Examples with StringDeserializer org.apache.kafka.common.serialization.StringDeserializer used on opensource projects

Example 21 with StringDeserializer

use of org.apache.kafka.common.serialization.StringDeserializer in project incubator-rya by apache.

the class PeriodicNotificationApplicationIT method periodicApplicationWithAggTest.

@Test
public void periodicApplicationWithAggTest() throws Exception {
    final String sparql = // n
    "prefix function: <http://org.apache.rya/function#> " + // n
    "prefix time: <http://www.w3.org/2006/time#> " + // n
    "select (count(?obs) as ?total) where {" + // n
    "Filter(function:periodic(?time, 1, .25, time:minutes)) " + // n
    "?obs <uri:hasTime> ?time. " + // n
    "?obs <uri:hasId> ?id } ";
    // make data
    final int periodMult = 15;
    final ValueFactory vf = new ValueFactoryImpl();
    final DatatypeFactory dtf = DatatypeFactory.newInstance();
    // results more predictable
    while (System.currentTimeMillis() % (periodMult * 1000) > 500) {
        ;
    }
    final ZonedDateTime time = ZonedDateTime.now();
    final ZonedDateTime zTime1 = time.minusSeconds(2 * periodMult);
    final String time1 = zTime1.format(DateTimeFormatter.ISO_INSTANT);
    final ZonedDateTime zTime2 = zTime1.minusSeconds(periodMult);
    final String time2 = zTime2.format(DateTimeFormatter.ISO_INSTANT);
    final ZonedDateTime zTime3 = zTime2.minusSeconds(periodMult);
    final String time3 = zTime3.format(DateTimeFormatter.ISO_INSTANT);
    final Collection<Statement> statements = Sets.newHashSet(vf.createStatement(vf.createURI("urn:obs_1"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time1))), vf.createStatement(vf.createURI("urn:obs_1"), vf.createURI("uri:hasId"), vf.createLiteral("id_1")), vf.createStatement(vf.createURI("urn:obs_2"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time2))), vf.createStatement(vf.createURI("urn:obs_2"), vf.createURI("uri:hasId"), vf.createLiteral("id_2")), vf.createStatement(vf.createURI("urn:obs_3"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time3))), vf.createStatement(vf.createURI("urn:obs_3"), vf.createURI("uri:hasId"), vf.createLiteral("id_3")));
    try (FluoClient fluo = FluoClientFactory.getFluoClient(conf.getFluoAppName(), Optional.of(conf.getFluoTableName()), conf)) {
        final Connector connector = ConfigUtils.getConnector(conf);
        final PeriodicQueryResultStorage storage = new AccumuloPeriodicQueryResultStorage(connector, conf.getTablePrefix());
        final CreatePeriodicQuery periodicQuery = new CreatePeriodicQuery(fluo, storage);
        final String id = FluoQueryUtils.convertFluoQueryIdToPcjId(periodicQuery.createPeriodicQuery(sparql, registrar).getQueryId());
        addData(statements);
        app.start();
        final Multimap<Long, BindingSet> expected = HashMultimap.create();
        try (KafkaConsumer<String, BindingSet> consumer = new KafkaConsumer<>(kafkaProps, new StringDeserializer(), new BindingSetSerDe())) {
            consumer.subscribe(Arrays.asList(id));
            final long end = System.currentTimeMillis() + 4 * periodMult * 1000;
            long lastBinId = 0L;
            long binId = 0L;
            final List<Long> ids = new ArrayList<>();
            while (System.currentTimeMillis() < end) {
                final ConsumerRecords<String, BindingSet> records = consumer.poll(periodMult * 1000);
                for (final ConsumerRecord<String, BindingSet> record : records) {
                    final BindingSet result = record.value();
                    binId = Long.parseLong(result.getBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID).getValue().stringValue());
                    if (lastBinId != binId) {
                        lastBinId = binId;
                        ids.add(binId);
                    }
                    expected.put(binId, result);
                }
            }
            Assert.assertEquals(3, expected.asMap().size());
            int i = 0;
            for (final Long ident : ids) {
                Assert.assertEquals(1, expected.get(ident).size());
                final BindingSet bs = expected.get(ident).iterator().next();
                final Value val = bs.getValue("total");
                final int total = Integer.parseInt(val.stringValue());
                Assert.assertEquals(3 - i, total);
                i++;
            }
        }
        final Set<BindingSet> expectedResults = new HashSet<>();
        try (CloseableIterator<BindingSet> results = storage.listResults(id, Optional.empty())) {
            results.forEachRemaining(x -> expectedResults.add(x));
            Assert.assertEquals(0, expectedResults.size());
        }
    }
}

Example 22 with StringDeserializer

use of org.apache.kafka.common.serialization.StringDeserializer in project incubator-rya by apache.

the class PeriodicNotificationApplicationIT method periodicApplicationTest.

@Test
public void periodicApplicationTest() throws Exception {
    final String sparql = // n
    "prefix function: <http://org.apache.rya/function#> " + // n
    "prefix time: <http://www.w3.org/2006/time#> " + // n
    "select ?obs ?id where {" + // n
    "Filter(function:periodic(?time, 1, .25, time:minutes)) " + // n
    "?obs <uri:hasTime> ?time. " + // n
    "?obs <uri:hasId> ?id } ";
    // make data
    final int periodMult = 15;
    final ValueFactory vf = new ValueFactoryImpl();
    final DatatypeFactory dtf = DatatypeFactory.newInstance();
    // results more predictable
    while (System.currentTimeMillis() % (periodMult * 1000) > 500) {
        ;
    }
    final ZonedDateTime time = ZonedDateTime.now();
    final ZonedDateTime zTime1 = time.minusSeconds(2 * periodMult);
    final String time1 = zTime1.format(DateTimeFormatter.ISO_INSTANT);
    final ZonedDateTime zTime2 = zTime1.minusSeconds(periodMult);
    final String time2 = zTime2.format(DateTimeFormatter.ISO_INSTANT);
    final ZonedDateTime zTime3 = zTime2.minusSeconds(periodMult);
    final String time3 = zTime3.format(DateTimeFormatter.ISO_INSTANT);
    final Collection<Statement> statements = Sets.newHashSet(vf.createStatement(vf.createURI("urn:obs_1"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time1))), vf.createStatement(vf.createURI("urn:obs_1"), vf.createURI("uri:hasId"), vf.createLiteral("id_1")), vf.createStatement(vf.createURI("urn:obs_2"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time2))), vf.createStatement(vf.createURI("urn:obs_2"), vf.createURI("uri:hasId"), vf.createLiteral("id_2")), vf.createStatement(vf.createURI("urn:obs_3"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time3))), vf.createStatement(vf.createURI("urn:obs_3"), vf.createURI("uri:hasId"), vf.createLiteral("id_3")));
    try (FluoClient fluo = FluoClientFactory.getFluoClient(conf.getFluoAppName(), Optional.of(conf.getFluoTableName()), conf)) {
        final Connector connector = ConfigUtils.getConnector(conf);
        final PeriodicQueryResultStorage storage = new AccumuloPeriodicQueryResultStorage(connector, conf.getTablePrefix());
        final CreatePeriodicQuery periodicQuery = new CreatePeriodicQuery(fluo, storage);
        final String id = FluoQueryUtils.convertFluoQueryIdToPcjId(periodicQuery.createPeriodicQuery(sparql, registrar).getQueryId());
        addData(statements);
        app.start();
        final Multimap<Long, BindingSet> expected = HashMultimap.create();
        try (KafkaConsumer<String, BindingSet> consumer = new KafkaConsumer<>(kafkaProps, new StringDeserializer(), new BindingSetSerDe())) {
            consumer.subscribe(Arrays.asList(id));
            final long end = System.currentTimeMillis() + 4 * periodMult * 1000;
            long lastBinId = 0L;
            long binId = 0L;
            final List<Long> ids = new ArrayList<>();
            while (System.currentTimeMillis() < end) {
                final ConsumerRecords<String, BindingSet> records = consumer.poll(periodMult * 1000);
                for (final ConsumerRecord<String, BindingSet> record : records) {
                    final BindingSet result = record.value();
                    binId = Long.parseLong(result.getBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID).getValue().stringValue());
                    if (lastBinId != binId) {
                        lastBinId = binId;
                        ids.add(binId);
                    }
                    expected.put(binId, result);
                }
            }
            Assert.assertEquals(3, expected.asMap().size());
            int i = 0;
            for (final Long ident : ids) {
                Assert.assertEquals(3 - i, expected.get(ident).size());
                i++;
            }
        }
        final Set<BindingSet> expectedResults = new HashSet<>();
        try (CloseableIterator<BindingSet> results = storage.listResults(id, Optional.empty())) {
            results.forEachRemaining(x -> expectedResults.add(x));
            Assert.assertEquals(0, expectedResults.size());
        }
    }
}

Example 23 with StringDeserializer

use of org.apache.kafka.common.serialization.StringDeserializer in project incubator-rya by apache.

the class PeriodicNotificationApplicationIT method periodicApplicationWithAggAndGroupByTest.

@Test
public void periodicApplicationWithAggAndGroupByTest() throws Exception {
    final String sparql = // n
    "prefix function: <http://org.apache.rya/function#> " + // n
    "prefix time: <http://www.w3.org/2006/time#> " + // n
    "select ?type (count(?obs) as ?total) where {" + // n
    "Filter(function:periodic(?time, 1, .25, time:minutes)) " + // n
    "?obs <uri:hasTime> ?time. " + // n
    "?obs <uri:hasObsType> ?type } group by ?type";
    // make data
    final int periodMult = 15;
    final ValueFactory vf = new ValueFactoryImpl();
    final DatatypeFactory dtf = DatatypeFactory.newInstance();
    // results more predictable
    while (System.currentTimeMillis() % (periodMult * 1000) > 500) {
        ;
    }
    final ZonedDateTime time = ZonedDateTime.now();
    final ZonedDateTime zTime1 = time.minusSeconds(2 * periodMult);
    final String time1 = zTime1.format(DateTimeFormatter.ISO_INSTANT);
    final ZonedDateTime zTime2 = zTime1.minusSeconds(periodMult);
    final String time2 = zTime2.format(DateTimeFormatter.ISO_INSTANT);
    final ZonedDateTime zTime3 = zTime2.minusSeconds(periodMult);
    final String time3 = zTime3.format(DateTimeFormatter.ISO_INSTANT);
    final Collection<Statement> statements = Sets.newHashSet(vf.createStatement(vf.createURI("urn:obs_1"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time1))), vf.createStatement(vf.createURI("urn:obs_1"), vf.createURI("uri:hasObsType"), vf.createLiteral("ship")), vf.createStatement(vf.createURI("urn:obs_2"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time1))), vf.createStatement(vf.createURI("urn:obs_2"), vf.createURI("uri:hasObsType"), vf.createLiteral("airplane")), vf.createStatement(vf.createURI("urn:obs_3"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time2))), vf.createStatement(vf.createURI("urn:obs_3"), vf.createURI("uri:hasObsType"), vf.createLiteral("ship")), vf.createStatement(vf.createURI("urn:obs_4"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time2))), vf.createStatement(vf.createURI("urn:obs_4"), vf.createURI("uri:hasObsType"), vf.createLiteral("airplane")), vf.createStatement(vf.createURI("urn:obs_5"), vf.createURI("uri:hasTime"), vf.createLiteral(dtf.newXMLGregorianCalendar(time3))), vf.createStatement(vf.createURI("urn:obs_5"), vf.createURI("uri:hasObsType"), vf.createLiteral("automobile")));
    try (FluoClient fluo = FluoClientFactory.getFluoClient(conf.getFluoAppName(), Optional.of(conf.getFluoTableName()), conf)) {
        final Connector connector = ConfigUtils.getConnector(conf);
        final PeriodicQueryResultStorage storage = new AccumuloPeriodicQueryResultStorage(connector, conf.getTablePrefix());
        final CreatePeriodicQuery periodicQuery = new CreatePeriodicQuery(fluo, storage);
        final String id = FluoQueryUtils.convertFluoQueryIdToPcjId(periodicQuery.createPeriodicQuery(sparql, registrar).getQueryId());
        addData(statements);
        app.start();
        final Multimap<Long, BindingSet> actual = HashMultimap.create();
        try (KafkaConsumer<String, BindingSet> consumer = new KafkaConsumer<>(kafkaProps, new StringDeserializer(), new BindingSetSerDe())) {
            consumer.subscribe(Arrays.asList(id));
            final long end = System.currentTimeMillis() + 4 * periodMult * 1000;
            long lastBinId = 0L;
            long binId = 0L;
            final List<Long> ids = new ArrayList<>();
            while (System.currentTimeMillis() < end) {
                final ConsumerRecords<String, BindingSet> records = consumer.poll(periodMult * 1000);
                for (final ConsumerRecord<String, BindingSet> record : records) {
                    final BindingSet result = record.value();
                    binId = Long.parseLong(result.getBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID).getValue().stringValue());
                    if (lastBinId != binId) {
                        lastBinId = binId;
                        ids.add(binId);
                    }
                    actual.put(binId, result);
                }
            }
            final Map<Long, Set<BindingSet>> expected = new HashMap<>();
            final Set<BindingSet> expected1 = new HashSet<>();
            final QueryBindingSet bs1 = new QueryBindingSet();
            bs1.addBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID, vf.createLiteral(ids.get(0)));
            bs1.addBinding("total", new LiteralImpl("2", XMLSchema.INTEGER));
            bs1.addBinding("type", vf.createLiteral("airplane"));
            final QueryBindingSet bs2 = new QueryBindingSet();
            bs2.addBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID, vf.createLiteral(ids.get(0)));
            bs2.addBinding("total", new LiteralImpl("2", XMLSchema.INTEGER));
            bs2.addBinding("type", vf.createLiteral("ship"));
            final QueryBindingSet bs3 = new QueryBindingSet();
            bs3.addBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID, vf.createLiteral(ids.get(0)));
            bs3.addBinding("total", new LiteralImpl("1", XMLSchema.INTEGER));
            bs3.addBinding("type", vf.createLiteral("automobile"));
            expected1.add(bs1);
            expected1.add(bs2);
            expected1.add(bs3);
            final Set<BindingSet> expected2 = new HashSet<>();
            final QueryBindingSet bs4 = new QueryBindingSet();
            bs4.addBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID, vf.createLiteral(ids.get(1)));
            bs4.addBinding("total", new LiteralImpl("2", XMLSchema.INTEGER));
            bs4.addBinding("type", vf.createLiteral("airplane"));
            final QueryBindingSet bs5 = new QueryBindingSet();
            bs5.addBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID, vf.createLiteral(ids.get(1)));
            bs5.addBinding("total", new LiteralImpl("2", XMLSchema.INTEGER));
            bs5.addBinding("type", vf.createLiteral("ship"));
            expected2.add(bs4);
            expected2.add(bs5);
            final Set<BindingSet> expected3 = new HashSet<>();
            final QueryBindingSet bs6 = new QueryBindingSet();
            bs6.addBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID, vf.createLiteral(ids.get(2)));
            bs6.addBinding("total", new LiteralImpl("1", XMLSchema.INTEGER));
            bs6.addBinding("type", vf.createLiteral("ship"));
            final QueryBindingSet bs7 = new QueryBindingSet();
            bs7.addBinding(IncrementalUpdateConstants.PERIODIC_BIN_ID, vf.createLiteral(ids.get(2)));
            bs7.addBinding("total", new LiteralImpl("1", XMLSchema.INTEGER));
            bs7.addBinding("type", vf.createLiteral("airplane"));
            expected3.add(bs6);
            expected3.add(bs7);
            expected.put(ids.get(0), expected1);
            expected.put(ids.get(1), expected2);
            expected.put(ids.get(2), expected3);
            Assert.assertEquals(3, actual.asMap().size());
            for (final Long ident : ids) {
                Assert.assertEquals(expected.get(ident), actual.get(ident));
            }
        }
        final Set<BindingSet> expectedResults = new HashSet<>();
        try (CloseableIterator<BindingSet> results = storage.listResults(id, Optional.empty())) {
            results.forEachRemaining(x -> expectedResults.add(x));
            Assert.assertEquals(0, expectedResults.size());
        }
    }
}

Example 24 with StringDeserializer

use of org.apache.kafka.common.serialization.StringDeserializer in project incubator-rya by apache.

the class KafkaLatencyBenchmark method updateStatsFromKafka.

private void updateStatsFromKafka(final String topic) {
    try (KafkaConsumer<String, VisibilityBindingSet> consumer = new KafkaConsumer<>(options.getKafkaConsumerProperties(), new StringDeserializer(), new KryoVisibilityBindingSetSerializer())) {
        consumer.subscribe(Arrays.asList(topic));
        while (!futureList.isEmpty()) {
            // check kafka at most twice a second.
            final ConsumerRecords<String, VisibilityBindingSet> records = consumer.poll(500);
            handle(records);
        }
    } catch (final Exception e) {
        logger.warn("Exception occurred", e);
    }
}

Example 25 with StringDeserializer

use of org.apache.kafka.common.serialization.StringDeserializer in project incubator-rya by apache.

the class KafkaLatencyBenchmark method updatePeriodicStatsFromKafka.

private void updatePeriodicStatsFromKafka(final String topic) {
    try (KafkaConsumer<String, BindingSet> consumer = new KafkaConsumer<>(options.getKafkaConsumerProperties(), new StringDeserializer(), new BindingSetSerDe())) {
        consumer.subscribe(Arrays.asList(topic));
        while (!futureList.isEmpty()) {
            // check kafka at most twice a second.
            final ConsumerRecords<String, BindingSet> records = consumer.poll(500);
            handle(records);
        }
    } catch (final Exception e) {
        logger.warn("Exception occurred", e);
    }
}