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Example 1 with ProcessorResult

use of org.apache.rya.streams.kafka.processors.ProcessorResult in project incubator-rya by apache.

the class MultiProjectionProcessorTest method showProjectionFunctionIsCalled.

@Test
public void showProjectionFunctionIsCalled() throws Exception {
    // The SPARQL that will define the projection.
    final MultiProjection multiProjection = RdfTestUtil.getMultiProjection("CONSTRUCT {" + "_:b a <urn:movementObservation> ; " + "<urn:location> ?location ; " + "<urn:direction> ?direction ; " + "}" + "WHERE {" + "?thing <urn:corner> ?location ." + "?thing <urn:compass> ?direction." + "}");
    // Create a Binding Set that contains the result of the WHERE clause.
    final ValueFactory vf = new ValueFactoryImpl();
    final MapBindingSet inputBs = new MapBindingSet();
    inputBs.addBinding("location", vf.createURI("urn:corner1"));
    inputBs.addBinding("direction", vf.createURI("urn:NW"));
    final VisibilityBindingSet inputVisBs = new VisibilityBindingSet(inputBs, "a|b");
    // Make the expected results.
    final Set<VisibilityBindingSet> expected = new HashSet<>();
    final String blankNodeId = UUID.randomUUID().toString();
    final BNode blankNode = vf.createBNode(blankNodeId);
    MapBindingSet expectedBs = new MapBindingSet();
    expectedBs.addBinding("subject", blankNode);
    expectedBs.addBinding("predicate", RDF.TYPE);
    expectedBs.addBinding("object", vf.createURI("urn:movementObservation"));
    expected.add(new VisibilityBindingSet(expectedBs, "a|b"));
    expectedBs = new MapBindingSet();
    expectedBs.addBinding("subject", blankNode);
    expectedBs.addBinding("predicate", vf.createURI("urn:direction"));
    expectedBs.addBinding("object", vf.createURI("urn:NW"));
    expected.add(new VisibilityBindingSet(expectedBs, "a|b"));
    expectedBs = new MapBindingSet();
    expectedBs.addBinding("subject", blankNode);
    expectedBs.addBinding("predicate", vf.createURI("urn:location"));
    expectedBs.addBinding("object", vf.createURI("urn:corner1"));
    expected.add(new VisibilityBindingSet(expectedBs, "a|b"));
    // Mock the processor context that will be invoked.
    final ProcessorContext context = mock(ProcessorContext.class);
    // Run the test.
    final MultiProjectionProcessor processor = new MultiProjectionProcessor(MultiProjectionEvaluator.make(multiProjection, () -> blankNodeId), result -> ProcessorResult.make(new UnaryResult(result)));
    processor.init(context);
    processor.process("key", ProcessorResult.make(new UnaryResult(inputVisBs)));
    final ArgumentCaptor<ProcessorResult> results = ArgumentCaptor.forClass(ProcessorResult.class);
    verify(context, times(3)).forward(any(), results.capture());
    final Set<VisibilityBindingSet> resultBindingSets = results.getAllValues().stream().map(result -> {
        return (result.getType() == ResultType.UNARY) ? result.getUnary().getResult() : result.getBinary().getResult();
    }).collect(Collectors.toSet());
    assertEquals(expected, resultBindingSets);
}
Also used : ValueFactoryImpl(org.openrdf.model.impl.ValueFactoryImpl) MapBindingSet(org.openrdf.query.impl.MapBindingSet) UnaryResult(org.apache.rya.streams.kafka.processors.ProcessorResult.UnaryResult) ResultType(org.apache.rya.streams.kafka.processors.ProcessorResult.ResultType) MultiProjectionProcessor(org.apache.rya.streams.kafka.processors.projection.MultiProjectionProcessorSupplier.MultiProjectionProcessor) HashSet(java.util.HashSet) ArgumentCaptor(org.mockito.ArgumentCaptor) VisibilityBindingSet(org.apache.rya.api.model.VisibilityBindingSet) RDF(org.openrdf.model.vocabulary.RDF) ProcessorResult(org.apache.rya.streams.kafka.processors.ProcessorResult) MultiProjection(org.openrdf.query.algebra.MultiProjection) ValueFactory(org.openrdf.model.ValueFactory) RdfTestUtil(org.apache.rya.streams.kafka.RdfTestUtil) Set(java.util.Set) Mockito.times(org.mockito.Mockito.times) Test(org.junit.Test) UUID(java.util.UUID) Collectors(java.util.stream.Collectors) BNode(org.openrdf.model.BNode) Mockito.verify(org.mockito.Mockito.verify) Matchers.any(org.mockito.Matchers.any) ProcessorContext(org.apache.kafka.streams.processor.ProcessorContext) MultiProjectionEvaluator(org.apache.rya.api.function.projection.MultiProjectionEvaluator) Assert.assertEquals(org.junit.Assert.assertEquals) Mockito.mock(org.mockito.Mockito.mock) VisibilityBindingSet(org.apache.rya.api.model.VisibilityBindingSet) BNode(org.openrdf.model.BNode) ProcessorResult(org.apache.rya.streams.kafka.processors.ProcessorResult) ValueFactoryImpl(org.openrdf.model.impl.ValueFactoryImpl) ValueFactory(org.openrdf.model.ValueFactory) ProcessorContext(org.apache.kafka.streams.processor.ProcessorContext) MultiProjectionProcessor(org.apache.rya.streams.kafka.processors.projection.MultiProjectionProcessorSupplier.MultiProjectionProcessor) UnaryResult(org.apache.rya.streams.kafka.processors.ProcessorResult.UnaryResult) MapBindingSet(org.openrdf.query.impl.MapBindingSet) MultiProjection(org.openrdf.query.algebra.MultiProjection) HashSet(java.util.HashSet) Test(org.junit.Test)

Example 2 with ProcessorResult

use of org.apache.rya.streams.kafka.processors.ProcessorResult in project incubator-rya by apache.

the class ProjectionProcessorTest method showProjectionFunctionIsCalled.

@Test
public void showProjectionFunctionIsCalled() throws Exception {
    // A query whose projection does not change anything.
    final Projection projection = RdfTestUtil.getProjection("SELECT (?person AS ?p) (?employee AS ?e) ?business " + "WHERE { " + "?person <urn:talksTo> ?employee . " + "?employee <urn:worksAt> ?business . " + "}");
    // Create a Binding Set that contains the result of the WHERE clause.
    final ValueFactory vf = new ValueFactoryImpl();
    final MapBindingSet inputBs = new MapBindingSet();
    inputBs.addBinding("person", vf.createURI("urn:Alice"));
    inputBs.addBinding("employee", vf.createURI("urn:Bob"));
    inputBs.addBinding("business", vf.createURI("urn:TacoJoint"));
    final VisibilityBindingSet inputVisBs = new VisibilityBindingSet(inputBs, "a");
    // The expected binding set changes the "person" binding name to "p" and "employee" to "e".
    final MapBindingSet expectedBs = new MapBindingSet();
    expectedBs.addBinding("p", vf.createURI("urn:Alice"));
    expectedBs.addBinding("e", vf.createURI("urn:Bob"));
    expectedBs.addBinding("business", vf.createURI("urn:TacoJoint"));
    final VisibilityBindingSet expectedVisBs = new VisibilityBindingSet(expectedBs, "a");
    // Show it resulted in the correct output BindingSet.
    final ProcessorContext context = mock(ProcessorContext.class);
    final ProjectionProcessor processor = new ProjectionProcessor(ProjectionEvaluator.make(projection), result -> ProcessorResult.make(new UnaryResult(result)));
    processor.init(context);
    processor.process("key", ProcessorResult.make(new UnaryResult(inputVisBs)));
    // Verify the expected binding set was emitted.
    final ProcessorResult expected = ProcessorResult.make(new UnaryResult(expectedVisBs));
    verify(context, times(1)).forward(eq("key"), eq(expected));
}
Also used : VisibilityBindingSet(org.apache.rya.api.model.VisibilityBindingSet) ProcessorResult(org.apache.rya.streams.kafka.processors.ProcessorResult) ValueFactoryImpl(org.openrdf.model.impl.ValueFactoryImpl) Projection(org.openrdf.query.algebra.Projection) UnaryResult(org.apache.rya.streams.kafka.processors.ProcessorResult.UnaryResult) ValueFactory(org.openrdf.model.ValueFactory) MapBindingSet(org.openrdf.query.impl.MapBindingSet) ProjectionProcessor(org.apache.rya.streams.kafka.processors.projection.ProjectionProcessorSupplier.ProjectionProcessor) ProcessorContext(org.apache.kafka.streams.processor.ProcessorContext) Test(org.junit.Test)

Aggregations

ProcessorContext (org.apache.kafka.streams.processor.ProcessorContext)2 VisibilityBindingSet (org.apache.rya.api.model.VisibilityBindingSet)2 ProcessorResult (org.apache.rya.streams.kafka.processors.ProcessorResult)2 UnaryResult (org.apache.rya.streams.kafka.processors.ProcessorResult.UnaryResult)2 Test (org.junit.Test)2 ValueFactory (org.openrdf.model.ValueFactory)2 ValueFactoryImpl (org.openrdf.model.impl.ValueFactoryImpl)2 MapBindingSet (org.openrdf.query.impl.MapBindingSet)2 HashSet (java.util.HashSet)1 Set (java.util.Set)1 UUID (java.util.UUID)1 Collectors (java.util.stream.Collectors)1 MultiProjectionEvaluator (org.apache.rya.api.function.projection.MultiProjectionEvaluator)1 RdfTestUtil (org.apache.rya.streams.kafka.RdfTestUtil)1 ResultType (org.apache.rya.streams.kafka.processors.ProcessorResult.ResultType)1 MultiProjectionProcessor (org.apache.rya.streams.kafka.processors.projection.MultiProjectionProcessorSupplier.MultiProjectionProcessor)1 ProjectionProcessor (org.apache.rya.streams.kafka.processors.projection.ProjectionProcessorSupplier.ProjectionProcessor)1 Assert.assertEquals (org.junit.Assert.assertEquals)1 ArgumentCaptor (org.mockito.ArgumentCaptor)1 Matchers.any (org.mockito.Matchers.any)1