Examples with Sail org.eclipse.rdf4j.sail.Sail used on opensource projects

Example 26 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class MongoStatementMetadataIT method simpleQueryWithBindingSetJoinPropertyToSubject.

/**
 * Tests to see if correct result is passed back when a metadata statement
 * is joined with a StatementPattern statement (i.e. a common variable
 * appears in a StatementPattern statement and a metadata statement).
 * StatementPattern statements have either rdf:subject, rdf:predicate, or
 * rdf:object as the predicate while a metadata statement is any statement
 * in the reified query whose predicate is not rdf:type and not a
 * StatementPattern predicate.
 *
 * @throws MalformedQueryException
 * @throws QueryEvaluationException
 * @throws RyaDAOException
 */
@Test
public void simpleQueryWithBindingSetJoinPropertyToSubject() throws Exception {
    final Sail sail = RyaSailFactory.getInstance(conf);
    final MongoDBRyaDAO dao = new MongoDBRyaDAO();
    try {
        dao.setConf(conf);
        dao.init();
        final StatementMetadata metadata1 = new StatementMetadata();
        metadata1.addMetadata(new RyaIRI("http://createdBy"), new RyaIRI("http://Doug"));
        metadata1.addMetadata(new RyaIRI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-01-04"));
        final StatementMetadata metadata2 = new StatementMetadata();
        metadata2.addMetadata(new RyaIRI("http://createdBy"), new RyaIRI("http://Bob"));
        metadata2.addMetadata(new RyaIRI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-02-04"));
        final RyaStatement statement1 = new RyaStatement(new RyaIRI("http://Joe"), new RyaIRI("http://worksAt"), new RyaIRI("http://BurgerShack"), new RyaIRI("http://context"), "", metadata1);
        final RyaStatement statement2 = new RyaStatement(new RyaIRI("http://Joe"), new RyaIRI("http://talksTo"), new RyaIRI("http://Betty"), new RyaIRI("http://context"), "", metadata1);
        final RyaStatement statement3 = new RyaStatement(new RyaIRI("http://Fred"), new RyaIRI("http://talksTo"), new RyaIRI("http://Amanda"), new RyaIRI("http://context"), "", metadata1);
        final RyaStatement statement4 = new RyaStatement(new RyaIRI("http://Joe"), new RyaIRI("http://talksTo"), new RyaIRI("http://Wanda"), new RyaIRI("http://context"), "", metadata2);
        dao.add(statement1);
        dao.add(statement2);
        dao.add(statement3);
        dao.add(statement4);
        final SailRepositoryConnection conn = new SailRepository(sail).getConnection();
        final TupleQueryResult result = conn.prepareTupleQuery(QueryLanguage.SPARQL, query2).evaluate();
        final Set<BindingSet> expected = new HashSet<>();
        final QueryBindingSet expected1 = new QueryBindingSet();
        expected1.addBinding("b", VF.createIRI("http://Betty"));
        expected1.addBinding("a", VF.createIRI("http://Joe"));
        expected1.addBinding("c", VF.createIRI("http://Doug"));
        expected.add(expected1);
        final Set<BindingSet> bsSet = new HashSet<>();
        while (result.hasNext()) {
            bsSet.add(result.next());
        }
        assertEquals(expected, bsSet);
        dao.delete(statement1, conf);
        dao.delete(statement2, conf);
        dao.delete(statement3, conf);
        dao.delete(statement4, conf);
    } finally {
        dao.destroy();
        sail.shutDown();
    }
}

Example 27 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class MongoStatementMetadataIT method simpleQueryWithoutBindingSet.

@Test
public void simpleQueryWithoutBindingSet() throws Exception {
    final Sail sail = RyaSailFactory.getInstance(conf);
    final MongoDBRyaDAO dao = new MongoDBRyaDAO();
    try {
        dao.setConf(conf);
        dao.init();
        final StatementMetadata metadata = new StatementMetadata();
        metadata.addMetadata(new RyaIRI("http://createdBy"), new RyaType("Joe"));
        metadata.addMetadata(new RyaIRI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-01-04"));
        final RyaStatement statement = new RyaStatement(new RyaIRI("http://Joe"), new RyaIRI("http://worksAt"), new RyaType("CoffeeShop"), new RyaIRI("http://context"), "", metadata);
        dao.add(statement);
        final SailRepositoryConnection conn = new SailRepository(sail).getConnection();
        final TupleQueryResult result = conn.prepareTupleQuery(QueryLanguage.SPARQL, query1).evaluate();
        final QueryBindingSet bs = new QueryBindingSet();
        bs.addBinding("x", VF.createLiteral("CoffeeShop"));
        bs.addBinding("y", VF.createLiteral("Joe"));
        final List<BindingSet> bsList = new ArrayList<>();
        while (result.hasNext()) {
            bsList.add(result.next());
        }
        assertEquals(1, bsList.size());
        assertEquals(bs, bsList.get(0));
        dao.delete(statement, conf);
    } finally {
        dao.destroy();
        sail.shutDown();
    }
}

Example 28 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class MongoStatementMetadataIT method simpleQueryWithoutBindingSetInvalidProperty.

/**
 * Tests if results are filtered correctly using the metadata properties. In
 * this case, the date for the ingested RyaStatement differs from the date
 * specified in the query.
 *
 * @throws MalformedQueryException
 * @throws QueryEvaluationException
 * @throws RyaDAOException
 */
@Test
public void simpleQueryWithoutBindingSetInvalidProperty() throws Exception {
    final Sail sail = RyaSailFactory.getInstance(conf);
    final MongoDBRyaDAO dao = new MongoDBRyaDAO();
    try {
        dao.setConf(conf);
        dao.init();
        final StatementMetadata metadata = new StatementMetadata();
        metadata.addMetadata(new RyaIRI("http://createdBy"), new RyaType("Doug"));
        metadata.addMetadata(new RyaIRI("http://createdOn"), new RyaType(XMLSchema.DATE, "2017-02-15"));
        final RyaStatement statement = new RyaStatement(new RyaIRI("http://Joe"), new RyaIRI("http://worksAt"), new RyaType("CoffeeShop"), new RyaIRI("http://context"), "", metadata);
        dao.add(statement);
        final SailRepositoryConnection conn = new SailRepository(sail).getConnection();
        final TupleQueryResult result = conn.prepareTupleQuery(QueryLanguage.SPARQL, query1).evaluate();
        final List<BindingSet> bsList = new ArrayList<>();
        while (result.hasNext()) {
            bsList.add(result.next());
        }
        assertEquals(0, bsList.size());
        dao.delete(statement, conf);
    } finally {
        dao.destroy();
        sail.shutDown();
    }
}

Example 29 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class EntityDirectExample method main.

public static void main(final String[] args) throws Exception {
    final Configuration conf = getConf();
    conf.setBoolean(ConfigUtils.DISPLAY_QUERY_PLAN, PRINT_QUERIES);
    log.info("Creating the tables as root.");
    SailRepository repository = null;
    SailRepositoryConnection conn = null;
    try {
        log.info("Connecting to Indexing Sail Repository.");
        final Sail extSail = RyaSailFactory.getInstance(conf);
        repository = new SailRepository(extSail);
        conn = repository.getConnection();
        log.info("Running SPARQL Example: Add and Delete");
        testAddAndDelete(conn);
        log.info("Running SAIL/SPARQL Example: Add and Temporal Search");
        testAddAndTemporalSearchWithPCJ(conn);
    } finally {
        log.info("Shutting down");
        closeQuietly(conn);
        closeQuietly(repository);
    }
}

Example 30 with Sail

use of org.eclipse.rdf4j.sail.Sail in project incubator-rya by apache.

the class RyaDirectExample method createPCJ.

// private static void testDeleteGeoData(final SailRepositoryConnection conn)
// throws Exception {
// // Delete all stored points
// final String sparqlDelete = "PREFIX geo: <http://www.opengis.net/ont/geosparql#>  "//
// + "PREFIX geof: <http://www.opengis.net/def/function/geosparql/>  "//
// + "DELETE {\n" //
// + "  ?feature a geo:Feature . "//
// + "  ?feature geo:hasGeometry ?point . "//
// + "  ?point a geo:Point . "//
// + "  ?point geo:asWKT ?wkt . "//
// + "}\n" + "WHERE { \n" + "  ?feature a geo:Feature . "//
// + "  ?feature geo:hasGeometry ?point . "//
// + "  ?point a geo:Point . "//
// + "  ?point geo:asWKT ?wkt . "//
// + "}";//
// 
// final Update deleteUpdate = conn.prepareUpdate(QueryLanguage.SPARQL,
// sparqlDelete);
// deleteUpdate.execute();
// 
// String queryString;
// TupleQuery tupleQuery;
// CountingResultHandler tupleHandler;
// 
// // Find all stored points
// queryString = "PREFIX geo: <http://www.opengis.net/ont/geosparql#>  "//
// + "PREFIX geof: <http://www.opengis.net/def/function/geosparql/>  "//
// + "SELECT ?feature ?point ?wkt " //
// + "{" //
// + "  ?feature a geo:Feature . "//
// + "  ?feature geo:hasGeometry ?point . "//
// + "  ?point a geo:Point . "//
// + "  ?point geo:asWKT ?wkt . "//
// + "}";//
// tupleQuery = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryString);
// tupleHandler = new CountingResultHandler();
// tupleQuery.evaluate(tupleHandler);
// log.info("Result count : " + tupleHandler.getCount());
// Validate.isTrue(tupleHandler.getCount() == 0);
// }
private static void createPCJ(final Configuration conf) throws RepositoryException, AccumuloException, AccumuloSecurityException, TableExistsException, PcjException, InferenceEngineException, NumberFormatException, UnknownHostException, SailException, TableNotFoundException {
    final Configuration config = new AccumuloRdfConfiguration(conf);
    config.set(ConfigUtils.USE_PCJ, "false");
    SailRepository repository = null;
    SailRepositoryConnection conn = null;
    try {
        final Sail extSail = RyaSailFactory.getInstance(config);
        repository = new SailRepository(extSail);
        conn = repository.getConnection();
        final String queryString1 = // 
        "" + // 
        "SELECT ?e ?c ?l ?o " + // 
        "{" + // 
        "  ?c a ?e . " + // 
        "  ?e <http://www.w3.org/2000/01/rdf-schema#label> ?l . " + // 
        "  ?e <uri:talksTo> ?o . " + // 
        "}";
        final String queryString2 = // 
        "" + // 
        "SELECT ?e ?c ?l ?o " + // 
        "{" + // 
        "  ?e a ?c . " + // 
        "  ?e <http://www.w3.org/2000/01/rdf-schema#label> ?l . " + // 
        "  ?e <uri:talksTo> ?o . " + // 
        "}";
        ValueFactory vf = SimpleValueFactory.getInstance();
        IRI obj, subclass, talksTo;
        final IRI person = vf.createIRI("urn:people:alice");
        final IRI feature = vf.createIRI("urn:feature");
        final IRI sub = vf.createIRI("uri:entity");
        subclass = vf.createIRI("uri:class");
        obj = vf.createIRI("uri:obj");
        talksTo = vf.createIRI("uri:talksTo");
        conn.add(person, RDF.TYPE, sub);
        conn.add(feature, RDF.TYPE, sub);
        conn.add(sub, RDF.TYPE, subclass);
        conn.add(sub, RDFS.LABEL, vf.createLiteral("label"));
        conn.add(sub, talksTo, obj);
        final String tablename1 = RYA_TABLE_PREFIX + "INDEX_1";
        final String tablename2 = RYA_TABLE_PREFIX + "INDEX_2";
        final Connector accCon = new MockInstance(INSTANCE).getConnector("root", new PasswordToken("".getBytes(StandardCharsets.UTF_8)));
        new PcjTables().createAndPopulatePcj(conn, accCon, tablename1, queryString1, new String[] { "e", "c", "l", "o" }, Optional.absent());
        new PcjTables().createAndPopulatePcj(conn, accCon, tablename2, queryString2, new String[] { "e", "c", "l", "o" }, Optional.absent());
    } catch (final RyaDAOException e) {
        throw new Error("While creating PCJ tables.", e);
    } finally {
        closeQuietly(conn);
        closeQuietly(repository);
    }
}