Examples with RyaStatement org.apache.rya.api.domain.RyaStatement used on opensource projects

Example 66 with RyaStatement

use of org.apache.rya.api.domain.RyaStatement in project incubator-rya by apache.

the class InputIT method streamedResults.

/**
 * Ensure streamed matches are included in the result.
 */
@Test
public void streamedResults() throws Exception {
    // A query that finds people who talk to Eve and work at Chipotle.
    final String sparql = "SELECT ?x WHERE { " + "?x <http://talksTo> <http://Eve>. " + "?x <http://worksAt> <http://Chipotle>." + "}";
    // Triples that will be streamed into Fluo after the PCJ has been created.
    final Set<RyaStatement> streamedTriples = Sets.newHashSet(new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Charlie"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Eve"), new RyaURI("http://helps"), new RyaURI("http://Kevin")), new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://Charlie"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://Eve"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://David"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")));
    // The expected results of the SPARQL query once the PCJ has been computed.
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<BindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Bob"));
    expected.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Charlie"));
    expected.add(bs);
    // Create the PCJ table.
    final Connector accumuloConn = super.getAccumuloConnector();
    final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName());
    final String pcjId = pcjStorage.createPcj(sparql);
    try (FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) {
        // Tell the Fluo app to maintain the PCJ.
        new CreateFluoPcj().withRyaIntegration(pcjId, pcjStorage, fluoClient, accumuloConn, getRyaInstanceName());
        // Ensure the query has no results yet.
        super.getMiniFluo().waitForObservers();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            assertFalse(resultsIt.hasNext());
        }
        // Stream the data into Fluo.
        new InsertTriples().insert(fluoClient, streamedTriples, Optional.<String>absent());
        // Verify the end results of the query match the expected results.
        super.getMiniFluo().waitForObservers();
        final HashSet<BindingSet> results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
    }
}

Example 67 with RyaStatement

use of org.apache.rya.api.domain.RyaStatement in project incubator-rya by apache.

the class KafkaRyaSubGraphExportIT method nestedConstructQuery.

@Test
public void nestedConstructQuery() throws Exception {
    // A query that groups what is aggregated by one of the keys.
    final String sparql = "CONSTRUCT { " + "_:b a <urn:highSpeedTrafficArea> . " + "_:b <urn:hasCount> ?obsCount . " + "_:b <urn:hasLocation> ?location ." + "_:b <urn:hasAverageVelocity> ?avgVelocity ." + "} WHERE { " + "FILTER(?obsCount > 1) " + "{ " + "SELECT ?location (count(?obs) AS ?obsCount) (avg(?velocity) AS ?avgVelocity) " + "WHERE { " + "FILTER(?velocity > 75) " + "?obs <urn:hasVelocity> ?velocity. " + "?obs <urn:hasLocation> ?location. " + "}GROUP BY ?location }}";
    // Create the Statements that will be loaded into Rya.
    final ValueFactory vf = new ValueFactoryImpl();
    final Collection<Statement> statements = Sets.newHashSet(vf.createStatement(vf.createURI("urn:obs1"), vf.createURI("urn:hasVelocity"), vf.createLiteral(77)), vf.createStatement(vf.createURI("urn:obs1"), vf.createURI("urn:hasLocation"), vf.createLiteral("OldTown")), vf.createStatement(vf.createURI("urn:obs2"), vf.createURI("urn:hasVelocity"), vf.createLiteral(81)), vf.createStatement(vf.createURI("urn:obs2"), vf.createURI("urn:hasLocation"), vf.createLiteral("OldTown")), vf.createStatement(vf.createURI("urn:obs3"), vf.createURI("urn:hasVelocity"), vf.createLiteral(70)), vf.createStatement(vf.createURI("urn:obs3"), vf.createURI("urn:hasLocation"), vf.createLiteral("OldTown")), vf.createStatement(vf.createURI("urn:obs5"), vf.createURI("urn:hasVelocity"), vf.createLiteral(87)), vf.createStatement(vf.createURI("urn:obs5"), vf.createURI("urn:hasLocation"), vf.createLiteral("Rosslyn")), vf.createStatement(vf.createURI("urn:obs6"), vf.createURI("urn:hasVelocity"), vf.createLiteral(81)), vf.createStatement(vf.createURI("urn:obs6"), vf.createURI("urn:hasLocation"), vf.createLiteral("Rosslyn")), vf.createStatement(vf.createURI("urn:obs7"), vf.createURI("urn:hasVelocity"), vf.createLiteral(67)), vf.createStatement(vf.createURI("urn:obs7"), vf.createURI("urn:hasLocation"), vf.createLiteral("Clarendon")), vf.createStatement(vf.createURI("urn:obs8"), vf.createURI("urn:hasVelocity"), vf.createLiteral(77)), vf.createStatement(vf.createURI("urn:obs8"), vf.createURI("urn:hasLocation"), vf.createLiteral("Ballston")), vf.createStatement(vf.createURI("urn:obs9"), vf.createURI("urn:hasVelocity"), vf.createLiteral(87)), vf.createStatement(vf.createURI("urn:obs9"), vf.createURI("urn:hasLocation"), vf.createLiteral("FallsChurch")));
    // Create the PCJ in Fluo and load the statements into Rya.
    final String pcjId = loadStatements(sparql, statements);
    // Verify the end results of the query match the expected results.
    final Set<RyaSubGraph> results = readAllResults(pcjId);
    RyaStatement statement1 = new RyaStatement(new RyaURI("urn:obs1"), new RyaURI("urn:hasCount"), new RyaType(XMLSchema.INTEGER, "2"));
    RyaStatement statement2 = new RyaStatement(new RyaURI("urn:obs1"), new RyaURI("urn:hasAverageVelocity"), new RyaType(XMLSchema.DECIMAL, "84"));
    RyaStatement statement3 = new RyaStatement(new RyaURI("urn:obs1"), new RyaURI("urn:hasLocation"), new RyaType("Rosslyn"));
    RyaStatement statement4 = new RyaStatement(new RyaURI("urn:obs1"), new RyaURI(RDF.TYPE.toString()), new RyaURI("urn:highSpeedTrafficArea"));
    RyaStatement statement5 = new RyaStatement(new RyaURI("urn:obs2"), new RyaURI("urn:hasCount"), new RyaType(XMLSchema.INTEGER, "2"));
    RyaStatement statement6 = new RyaStatement(new RyaURI("urn:obs2"), new RyaURI("urn:hasAverageVelocity"), new RyaType(XMLSchema.DECIMAL, "79"));
    RyaStatement statement7 = new RyaStatement(new RyaURI("urn:obs2"), new RyaURI("urn:hasLocation"), new RyaType("OldTown"));
    RyaStatement statement8 = new RyaStatement(new RyaURI("urn:obs2"), new RyaURI(RDF.TYPE.toString()), new RyaURI("urn:highSpeedTrafficArea"));
    final Set<RyaSubGraph> expectedResults = new HashSet<>();
    RyaSubGraph subGraph1 = new RyaSubGraph(pcjId);
    Set<RyaStatement> stmnts1 = new HashSet<>(Arrays.asList(statement1, statement2, statement3, statement4));
    subGraph1.setStatements(stmnts1);
    expectedResults.add(subGraph1);
    RyaSubGraph subGraph2 = new RyaSubGraph(pcjId);
    Set<RyaStatement> stmnts2 = new HashSet<>(Arrays.asList(statement5, statement6, statement7, statement8));
    subGraph2.setStatements(stmnts2);
    expectedResults.add(subGraph2);
    Assert.assertEquals(expectedResults.size(), results.size());
    ConstructGraphTestUtils.subGraphsEqualIgnoresBlankNode(expectedResults, results);
    ;
}

Example 68 with RyaStatement

use of org.apache.rya.api.domain.RyaStatement in project incubator-rya by apache.

the class KafkaRyaSubGraphExportIT method basicConstructQueryWithVis.

@Test
public void basicConstructQueryWithVis() throws Exception {
    // A query that groups what is aggregated by one of the keys.
    final String sparql = "CONSTRUCT { ?customer <urn:travelsTo> ?city . ?customer <urn:friendsWith> ?worker }" + "WHERE { " + "?customer <urn:talksTo> ?worker. " + "?worker <urn:livesIn> ?city. " + "?worker <urn:worksAt> <urn:burgerShack>. " + "}";
    // Create the Statements that will be loaded into Rya.
    RyaStatement statement1 = new RyaStatement(new RyaURI("urn:Joe"), new RyaURI("urn:talksTo"), new RyaURI("urn:Bob"));
    RyaStatement statement2 = new RyaStatement(new RyaURI("urn:Bob"), new RyaURI("urn:livesIn"), new RyaURI("urn:London"));
    RyaStatement statement3 = new RyaStatement(new RyaURI("urn:Bob"), new RyaURI("urn:worksAt"), new RyaURI("urn:burgerShack"));
    statement1.setColumnVisibility("U&W".getBytes("UTF-8"));
    statement2.setColumnVisibility("V".getBytes("UTF-8"));
    statement3.setColumnVisibility("W".getBytes("UTF-8"));
    // Create the PCJ in Fluo and load the statements into Rya.
    final String pcjId = loadRyaStatements(sparql, Arrays.asList(statement1, statement2, statement3));
    // Verify the end results of the query match the expected results.
    final Set<RyaSubGraph> results = readAllResults(pcjId);
    // Create the expected results of the SPARQL query once the PCJ has been
    // computed.
    final Set<RyaSubGraph> expectedResults = new HashSet<>();
    RyaSubGraph subGraph = new RyaSubGraph(pcjId);
    RyaStatement statement4 = new RyaStatement(new RyaURI("urn:Joe"), new RyaURI("urn:travelsTo"), new RyaURI("urn:London"));
    RyaStatement statement5 = new RyaStatement(new RyaURI("urn:Joe"), new RyaURI("urn:friendsWith"), new RyaURI("urn:Bob"));
    // if no visibility indicated, then visibilities set to empty byte in
    // Fluo - they are null by default in RyaStatement
    // need to set visibility to empty byte so that RyaStatement's equals
    // will return true
    statement4.setColumnVisibility("U&V&W".getBytes("UTF-8"));
    statement5.setColumnVisibility("U&V&W".getBytes("UTF-8"));
    Set<RyaStatement> stmnts = new HashSet<>(Arrays.asList(statement4, statement5));
    subGraph.setStatements(stmnts);
    expectedResults.add(subGraph);
    ConstructGraphTestUtils.subGraphsEqualIgnoresTimestamp(expectedResults, results);
}

Example 69 with RyaStatement

use of org.apache.rya.api.domain.RyaStatement in project incubator-rya by apache.

the class RyaExportIT method resultsExported.

@Test
public void resultsExported() throws Exception {
    final String sparql = "SELECT ?customer ?worker ?city " + "{ " + "FILTER(?customer = <http://Alice>) " + "FILTER(?city = <http://London>) " + "?customer <http://talksTo> ?worker. " + "?worker <http://livesIn> ?city. " + "?worker <http://worksAt> <http://Chipotle>. " + "}";
    // Triples that will be streamed into Fluo after the PCJ has been created.
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<RyaStatement> streamedTriples = Sets.newHashSet(new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://Bob")), new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://livesIn"), new RyaURI("http://London")), new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://Charlie")), new RyaStatement(new RyaURI("http://Charlie"), new RyaURI("http://livesIn"), new RyaURI("http://London")), new RyaStatement(new RyaURI("http://Charlie"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://David")), new RyaStatement(new RyaURI("http://David"), new RyaURI("http://livesIn"), new RyaURI("http://London")), new RyaStatement(new RyaURI("http://David"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Eve"), new RyaURI("http://livesIn"), new RyaURI("http://Leeds")), new RyaStatement(new RyaURI("http://Eve"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://talksTo"), new RyaURI("http://Alice")), new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://livesIn"), new RyaURI("http://London")), new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")));
    // The expected results of the SPARQL query once the PCJ has been computed.
    final Set<BindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("customer", vf.createURI("http://Alice"));
    bs.addBinding("worker", vf.createURI("http://Bob"));
    bs.addBinding("city", vf.createURI("http://London"));
    expected.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("customer", vf.createURI("http://Alice"));
    bs.addBinding("worker", vf.createURI("http://Charlie"));
    bs.addBinding("city", vf.createURI("http://London"));
    expected.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("customer", vf.createURI("http://Alice"));
    bs.addBinding("worker", vf.createURI("http://David"));
    bs.addBinding("city", vf.createURI("http://London"));
    expected.add(bs);
    // Create the PCJ table.
    final Connector accumuloConn = super.getAccumuloConnector();
    final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName());
    final String pcjId = pcjStorage.createPcj(sparql);
    try (FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) {
        // Tell the Fluo app to maintain the PCJ.
        new CreateFluoPcj().withRyaIntegration(pcjId, pcjStorage, fluoClient, accumuloConn, getRyaInstanceName());
        // Stream the data into Fluo.
        new InsertTriples().insert(fluoClient, streamedTriples, Optional.<String>absent());
        // Fetch the exported results from Accumulo once the observers finish working.
        super.getMiniFluo().waitForObservers();
        // Fetch expected results from the PCJ table that is in Accumulo.
        final Set<BindingSet> results = Sets.newHashSet(pcjStorage.listResults(pcjId));
        // Verify the end results of the query match the expected results.
        assertEquals(expected, results);
    }
}

Example 70 with RyaStatement

use of org.apache.rya.api.domain.RyaStatement in project incubator-rya by apache.

the class FileCopyToolMapper method addMetadataKeys.

@Override
protected void addMetadataKeys(final Context context) throws IOException {
    try {
        if (runTime != null) {
            log.info("Writing copy tool run time metadata to child table: " + runTime);
            final RyaStatement ryaStatement = AccumuloRyaUtils.createCopyToolRunTimeRyaStatement(runTime);
            writeRyaStatement(ryaStatement, context);
        }
        if (startTime != null) {
            log.info("Writing copy split time metadata to child table: " + startTime);
            final RyaStatement ryaStatement = AccumuloRyaUtils.createCopyToolSplitTimeRyaStatement(startTime);
            writeRyaStatement(ryaStatement, context);
        }
        if (timeOffset != null) {
            log.info("Writing copy tool time offset metadata to child table: " + timeOffset);
            final RyaStatement ryaStatement = AccumuloRyaUtils.createTimeOffsetRyaStatement(timeOffset);
            writeRyaStatement(ryaStatement, context);
        }
    } catch (TripleRowResolverException | IOException | InterruptedException e) {
        throw new IOException("Failed to write metadata key", e);
    }
}