Examples with SailRepositoryConnection org.openrdf.repository.sail.SailRepositoryConnection used on opensource projects

Example 21 with SailRepositoryConnection

use of org.openrdf.repository.sail.SailRepositoryConnection in project incubator-rya by apache.

the class MongoLoadStatementsFile method loadStatements.

@Override
public void loadStatements(final String ryaInstanceName, final Path statementsFile, final RDFFormat format) throws InstanceDoesNotExistException, RyaClientException {
    requireNonNull(ryaInstanceName);
    requireNonNull(statementsFile);
    requireNonNull(format);
    // Ensure the Rya Instance exists.
    if (!instanceExists.exists(ryaInstanceName)) {
        throw new InstanceDoesNotExistException(String.format("There is no Rya instance named '%s'.", ryaInstanceName));
    }
    Sail sail = null;
    SailRepositoryConnection sailRepoConn = null;
    try {
        // Get a Sail object that is connected to the Rya instance.
        final MongoDBRdfConfiguration ryaConf = connectionDetails.build(ryaInstanceName);
        sail = RyaSailFactory.getInstance(ryaConf);
        final SailRepository sailRepo = new SailRepository(sail);
        sailRepoConn = sailRepo.getConnection();
        // Load the file.
        sailRepoConn.add(statementsFile.toFile(), null, format);
    } catch (SailException | RyaDAOException | InferenceEngineException | AccumuloException | AccumuloSecurityException e) {
        throw new RyaClientException("Could not load statements into Rya because of a problem while creating the Sail object.", e);
    } catch (RDFParseException | RepositoryException | IOException e) {
        throw new RyaClientException("Could not load the statements into Rya.", e);
    } finally {
        // Close the resources that were opened.
        if (sailRepoConn != null) {
            try {
                sailRepoConn.close();
            } catch (final RepositoryException e) {
                log.error("Couldn't close the SailRepositoryConnection object.", e);
            }
        }
        if (sail != null) {
            try {
                sail.shutDown();
            } catch (final SailException e) {
                log.error("Couldn't close the Sail object.", e);
            }
        }
    }
}

Example 22 with SailRepositoryConnection

use of org.openrdf.repository.sail.SailRepositoryConnection in project incubator-rya by apache.

the class PcjDocumentsIntegrationTest method createAndPopulatePcj.

/**
 * Ensure the method that creates a new PCJ table, scans Rya for matches, and
 * stores them in the PCJ table works.
 * <p>
 * The method being tested is: {@link PcjTables#createAndPopulatePcj(RepositoryConnection, Connector, String, String, String[], Optional)}
 */
@Test
public void createAndPopulatePcj() throws Exception {
    final MongoDBRyaDAO dao = new MongoDBRyaDAO();
    dao.setConf(new StatefulMongoDBRdfConfiguration(conf, getMongoClient()));
    dao.init();
    final RdfCloudTripleStore ryaStore = new RdfCloudTripleStore();
    ryaStore.setRyaDAO(dao);
    ryaStore.initialize();
    final SailRepositoryConnection ryaConn = new RyaSailRepository(ryaStore).getConnection();
    ryaConn.begin();
    try {
        // Load some Triples into Rya.
        final Set<Statement> triples = new HashSet<>();
        triples.add(new StatementImpl(new URIImpl("http://Alice"), new URIImpl("http://hasAge"), new NumericLiteralImpl(14, XMLSchema.INTEGER)));
        triples.add(new StatementImpl(new URIImpl("http://Alice"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
        triples.add(new StatementImpl(new URIImpl("http://Bob"), new URIImpl("http://hasAge"), new NumericLiteralImpl(16, XMLSchema.INTEGER)));
        triples.add(new StatementImpl(new URIImpl("http://Bob"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
        triples.add(new StatementImpl(new URIImpl("http://Charlie"), new URIImpl("http://hasAge"), new NumericLiteralImpl(12, XMLSchema.INTEGER)));
        triples.add(new StatementImpl(new URIImpl("http://Charlie"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
        triples.add(new StatementImpl(new URIImpl("http://Eve"), new URIImpl("http://hasAge"), new NumericLiteralImpl(43, XMLSchema.INTEGER)));
        triples.add(new StatementImpl(new URIImpl("http://Eve"), new URIImpl("http://playsSport"), new LiteralImpl("Soccer")));
        for (final Statement triple : triples) {
            ryaConn.add(triple);
        }
        // Create a PCJ table that will include those triples in its results.
        final String sparql = "SELECT ?name ?age " + "{" + "FILTER(?age < 30) ." + "?name <http://hasAge> ?age." + "?name <http://playsSport> \"Soccer\" " + "}";
        final String pcjTableName = "testPcj";
        // Create and populate the PCJ table.
        final MongoPcjDocuments pcjs = new MongoPcjDocuments(getMongoClient(), conf.getRyaInstanceName());
        pcjs.createAndPopulatePcj(ryaConn, pcjTableName, sparql);
        // Make sure the cardinality was updated.
        final PcjMetadata metadata = pcjs.getPcjMetadata(pcjTableName);
        assertEquals(3, metadata.getCardinality());
        // Scan Accumulo for the stored results.
        final Collection<BindingSet> fetchedResults = loadPcjResults(pcjTableName);
        // Ensure the expected results match those that were stored.
        final MapBindingSet alice = new MapBindingSet();
        alice.addBinding("name", new URIImpl("http://Alice"));
        alice.addBinding("age", new NumericLiteralImpl(14, XMLSchema.INTEGER));
        final MapBindingSet bob = new MapBindingSet();
        bob.addBinding("name", new URIImpl("http://Bob"));
        bob.addBinding("age", new NumericLiteralImpl(16, XMLSchema.INTEGER));
        final MapBindingSet charlie = new MapBindingSet();
        charlie.addBinding("name", new URIImpl("http://Charlie"));
        charlie.addBinding("age", new NumericLiteralImpl(12, XMLSchema.INTEGER));
        final Set<BindingSet> expected = Sets.<BindingSet>newHashSet(alice, bob, charlie);
        assertEquals(expected, fetchedResults);
    } finally {
        ryaConn.close();
        ryaStore.shutDown();
    }
}

Example 23 with SailRepositoryConnection

use of org.openrdf.repository.sail.SailRepositoryConnection in project incubator-rya by apache.

the class RyaGeoDirectExample method main.

public static void main(final String[] args) throws Exception {
    final Configuration conf = getConf();
    conf.set(PrecomputedJoinIndexerConfig.PCJ_STORAGE_TYPE, PrecomputedJoinStorageType.ACCUMULO.name());
    conf.setBoolean(ConfigUtils.DISPLAY_QUERY_PLAN, PRINT_QUERIES);
    conf.setBoolean(OptionalConfigUtils.USE_GEO, true);
    log.info("Creating the tables as root.");
    SailRepository repository = null;
    SailRepositoryConnection conn = null;
    try {
        log.info("Connecting to Geo Sail Repository.");
        final Sail extSail = GeoRyaSailFactory.getInstance(conf);
        repository = new SailRepository(extSail);
        conn = repository.getConnection();
        final long start = System.currentTimeMillis();
        log.info("Running SPARQL Example: Add Point and Geo Search with PCJ");
        testAddPointAndWithinSearchWithPCJ(conn);
        log.info("Running SPARQL Example: Temporal, Freetext, and Geo Search");
        testTemporalFreeGeoSearch(conn);
        log.info("Running SPARQL Example: Geo, Freetext, and PCJ Search");
        testGeoFreetextWithPCJSearch(conn);
        log.info("Running SPARQL Example: Delete Geo Data");
        testDeleteGeoData(conn);
        log.info("TIME: " + (System.currentTimeMillis() - start) / 1000.);
    } finally {
        log.info("Shutting down");
        closeQuietly(conn);
        closeQuietly(repository);
    }
}

Example 24 with SailRepositoryConnection

use of org.openrdf.repository.sail.SailRepositoryConnection in project incubator-rya by apache.

the class CreateDeleteIT method loadData.

private String loadData(final String sparql, final Collection<Statement> statements) throws Exception {
    requireNonNull(sparql);
    requireNonNull(statements);
    // Register the PCJ with Rya.
    final RyaClient ryaClient = AccumuloRyaClientFactory.build(createConnectionDetails(), getAccumuloConnector());
    final String pcjId = ryaClient.getCreatePCJ().createPCJ(getRyaInstanceName(), sparql, Sets.newHashSet());
    // Write the data to Rya.
    final SailRepositoryConnection ryaConn = getRyaSailRepository().getConnection();
    ryaConn.begin();
    ryaConn.add(statements);
    ryaConn.commit();
    ryaConn.close();
    // Wait for the Fluo application to finish computing the end result.
    getMiniFluo().waitForObservers();
    // The PCJ Id is the topic name the results will be written to.
    return pcjId;
}

Example 25 with SailRepositoryConnection

use of org.openrdf.repository.sail.SailRepositoryConnection in project incubator-rya by apache.

the class InputIT 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")));
    // Triples that will be streamed into Fluo after the PCJ has been created.
    final Set<RyaStatement> streamedTriples = Sets.newHashSet(new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")));
    // 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();
        final Set<BindingSet> expected = new HashSet<>();
        MapBindingSet bs = new MapBindingSet();
        bs.addBinding("x", vf.createURI("http://Alice"));
        expected.add(bs);
        Set<BindingSet> results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
        // Stream the data into Fluo.
        new InsertTriples().insert(fluoClient, streamedTriples, Optional.<String>absent());
        // Verify the end results of the query also include Frank.
        super.getMiniFluo().waitForObservers();
        bs = new MapBindingSet();
        bs.addBinding("x", vf.createURI("http://Frank"));
        expected.add(bs);
        results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
    }
}