Examples with PrecomputedJoinStorage org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage used on opensource projects

Example 31 with PrecomputedJoinStorage

use of org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage in project incubator-rya by apache.

the class BatchIT method multiJoinBatchIntegrationTest.

@Test
public void multiJoinBatchIntegrationTest() throws Exception {
    final String sparql = "SELECT ?subject1 ?subject2 ?object1 ?object2 WHERE { ?subject1 <urn:predicate_1> ?object1; " + " <urn:predicate_2> ?object2 ." + " ?subject2 <urn:predicate_3> ?object2 } ";
    try (FluoClient fluoClient = new FluoClientImpl(getFluoConfiguration())) {
        RyaURI subj1 = new RyaURI("urn:subject_1");
        RyaStatement statement1 = new RyaStatement(subj1, new RyaURI("urn:predicate_1"), null);
        RyaStatement statement2 = new RyaStatement(subj1, new RyaURI("urn:predicate_2"), null);
        Set<RyaStatement> statements1 = getRyaStatements(statement1, 10);
        Set<RyaStatement> statements2 = getRyaStatements(statement2, 10);
        RyaURI subj2 = new RyaURI("urn:subject_2");
        RyaStatement statement3 = new RyaStatement(subj2, new RyaURI("urn:predicate_3"), null);
        Set<RyaStatement> statements3 = getRyaStatements(statement3, 10);
        // Create the PCJ table.
        final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(getAccumuloConnector(), getRyaInstanceName());
        final String pcjId = pcjStorage.createPcj(sparql);
        // Tell the Fluo app to maintain the PCJ and sets batch scan size for StatementPatterns to 5 and
        // batch size of joins to 5.
        String queryId = new CreateFluoPcj(5, 5).withRyaIntegration(pcjId, pcjStorage, fluoClient, getAccumuloConnector(), getRyaInstanceName()).getQueryId();
        List<String> ids = getNodeIdStrings(fluoClient, queryId);
        // Stream the data into Fluo.
        InsertTriples inserter = new InsertTriples();
        inserter.insert(fluoClient, statements1, Optional.absent());
        inserter.insert(fluoClient, statements2, Optional.absent());
        inserter.insert(fluoClient, statements3, Optional.absent());
        getMiniFluo().waitForObservers();
        verifyCounts(fluoClient, ids, Arrays.asList(100, 100, 100, 100, 10, 10, 10));
    }
}

Example 32 with PrecomputedJoinStorage

use of org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage in project incubator-rya by apache.

the class QueryIT method runTest.

public void runTest(final String sparql, final Collection<Statement> statements, final Collection<BindingSet> expectedResults, final ExportStrategy strategy) throws Exception {
    requireNonNull(sparql);
    requireNonNull(statements);
    requireNonNull(expectedResults);
    // Register the PCJ with Rya.
    final Connector accumuloConn = super.getAccumuloConnector();
    final RyaClient ryaClient = AccumuloRyaClientFactory.build(createConnectionDetails(), accumuloConn);
    switch(strategy) {
        case RYA:
            ryaClient.getCreatePCJ().createPCJ(getRyaInstanceName(), sparql);
            addStatementsAndWait(statements);
            // Fetch the value that is stored within the PCJ table.
            try (final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName())) {
                final String pcjId = pcjStorage.listPcjs().get(0);
                final Set<BindingSet> results = Sets.newHashSet(pcjStorage.listResults(pcjId));
                // Ensure the result of the query matches the expected result.
                assertEquals(expectedResults, results);
            }
            break;
        case PERIODIC:
            final PeriodicQueryResultStorage periodicStorage = new AccumuloPeriodicQueryResultStorage(accumuloConn, getRyaInstanceName());
            final String periodicId = periodicStorage.createPeriodicQuery(sparql);
            try (FluoClient fluo = new FluoClientImpl(super.getFluoConfiguration())) {
                new CreateFluoPcj().createPcj(periodicId, sparql, Sets.newHashSet(ExportStrategy.PERIODIC), fluo);
            }
            addStatementsAndWait(statements);
            final Set<BindingSet> results = Sets.newHashSet();
            try (CloseableIterator<BindingSet> resultIter = periodicStorage.listResults(periodicId, Optional.empty())) {
                while (resultIter.hasNext()) {
                    results.add(resultIter.next());
                }
            }
            assertEquals(expectedResults, results);
            break;
        default:
            throw new RuntimeException("Invalid export option");
    }
}

Example 33 with PrecomputedJoinStorage

use of org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage in project incubator-rya by apache.

the class RyaInputIncrementalUpdateIT method historicThenStreamedResults.

/**
 * Simulates the case where a Triple is added to Rya, a new query that
 * includes that triple as a historic match is inserted into Fluo, and then
 * some new triple that matches the query is streamed into Fluo. The query's
 * results must include both the historic result and the newly streamed
 * result.
 */
@Test
public void historicThenStreamedResults() 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")), vf.createStatement(vf.createURI("http://Joe"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")));
    // Triples that will be streamed into Fluo after the PCJ has been
    final Set<Statement> streamedTriples = Sets.newHashSet(vf.createStatement(vf.createURI("http://Frank"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), vf.createStatement(vf.createURI("http://Joe"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), vf.createStatement(vf.createURI("http://Frank"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")));
    // Load the historic data into Rya.
    final SailRepositoryConnection ryaConn = super.getRyaSailRepository().getConnection();
    for (final Statement triple : historicTriples) {
        ryaConn.add(triple);
    }
    // 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());
        super.getMiniFluo().waitForObservers();
        // Load the streaming data into Rya.
        for (final Statement triple : streamedTriples) {
            ryaConn.add(triple);
        }
        // Ensure Alice is a match.
        super.getMiniFluo().waitForObservers();
        final Set<BindingSet> expected = new HashSet<>();
        MapBindingSet bs = new MapBindingSet();
        bs.addBinding("x", vf.createURI("http://Alice"));
        expected.add(bs);
        bs = new MapBindingSet();
        bs.addBinding("x", vf.createURI("http://Frank"));
        expected.add(bs);
        bs = new MapBindingSet();
        bs.addBinding("x", vf.createURI("http://Joe"));
        expected.add(bs);
        final Set<BindingSet> results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultIt = pcjStorage.listResults(pcjId)) {
            while (resultIt.hasNext()) {
                results.add(resultIt.next());
            }
        }
        assertEquals(expected, results);
    }
}

Example 34 with PrecomputedJoinStorage

use of org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage in project incubator-rya by apache.

the class RyaInputIncrementalUpdateIT method streamResultsThroughRya.

/**
 * Ensure historic matches are included in the result.
 */
@Test
public void streamResultsThroughRya() 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);
    // 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();
        // Load the historic data into Rya.
        final SailRepositoryConnection ryaConn = super.getRyaSailRepository().getConnection();
        for (final Statement triple : historicTriples) {
            ryaConn.add(triple);
        }
        super.getMiniFluo().waitForObservers();
        final Set<BindingSet> results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultIt = pcjStorage.listResults(pcjId)) {
            while (resultIt.hasNext()) {
                results.add(resultIt.next());
            }
        }
        assertEquals(expected, results);
    }
}

Example 35 with PrecomputedJoinStorage

use of org.apache.rya.indexing.pcj.storage.PrecomputedJoinStorage in project incubator-rya by apache.

the class StreamingTestIT method testRandomStreamingIngest.

@Test
public void testRandomStreamingIngest() throws Exception {
    final String sparql = "select ?name ?uuid where { " + "?uuid <http://pred1> ?name ; " + "<http://pred2> \"literal\"." + "}";
    try (FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) {
        // Create the PCJ table.
        final Connector accumuloConn = super.getAccumuloConnector();
        final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName());
        final String pcjId = pcjStorage.createPcj(sparql);
        // Task the Fluo app with the PCJ.
        new CreateFluoPcj().withRyaIntegration(pcjId, pcjStorage, fluoClient, accumuloConn, getRyaInstanceName());
        // Add Statements to the Fluo app.
        log.info("Adding Join Pairs...");
        addRandomQueryStatementPairs(100);
        super.getMiniFluo().waitForObservers();
        int resultCount = 0;
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                resultCount++;
                resultsIt.next();
            }
        }
        // Show the correct number of Binding Sets were created for the PCJ.
        assertEquals(100, resultCount);
    }
}