery(id, "select ?id where {?obs <urn:hasId> ?id.}", new VariableOrder("periodicBinId", "id"));
    periodicStorage.addPeriodicQueryResults(id, storageResults);
    NotificationProcessorExecutor processor = new NotificationProcessorExecutor(periodicStorage, notifications, bins, bindingSets, 1);
    processor.start();
    notifications.add(ts1);
    notifications.add(ts2);
    Thread.sleep(5000);
    Assert.assertEquals(expectedBins.size(), bins.size());
    Assert.assertEquals(true, bins.containsAll(expectedBins));
    Set<BindingSet> actual = new HashSet<>();
    bindingSets.forEach(x -> actual.add(x.getBindingSet()));
    Assert.assertEquals(expected, actual);
    processor.stop();
}

Example 2 with TimestampedNotification

use of org.apache.rya.periodic.notification.notification.TimestampedNotification in project incubator-rya by apache.

the class PeriodicNotificationApplicationFactory method getPeriodicApplication.

/**
 * Create a PeriodicNotificationApplication.
 * @param conf - Configuration object that specifies the parameters needed to create the application
 * @return PeriodicNotificationApplication to periodically poll Rya Fluo for new results
 * @throws PeriodicApplicationException
 */
public static PeriodicNotificationApplication getPeriodicApplication(final PeriodicNotificationApplicationConfiguration conf) throws PeriodicApplicationException {
    final Properties kafkaConsumerProps = getKafkaConsumerProperties(conf);
    final Properties kafkaProducerProps = getKafkaProducerProperties(conf);
    final BlockingQueue<TimestampedNotification> notifications = new LinkedBlockingQueue<>();
    final BlockingQueue<NodeBin> bins = new LinkedBlockingQueue<>();
    final BlockingQueue<BindingSetRecord> bindingSets = new LinkedBlockingQueue<>();
    FluoClient fluo = null;
    try {
        final PeriodicQueryResultStorage storage = getPeriodicQueryResultStorage(conf);
        fluo = FluoClientFactory.getFluoClient(conf.getFluoAppName(), Optional.of(conf.getFluoTableName()), conf);
        final NotificationCoordinatorExecutor coordinator = getCoordinator(conf.getCoordinatorThreads(), notifications);
        addRegisteredNotices(coordinator, fluo.newSnapshot());
        final KafkaExporterExecutor exporter = getExporter(conf.getExporterThreads(), kafkaProducerProps, bindingSets);
        final PeriodicQueryPrunerExecutor pruner = getPruner(storage, fluo, conf.getPrunerThreads(), bins);
        final NotificationProcessorExecutor processor = getProcessor(storage, notifications, bins, bindingSets, conf.getProcessorThreads());
        final KafkaNotificationProvider provider = getProvider(conf.getProducerThreads(), conf.getNotificationTopic(), coordinator, kafkaConsumerProps);
        return PeriodicNotificationApplication.builder().setCoordinator(coordinator).setProvider(provider).setExporter(exporter).setProcessor(processor).setPruner(pruner).build();
    } catch (AccumuloException | AccumuloSecurityException e) {
        throw new PeriodicApplicationException(e.getMessage());
    }
}

Example 3 with TimestampedNotification

use of org.apache.rya.periodic.notification.notification.TimestampedNotification in project incubator-rya by apache.

the class PeriodicNotificationProviderIT method testProvider.

@Test
public void testProvider() throws MalformedQueryException, InterruptedException, UnsupportedQueryException {
    String sparql = // n
    "prefix function: <http://org.apache.rya/function#> " + // n
    "prefix time: <http://www.w3.org/2006/time#> " + // n
    "select ?id (count(?obs) as ?total) where {" + // n
    "Filter(function:periodic(?time, 1, .25, time:minutes)) " + // n
    "?obs <uri:hasTime> ?time. " + // n
    "?obs <uri:hasId> ?id } group by ?id";
    BlockingQueue<TimestampedNotification> notifications = new LinkedBlockingQueue<>();
    PeriodicNotificationCoordinatorExecutor coord = new PeriodicNotificationCoordinatorExecutor(2, notifications);
    PeriodicNotificationProvider provider = new PeriodicNotificationProvider();
    CreateFluoPcj pcj = new CreateFluoPcj();
    String id = null;
    try (FluoClient fluo = new FluoClientImpl(getFluoConfiguration())) {
        id = pcj.createPcj(FluoQueryUtils.createNewPcjId(), sparql, Sets.newHashSet(), fluo).getQueryId();
        provider.processRegisteredNotifications(coord, fluo.newSnapshot());
    }
    TimestampedNotification notification = notifications.take();
    Assert.assertEquals(5000, notification.getInitialDelay());
    Assert.assertEquals(15000, notification.getPeriod());
    Assert.assertEquals(TimeUnit.MILLISECONDS, notification.getTimeUnit());
    Assert.assertEquals(FluoQueryUtils.convertFluoQueryIdToPcjId(id), notification.getId());
}

Example 4 with TimestampedNotification

use of org.apache.rya.periodic.notification.notification.TimestampedNotification in project incubator-rya by apache.

the class PeriodicCommandNotificationConsumerIT method kafkaNotificationMillisProviderTest.

@Test
public void kafkaNotificationMillisProviderTest() throws InterruptedException {
    BasicConfigurator.configure();
    final BlockingQueue<TimestampedNotification> notifications = new LinkedBlockingQueue<>();
    final Properties props = createKafkaConfig();
    final KafkaProducer<String, CommandNotification> producer = new KafkaProducer<>(props);
    final String topic = rule.getKafkaTopicName();
    rule.createTopic(topic);
    registration = new KafkaNotificationRegistrationClient(topic, producer);
    coord = new PeriodicNotificationCoordinatorExecutor(1, notifications);
    provider = new KafkaNotificationProvider(topic, new StringDeserializer(), new CommandNotificationSerializer(), props, coord, 1);
    provider.start();
    registration.addNotification("1", 1000, 0, TimeUnit.MILLISECONDS);
    Thread.sleep(4000);
    // check that notifications are being added to the blocking queue
    Assert.assertEquals(true, notifications.size() > 0);
    registration.deleteNotification("1");
    Thread.sleep(2000);
    final int size = notifications.size();
    // sleep for 2 seconds to ensure no more messages being produced
    Thread.sleep(2000);
    Assert.assertEquals(size, notifications.size());
    tearDown();
}

Example 5 with TimestampedNotification

use of org.apache.rya.periodic.notification.notification.TimestampedNotification in project incubator-rya by apache.

the class PeriodicCommandNotificationConsumerIT method kafkaNotificationProviderTest.

@Test
public void kafkaNotificationProviderTest() throws InterruptedException {
    BasicConfigurator.configure();
    final BlockingQueue<TimestampedNotification> notifications = new LinkedBlockingQueue<>();
    final Properties props = createKafkaConfig();
    final KafkaProducer<String, CommandNotification> producer = new KafkaProducer<>(props);
    final String topic = rule.getKafkaTopicName();
    rule.createTopic(topic);
    registration = new KafkaNotificationRegistrationClient(topic, producer);
    coord = new PeriodicNotificationCoordinatorExecutor(1, notifications);
    provider = new KafkaNotificationProvider(topic, new StringDeserializer(), new CommandNotificationSerializer(), props, coord, 1);
    provider.start();
    registration.addNotification("1", 1, 0, TimeUnit.SECONDS);
    Thread.sleep(4000);
    // check that notifications are being added to the blocking queue
    Assert.assertEquals(true, notifications.size() > 0);
    registration.deleteNotification("1");
    Thread.sleep(2000);
    final int size = notifications.size();
    // sleep for 2 seconds to ensure no more messages being produced
    Thread.sleep(2000);
    Assert.assertEquals(size, notifications.size());
    tearDown();
}