Examples with Statement org.openrdf.model.Statement used on opensource projects

Example 56 with Statement

use of org.openrdf.model.Statement in project incubator-rya by apache.

the class PcjTablesWithMockTest method populatePcj.

@Test
public void populatePcj() throws RepositoryException, PcjException, TableNotFoundException, BindingSetConversionException {
    // 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 " + "{" + "?name <http://hasAge> ?age." + "?name <http://playsSport> \"Soccer\" " + "}";
    final String pcjTableName = new PcjTableNameFactory().makeTableName(RYA_TABLE_PREFIX, "testPcj");
    final PcjTables pcjs = new PcjTables();
    pcjs.createAndPopulatePcj(ryaConn, accumuloConn, pcjTableName, sparql, new String[] { "age", "name" }, Optional.<PcjVarOrderFactory>absent());
    // Make sure the cardinality was updated.
    final PcjMetadata metadata = pcjs.getPcjMetadata(accumuloConn, pcjTableName);
    assertEquals(4, metadata.getCardinality());
}

Example 57 with Statement

use of org.openrdf.model.Statement 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 58 with Statement

use of org.openrdf.model.Statement in project incubator-rya by apache.

the class GeoMesaGeoIndexer method deleteStatements.

private void deleteStatements(final Collection<RyaStatement> ryaStatements) throws IOException {
    // create a feature collection
    final DefaultFeatureCollection featureCollection = new DefaultFeatureCollection();
    for (final RyaStatement ryaStatement : ryaStatements) {
        final Statement statement = RyaToRdfConversions.convertStatement(ryaStatement);
        // if the predicate list is empty, accept all predicates.
        // Otherwise, make sure the predicate is on the "valid" list
        final boolean isValidPredicate = validPredicates.isEmpty() || validPredicates.contains(statement.getPredicate());
        if (isValidPredicate && (statement.getObject() instanceof Literal)) {
            try {
                final SimpleFeature feature = createFeature(featureType, statement);
                featureCollection.add(feature);
            } catch (final ParseException e) {
                logger.warn("Error getting geo from statement: " + statement.toString(), e);
            }
        }
    }
    // remove this feature collection from the store
    if (!featureCollection.isEmpty()) {
        final Set<Identifier> featureIds = new HashSet<Identifier>();
        final FilterFactory filterFactory = CommonFactoryFinder.getFilterFactory(null);
        final Set<String> stringIds = DataUtilities.fidSet(featureCollection);
        for (final String id : stringIds) {
            featureIds.add(filterFactory.featureId(id));
        }
        final Filter filter = filterFactory.id(featureIds);
        featureStore.removeFeatures(filter);
    }
}

Example 59 with Statement

use of org.openrdf.model.Statement in project incubator-rya by apache.

the class GeoIndexerTest method testAntiMeridianSearch.

// @Test
public void testAntiMeridianSearch() throws Exception {
    // verify that a search works if the bounding box crosses the anti meridian
    try (final GeoMesaGeoIndexer f = new GeoMesaGeoIndexer()) {
        f.setConf(conf);
        final ValueFactory vf = new ValueFactoryImpl();
        final Resource context = vf.createURI("foo:context");
        final Resource subjectEast = vf.createURI("foo:subj:east");
        final URI predicateEast = GeoConstants.GEO_AS_WKT;
        final Value objectEast = vf.createLiteral("Point(179 0)", GeoConstants.XMLSCHEMA_OGC_WKT);
        final Statement statementEast = new ContextStatementImpl(subjectEast, predicateEast, objectEast, context);
        f.storeStatement(convertStatement(statementEast));
        final Resource subjectWest = vf.createURI("foo:subj:west");
        final URI predicateWest = GeoConstants.GEO_AS_WKT;
        final Value objectWest = vf.createLiteral("Point(-179 0)", GeoConstants.XMLSCHEMA_OGC_WKT);
        final Statement statementWest = new ContextStatementImpl(subjectWest, predicateWest, objectWest, context);
        f.storeStatement(convertStatement(statementWest));
        f.flush();
        final double[] ONE = { 178.1, 1, -178, 1, -178, -1, 178.1, -1, 178.1, 1 };
        final LinearRing r1 = gf.createLinearRing(new PackedCoordinateSequence.Double(ONE, 2));
        final Polygon p1 = gf.createPolygon(r1, new LinearRing[] {});
        Assert.assertEquals(Sets.newHashSet(statementEast, statementWest), getSet(f.queryWithin(p1, EMPTY_CONSTRAINTS)));
    }
}

Example 60 with Statement

use of org.openrdf.model.Statement in project incubator-rya by apache.

the class GeoIndexerTest method testRestrictPredicatesSearch.

@Test
public void testRestrictPredicatesSearch() throws Exception {
    conf.setStrings(ConfigUtils.GEO_PREDICATES_LIST, "pred:1,pred:2");
    try (final GeoMesaGeoIndexer f = new GeoMesaGeoIndexer()) {
        f.setConf(conf);
        final ValueFactory vf = new ValueFactoryImpl();
        final Point point = gf.createPoint(new Coordinate(10, 10));
        final Value pointValue = vf.createLiteral("Point(10 10)", GeoConstants.XMLSCHEMA_OGC_WKT);
        final URI invalidPredicate = GeoConstants.GEO_AS_WKT;
        // These should not be stored because they are not in the predicate list
        f.storeStatement(convertStatement(new StatementImpl(vf.createURI("foo:subj1"), invalidPredicate, pointValue)));
        f.storeStatement(convertStatement(new StatementImpl(vf.createURI("foo:subj2"), invalidPredicate, pointValue)));
        final URI pred1 = vf.createURI("pred:1");
        final URI pred2 = vf.createURI("pred:2");
        // These should be stored because they are in the predicate list
        final Statement s3 = new StatementImpl(vf.createURI("foo:subj3"), pred1, pointValue);
        final Statement s4 = new StatementImpl(vf.createURI("foo:subj4"), pred2, pointValue);
        f.storeStatement(convertStatement(s3));
        f.storeStatement(convertStatement(s4));
        // This should not be stored because the object is not valid wkt
        f.storeStatement(convertStatement(new StatementImpl(vf.createURI("foo:subj5"), pred1, vf.createLiteral("soint(10 10)"))));
        // This should not be stored because the object is not a literal
        f.storeStatement(convertStatement(new StatementImpl(vf.createURI("foo:subj6"), pred1, vf.createURI("p:Point(10 10)"))));
        f.flush();
        final Set<Statement> actual = getSet(f.queryEquals(point, EMPTY_CONSTRAINTS));
        Assert.assertEquals(2, actual.size());
        Assert.assertTrue(actual.contains(s3));
        Assert.assertTrue(actual.contains(s4));
    }
}