Examples with TopologyBuilder org.apache.kafka.streams.processor.TopologyBuilder used on opensource projects

Example 11 with TopologyBuilder

use of org.apache.kafka.streams.processor.TopologyBuilder in project incubator-rya by apache.

the class AggregationProcessorIT method max.

@Test
public void max() throws Exception {
    // A query that figures out what the oldest age is across all people.
    final String sparql = "SELECT (max(?age) as ?oldest) " + "WHERE { " + "?person <urn:age> ?age " + "}";
    // Create the statements that will be input into the query..
    final ValueFactory vf = new ValueFactoryImpl();
    final List<VisibilityStatement> statements = new ArrayList<>();
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:age"), vf.createLiteral(13)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:age"), vf.createLiteral(14)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:age"), vf.createLiteral(7)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:David"), vf.createURI("urn:age"), vf.createLiteral(5)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Eve"), vf.createURI("urn:age"), vf.createLiteral(25)), ""));
    // Make the expected results.
    final Set<VisibilityBindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("oldest", vf.createLiteral(13));
    expected.add(new VisibilityBindingSet(bs, ""));
    bs = new MapBindingSet();
    bs.addBinding("oldest", vf.createLiteral(14));
    expected.add(new VisibilityBindingSet(bs, ""));
    bs = new MapBindingSet();
    bs.addBinding("oldest", vf.createLiteral(25));
    expected.add(new VisibilityBindingSet(bs, ""));
    // 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 TopologyBuilder builder = new TopologyFactory().build(sparql, statementsTopic, resultsTopic, new RandomUUIDFactory());
    // Run the test.
    RyaStreamsTestUtil.runStreamProcessingTest(kafka, statementsTopic, resultsTopic, builder, statements, expected, VisibilityBindingSetDeserializer.class);
}

Example 12 with TopologyBuilder

use of org.apache.kafka.streams.processor.TopologyBuilder in project incubator-rya by apache.

the class AggregationProcessorIT method min.

@Test
public void min() throws Exception {
    // A query that figures out what the youngest age is across all people.
    final String sparql = "SELECT (min(?age) as ?youngest) " + "WHERE { " + "?person <urn:age> ?age " + "}";
    // Create the statements that will be input into the query..
    final ValueFactory vf = new ValueFactoryImpl();
    final List<VisibilityStatement> statements = new ArrayList<>();
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:age"), vf.createLiteral(13)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:age"), vf.createLiteral(14)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:age"), vf.createLiteral(7)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:David"), vf.createURI("urn:age"), vf.createLiteral(5)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Eve"), vf.createURI("urn:age"), vf.createLiteral(25)), ""));
    // Make the expected results.
    final Set<VisibilityBindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("youngest", vf.createLiteral(13));
    expected.add(new VisibilityBindingSet(bs, ""));
    bs = new MapBindingSet();
    bs.addBinding("youngest", vf.createLiteral(7));
    expected.add(new VisibilityBindingSet(bs, ""));
    bs = new MapBindingSet();
    bs.addBinding("youngest", vf.createLiteral(5));
    expected.add(new VisibilityBindingSet(bs, ""));
    // 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 TopologyBuilder builder = new TopologyFactory().build(sparql, statementsTopic, resultsTopic, new RandomUUIDFactory());
    // Run the test.
    RyaStreamsTestUtil.runStreamProcessingTest(kafka, statementsTopic, resultsTopic, builder, statements, expected, VisibilityBindingSetDeserializer.class);
}

Example 13 with TopologyBuilder

use of org.apache.kafka.streams.processor.TopologyBuilder in project incubator-rya by apache.

the class AggregationProcessorIT method multipleGroupByVars.

@Test
public void multipleGroupByVars() throws Exception {
    // A query that contains more than one group by variable.
    final String sparql = "SELECT ?business ?employee (sum(?hours) AS ?totalHours) " + "WHERE {" + "?employee <urn:worksAt> ?business . " + "?business <urn:hasTimecardId> ?timecardId . " + "?employee <urn:hasTimecardId> ?timecardId . " + "?timecardId <urn:hours> ?hours . " + "} GROUP BY ?business ?employee";
    // Create the statements that will be input into the query.
    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:TacoJoint")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:TacoJoint"), vf.createURI("urn:hasTimecardId"), vf.createURI("urn:timecard1")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:hasTimecardId"), vf.createURI("urn:timecard1")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:timecard1"), vf.createURI("urn:hours"), vf.createLiteral(40)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:TacoJoint"), vf.createURI("urn:hasTimecardId"), vf.createURI("urn:timecard2")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:hasTimecardId"), vf.createURI("urn:timecard2")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:timecard2"), vf.createURI("urn:hours"), vf.createLiteral(25)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:worksAt"), vf.createURI("urn:TacoJoint")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:TacoJoint"), vf.createURI("urn:hasTimecardId"), vf.createURI("urn:timecard3")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:hasTimecardId"), vf.createURI("urn:timecard3")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:timecard3"), vf.createURI("urn:hours"), vf.createLiteral(28)), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:worksAt"), vf.createURI("urn:CoffeeShop")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:CoffeeShop"), vf.createURI("urn:hasTimecardId"), vf.createURI("urn:timecard5")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:hasTimecardId"), vf.createURI("urn:timecard5")), ""));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:timecard5"), vf.createURI("urn:hours"), vf.createLiteral(12)), ""));
    // Make the expected results.
    final Set<VisibilityBindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("business", vf.createURI("urn:TacoJoint"));
    bs.addBinding("employee", vf.createURI("urn:Alice"));
    bs.addBinding("totalHours", vf.createLiteral("40", XMLSchema.INTEGER));
    expected.add(new VisibilityBindingSet(bs, ""));
    bs = new MapBindingSet();
    bs.addBinding("business", vf.createURI("urn:TacoJoint"));
    bs.addBinding("employee", vf.createURI("urn:Alice"));
    bs.addBinding("totalHours", vf.createLiteral("65", XMLSchema.INTEGER));
    expected.add(new VisibilityBindingSet(bs, ""));
    bs = new MapBindingSet();
    bs.addBinding("business", vf.createURI("urn:TacoJoint"));
    bs.addBinding("employee", vf.createURI("urn:Bob"));
    bs.addBinding("totalHours", vf.createLiteral("28", XMLSchema.INTEGER));
    expected.add(new VisibilityBindingSet(bs, ""));
    bs = new MapBindingSet();
    bs.addBinding("business", vf.createURI("urn:CoffeeShop"));
    bs.addBinding("employee", vf.createURI("urn:Alice"));
    bs.addBinding("totalHours", vf.createLiteral("12", XMLSchema.INTEGER));
    expected.add(new VisibilityBindingSet(bs, ""));
    // 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 TopologyBuilder builder = new TopologyFactory().build(sparql, statementsTopic, resultsTopic, new RandomUUIDFactory());
    // Run the test.
    RyaStreamsTestUtil.runStreamProcessingTest(kafka, statementsTopic, resultsTopic, builder, statements, expected, VisibilityBindingSetDeserializer.class);
}

Example 14 with TopologyBuilder

use of org.apache.kafka.streams.processor.TopologyBuilder in project incubator-rya by apache.

the class JoinProcessorIT method newResultsBothSides.

@Test
public void newResultsBothSides() 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> ?employee ." + "?employee <urn:worksAt> ?business" + " }";
    final TopologyFactory factory = new TopologyFactory();
    final TopologyBuilder builder = factory.build(query, statementsTopic, resultsTopic, new RandomUUIDFactory());
    // Create some statements that generate a bunch of right SP results.
    final ValueFactory vf = new ValueFactoryImpl();
    final List<VisibilityStatement> statements = new ArrayList<>();
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:worksAt"), vf.createURI("urn:TacoPlace")), "a&b"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Alice"), vf.createURI("urn:talksTo"), vf.createURI("urn:Bob")), "c"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Charlie"), vf.createURI("urn:worksAt"), vf.createURI("urn:BurgerJoint")), "a"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Eve"), vf.createURI("urn:worksAt"), vf.createURI("urn:CoffeeShop")), "b"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:worksAt"), vf.createURI("urn:BurgerJoint")), "b|c"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:talksTo"), vf.createURI("urn:Charlie")), "c"));
    // Make the expected results.
    final Set<VisibilityBindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Alice"));
    bs.addBinding("employee", vf.createURI("urn:Bob"));
    bs.addBinding("business", vf.createURI("urn:TacoPlace"));
    expected.add(new VisibilityBindingSet(bs, "a&b&c"));
    bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Alice"));
    bs.addBinding("employee", vf.createURI("urn:Bob"));
    bs.addBinding("business", vf.createURI("urn:BurgerJoint"));
    expected.add(new VisibilityBindingSet(bs, "c&(b|c)"));
    bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Bob"));
    bs.addBinding("employee", vf.createURI("urn:Charlie"));
    bs.addBinding("business", vf.createURI("urn:BurgerJoint"));
    expected.add(new VisibilityBindingSet(bs, "a&c"));
    // Run the test.
    RyaStreamsTestUtil.runStreamProcessingTest(kafka, statementsTopic, resultsTopic, builder, statements, expected, VisibilityBindingSetDeserializer.class);
}

Example 15 with TopologyBuilder

use of org.apache.kafka.streams.processor.TopologyBuilder in project incubator-rya by apache.

the class JoinProcessorIT method manyJoins.

@Test
public void manyJoins() 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> ?employee ." + "?employee <urn:worksAt> ?business ." + "?employee <urn:hourlyWage> ?wage ." + " }";
    final TopologyFactory factory = new TopologyFactory();
    final TopologyBuilder builder = factory.build(query, statementsTopic, resultsTopic, new RandomUUIDFactory());
    // Create some statements that generate a bunch of right SP results.
    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"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:worksAt"), vf.createURI("urn:BurgerJoint")), "a"));
    statements.add(new VisibilityStatement(vf.createStatement(vf.createURI("urn:Bob"), vf.createURI("urn:hourlyWage"), vf.createLiteral(7.25)), "a"));
    // Make the expected results.
    final Set<VisibilityBindingSet> expected = new HashSet<>();
    final MapBindingSet bs = new MapBindingSet();
    bs.addBinding("person", vf.createURI("urn:Alice"));
    bs.addBinding("employee", vf.createURI("urn:Bob"));
    bs.addBinding("business", vf.createURI("urn:BurgerJoint"));
    bs.addBinding("wage", vf.createLiteral(7.25));
    expected.add(new VisibilityBindingSet(bs, "a"));
    // Run the test.
    RyaStreamsTestUtil.runStreamProcessingTest(kafka, statementsTopic, resultsTopic, builder, statements, expected, VisibilityBindingSetDeserializer.class);
}