Examples with CreateFluoPcj org.apache.rya.indexing.pcj.fluo.api.CreateFluoPcj used on opensource projects

Example 21 with CreateFluoPcj

use of org.apache.rya.indexing.pcj.fluo.api.CreateFluoPcj in project incubator-rya by apache.

the class InputIT method historicResults.

/**
 * Ensure historic matches are included in the result.
 */
@Test
public void historicResults() 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 are loaded into Rya before the PCJ is created.
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<Statement> historicTriples = Sets.newHashSet(vf.createStatement(vf.createURI("http://Alice"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), vf.createStatement(vf.createURI("http://Bob"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), vf.createStatement(vf.createURI("http://Charlie"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), vf.createStatement(vf.createURI("http://Eve"), vf.createURI("http://helps"), vf.createURI("http://Kevin")), vf.createStatement(vf.createURI("http://Bob"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), vf.createStatement(vf.createURI("http://Charlie"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), vf.createStatement(vf.createURI("http://Eve"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")), vf.createStatement(vf.createURI("http://David"), vf.createURI("http://worksAt"), vf.createURI("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("x", vf.createURI("http://Bob"));
    expected.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Charlie"));
    expected.add(bs);
    // Load the historic data into Rya.
    final SailRepositoryConnection ryaConn = super.getRyaSailRepository().getConnection();
    for (final Statement triple : historicTriples) {
        ryaConn.add(triple);
    }
    ryaConn.close();
    // 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());
        // Verify the end results of the query match the expected results.
        super.getMiniFluo().waitForObservers();
        final Set<BindingSet> results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
    }
}

Example 22 with CreateFluoPcj

use of org.apache.rya.indexing.pcj.fluo.api.CreateFluoPcj in project incubator-rya by apache.

the class InputIT method historicAndStreamConflict.

/**
 * Simulates the case where a Triple is added to Rya, a new query that
 * includes the triple as a historic match is inserted into Fluo, and then
 * the same triple is streamed into Fluo. The query's results will already
 * include the Triple because they were added while the query was being
 * created. This case should not fail or effect the end results in any way.
 */
@Test
public void historicAndStreamConflict() 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 are loaded into Rya before the PCJ is created.
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<Statement> historicTriples = Sets.newHashSet(vf.createStatement(vf.createURI("http://Alice"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), vf.createStatement(vf.createURI("http://Alice"), vf.createURI("http://worksAt"), vf.createURI("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://Alice"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")));
    // The expected final result.
    final Set<BindingSet> expected = new HashSet<>();
    final MapBindingSet bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Alice"));
    expected.add(bs);
    // Load the historic data into Rya.
    final SailRepositoryConnection ryaConn = super.getRyaSailRepository().getConnection();
    for (final Statement triple : historicTriples) {
        ryaConn.add(triple);
    }
    ryaConn.close();
    // 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 Alice is a match.
        super.getMiniFluo().waitForObservers();
        Set<BindingSet> results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
        // Stream the same Alice triple into Fluo.
        new InsertTriples().insert(fluoClient, streamedTriples, Optional.<String>absent());
        // Verify the end results of the query is stiill only Alice.
        super.getMiniFluo().waitForObservers();
        results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
    }
}

Example 23 with CreateFluoPcj

use of org.apache.rya.indexing.pcj.fluo.api.CreateFluoPcj in project incubator-rya by apache.

the class StatementPatternIdCacheIT method statementPatternIdCacheTest.

/**
 * Ensure streamed matches are included in the result.
 */
@Test
public void statementPatternIdCacheTest() throws Exception {
    // A query that finds people who talk to Eve and work at Chipotle.
    final String sparql1 = "SELECT ?x WHERE { " + "?x <urn:pred1> <urn:obj1>. " + "?x <urn:pred2> <urn:obj2>." + "}";
    final String sparql2 = "SELECT ?x WHERE { " + "?x <urn:pred3> <urn:obj3>. " + "?x <urn:pred4> <urn:obj4>." + "}";
    try (FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) {
        String pcjId = FluoQueryUtils.createNewPcjId();
        // Tell the Fluo app to maintain the PCJ.
        FluoQuery query1 = new CreateFluoPcj().createPcj(pcjId, sparql1, new HashSet<>(), fluoClient);
        Set<String> spIds1 = new HashSet<>();
        for (StatementPatternMetadata metadata : query1.getStatementPatternMetadata()) {
            spIds1.add(metadata.getNodeId());
        }
        StatementPatternIdCache cache = new StatementPatternIdCache();
        assertEquals(spIds1, cache.getStatementPatternIds(fluoClient.newTransaction()));
        FluoQuery query2 = new CreateFluoPcj().createPcj(pcjId, sparql2, new HashSet<>(), fluoClient);
        Set<String> spIds2 = new HashSet<>();
        for (StatementPatternMetadata metadata : query2.getStatementPatternMetadata()) {
            spIds2.add(metadata.getNodeId());
        }
        assertEquals(Sets.union(spIds1, spIds2), cache.getStatementPatternIds(fluoClient.newTransaction()));
    }
}

Example 24 with CreateFluoPcj

use of org.apache.rya.indexing.pcj.fluo.api.CreateFluoPcj in project incubator-rya by apache.

the class AccumuloCreatePCJ method updateFluoApp.

private void updateFluoApp(final String ryaInstance, final String fluoAppName, final String pcjId, String sparql, Set<ExportStrategy> strategies) throws RepositoryException, MalformedQueryException, SailException, QueryEvaluationException, PcjException, RyaDAOException, UnsupportedQueryException {
    requireNonNull(sparql);
    requireNonNull(pcjId);
    requireNonNull(strategies);
    // Connect to the Fluo application that is updating this instance's PCJs.
    final AccumuloConnectionDetails cd = super.getAccumuloConnectionDetails();
    try (final FluoClient fluoClient = new FluoClientFactory().connect(cd.getUsername(), new String(cd.getUserPass()), cd.getInstanceName(), cd.getZookeepers(), fluoAppName)) {
        // Initialize the PCJ within the Fluo application.
        final CreateFluoPcj fluoCreatePcj = new CreateFluoPcj();
        fluoCreatePcj.withRyaIntegration(pcjId, sparql, strategies, fluoClient, getConnector(), ryaInstance);
    }
}