Examples with TopologyFactory org.apache.rya.streams.kafka.topology.TopologyFactory used on opensource projects

Example 26 with TopologyFactory

use of org.apache.rya.streams.kafka.topology.TopologyFactory in project incubator-rya by apache.

the class StatementPatternProcessorIT method multiplePatterns_singleStatement.

@Test
public void multiplePatterns_singleStatement() throws Exception {
    // Enumerate some topics that will be re-used
    final String ryaInstance = UUID.randomUUID().toString();
    final UUID queryId = UUID.randomUUID();
    final String statementsTopic = KafkaTopics.statementsTopic(ryaInstance);
    final String resultsTopic = KafkaTopics.queryResultsTopic(ryaInstance, queryId);
    // Setup a topology.
    final String query = "SELECT * WHERE { " + "?person <urn:talksTo> ?otherPerson . " + "?person ?action <urn:Bob>" + "}";
    final TopologyFactory factory = new TopologyFactory();
    final TopologyBuilder builder = factory.build(query, statementsTopic, resultsTopic, new RandomUUIDFactory());
    // Create some statements where some generates SP results and others do not.
    final ValueFactory vf = new ValueFactoryImpl();
    final List<VisibilityStatement> statements = new ArrayList<>();
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob")), "a"));
    // Show the correct binding set results from the job.
    final Set<VisibilityBindingSet> expected = new HashSet<>();
    final QueryBindingSet bs = new QueryBindingSet();
    bs.addBinding("person", vf.createURI("urn:Alice"));
    bs.addBinding("action", vf.createURI("urn:talksTo"));
    bs.addBinding("otherPerson", vf.createURI("urn:Bob"));
    expected.add(new VisibilityBindingSet(bs, "a"));
    // Run the test.
    RyaStreamsTestUtil.runStreamProcessingTest(kafka, statementsTopic, resultsTopic, builder, statements, expected, VisibilityBindingSetDeserializer.class);
}