Examples with ValueFactory org.openrdf.model.ValueFactory used on opensource projects

Example 6 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class AccumuloTemporalIndexerTest method testStoreStatementWithInterestingLiterals.

@Test
public void testStoreStatementWithInterestingLiterals() throws Exception {
    ValueFactory vf = new ValueFactoryImpl();
    URI pred1_atTime = vf.createURI(URI_PROPERTY_AT_TIME);
    tIndexer.storeStatement(convertStatement(new StatementImpl(vf.createURI("foo:subj2"), pred1_atTime, vf.createLiteral("A number of organizations located, gathered, or classed together. [Derived from Concise Oxford English Dictionary, 11th Edition, 2008]"))));
    int rowsStoredActual = printTables("junit testing: Temporal entities stored in testStoreStatement", null, null);
    // 4 index entries per statement
    Assert.assertEquals("Number of rows stored.", 0, rowsStoredActual);
}

Example 7 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class VisibilityStatementSerdeTest method serializeAndDeserialize.

@Test
public void serializeAndDeserialize() {
    // Create the object that will be serialized.
    final ValueFactory vf = new ValueFactoryImpl();
    final Statement statement = vf.createStatement(vf.createURI("urn:person1"), vf.createURI("urn:hasName"), vf.createLiteral("alice"), vf.createURI("urn:testContext"));
    final VisibilityStatement original = new VisibilityStatement(statement, "a|b|c");
    // Serialize it.
    try (final Serde<VisibilityStatement> serde = new VisibilityStatementSerde()) {
        final byte[] bytes = serde.serializer().serialize("topic", original);
        // Deserialize it.
        final VisibilityStatement deserialized = serde.deserializer().deserialize("topic", bytes);
        // Show the deserialized value matches the original.
        assertEquals(original, deserialized);
    }
}

Example 8 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class KafkaGetQueryResultStreamIT method fromStart_visibilityStatements.

@Test
public void fromStart_visibilityStatements() throws Exception {
    // Create an ID for the query.
    final String ryaInstance = UUID.randomUUID().toString();
    final UUID queryId = UUID.randomUUID();
    // Create some statements that will be written to the result topic.
    final List<VisibilityStatement> original = new ArrayList<>();
    final ValueFactory vf = new ValueFactoryImpl();
    original.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob")), "a"));
    original.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:age"), vf.createLiteral(63)), "b"));
    original.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:age"), vf.createLiteral("urn:34")), ""));
    // Write the entries to the query result topic in Kafka.
    try (final Producer<?, VisibilityStatement> producer = KafkaTestUtil.makeProducer(kafka, StringSerializer.class, VisibilityStatementSerializer.class)) {
        final String resultTopic = KafkaTopics.queryResultsTopic(ryaInstance, queryId);
        for (final VisibilityStatement visStmt : original) {
            producer.send(new ProducerRecord<>(resultTopic, visStmt));
        }
    }
    // Use the interactor that is being tested to read all of the visibility binding sets.
    final GetQueryResultStream<VisibilityStatement> interactor = new KafkaGetQueryResultStream<>(kafka.getKafkaHostname(), kafka.getKafkaPort(), VisibilityStatementDeserializer.class);
    final List<VisibilityStatement> read = pollForResults(500, 3, 3, interactor.fromStart(ryaInstance, queryId));
    // Show the fetched binding sets match the original, as well as their order.
    assertEquals(original, read);
}

Example 9 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class KafkaGetQueryResultStreamIT method fromNow.

@Test
public void fromNow() throws Exception {
    // Create an ID for the query.
    final String ryaInstance = UUID.randomUUID().toString();
    final UUID queryId = UUID.randomUUID();
    try (final Producer<?, VisibilityBindingSet> producer = KafkaTestUtil.makeProducer(kafka, StringSerializer.class, VisibilityBindingSetSerializer.class)) {
        final String resultTopic = KafkaTopics.queryResultsTopic(ryaInstance, queryId);
        // Write a single visibility binding set to the query's result topic. This will not appear in the expected results.
        final ValueFactory vf = new ValueFactoryImpl();
        MapBindingSet bs = new MapBindingSet();
        bs.addBinding("urn:name", vf.createLiteral("Alice"));
        producer.send(new ProducerRecord<>(resultTopic, new VisibilityBindingSet(bs, "a|b|c")));
        producer.flush();
        // Use the interactor that is being tested to read all of the visibility binding sets that appear after this point.
        final GetQueryResultStream<VisibilityBindingSet> interactor = new KafkaGetQueryResultStream<>(kafka.getKafkaHostname(), kafka.getKafkaPort(), VisibilityBindingSetDeserializer.class);
        try (QueryResultStream<VisibilityBindingSet> results = interactor.fromNow(ryaInstance, queryId)) {
            // Read results from the stream.
            List<VisibilityBindingSet> read = new ArrayList<>();
            for (final VisibilityBindingSet visBs : results.poll(500)) {
                read.add(visBs);
            }
            // Show nothing has been read.
            assertTrue(read.isEmpty());
            // Write two more entries to the result topic. These will be seen by the result stream.
            final List<VisibilityBindingSet> original = new ArrayList<>();
            bs = new MapBindingSet();
            bs.addBinding("urn:name", vf.createLiteral("Bob"));
            original.add(new VisibilityBindingSet(bs, "a"));
            bs = new MapBindingSet();
            bs.addBinding("urn:name", vf.createLiteral("Charlie"));
            original.add(new VisibilityBindingSet(bs, "b|c"));
            for (final VisibilityBindingSet visBs : original) {
                producer.send(new ProducerRecord<>(resultTopic, visBs));
            }
            producer.flush();
            // Read the results from the result stream.
            read = pollForResults(500, 3, 2, results);
            // Show the new entries were read.
            assertEquals(original, read);
        }
    }
}

Example 10 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class KafkaRunQueryIT method runQuery.

@Test
public void runQuery() throws Exception {
    // Setup some constant that will be used through the test.
    final String ryaInstance = UUID.randomUUID().toString();
    final String statementsTopic = KafkaTopics.statementsTopic(ryaInstance);
    // This query is completely in memory, so it doesn't need to be closed.
    final QueryRepository queries = new InMemoryQueryRepository(new InMemoryQueryChangeLog(), Scheduler.newFixedRateSchedule(0L, 5, TimeUnit.SECONDS));
    // Add the query to the query repository.
    final StreamsQuery sQuery = queries.add("SELECT * WHERE { ?person <urn:worksAt> ?business . }", true, false);
    final UUID queryId = sQuery.getQueryId();
    final String resultsTopic = KafkaTopics.queryResultsTopic(ryaInstance, queryId);
    // The thread that will run the tested interactor.
    final Thread testThread = new Thread() {

        @Override
        public void run() {
            final RunQuery runQuery = new KafkaRunQuery(kafka.getKafkaHostname(), kafka.getKafkaPort(), statementsTopic, resultsTopic, queries, new TopologyFactory());
            try {
                runQuery.run(queryId);
            } catch (final RyaStreamsException e) {
            // Do nothing. Test will still fail because the expected results will be missing.
            }
        }
    };
    // Create the topics.
    kafka.createTopic(statementsTopic);
    kafka.createTopic(resultsTopic);
    // Create the statements that will be loaded.
    final ValueFactory vf = new ValueFactoryImpl();
    final List<VisibilityStatement> statements = new ArrayList<>();
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:worksAt"), vf.createURI("urn:BurgerJoint")), "a"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:worksAt"), vf.createURI("urn:TacoShop")), "a"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:worksAt"), vf.createURI("urn:TacoShop")), "a"));
    // Create the expected results.
    final List<VisibilityBindingSet> expected = new ArrayList<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Alice"));
    bs.addBinding("business", vf.createURI("urn:BurgerJoint"));
    expected.add(new VisibilityBindingSet(bs, "a"));
    bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Bob"));
    bs.addBinding("business", vf.createURI("urn:TacoShop"));
    expected.add(new VisibilityBindingSet(bs, "a"));
    bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Charlie"));
    bs.addBinding("business", vf.createURI("urn:TacoShop"));
    expected.add(new VisibilityBindingSet(bs, "a"));
    // Execute the test. This will result in a set of results that were read from the results topic.
    final List<VisibilityBindingSet> results;
    try {
        // Wait for the program to start.
        testThread.start();
        Thread.sleep(2000);
        // Write some statements to the program.
        final LoadStatements loadStatements = new KafkaLoadStatements(statementsTopic, producer);
        loadStatements.fromCollection(statements);
        // Read the output of the streams program.
        consumer.subscribe(Lists.newArrayList(resultsTopic));
        results = KafkaTestUtil.pollForResults(500, 6, 3, consumer);
    } finally {
        // Tear down the test.
        testThread.interrupt();
        testThread.join(3000);
    }
    // Show the read results matched the expected ones.
    assertEquals(expected, results);
}