Java Code Examples for org.openrdf.repository.RepositoryConnection#getValueFactory()
The following examples show how to use
org.openrdf.repository.RepositoryConnection#getValueFactory() .
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Example 1
Source File: CustomSesameDataset.java From GeoTriples with Apache License 2.0 | 6 votes |
/** * Literal factory * * @param s * the literal value * @param typeuri * uri representing the type (generally xsd) * @return */ public org.openrdf.model.Literal Literal(String s, URI typeuri) { try { RepositoryConnection con = currentRepository.getConnection(); try { ValueFactory vf = con.getValueFactory(); if (typeuri == null) { return vf.createLiteral(s); } else { return vf.createLiteral(s, typeuri); } } finally { con.close(); } } catch (Exception e) { e.printStackTrace(); return null; } }
Example 2
Source File: TestTicket4249.java From database with GNU General Public License v2.0 | 6 votes |
private void executeQuery(final RepositoryConnection conn, final String string, final double start, final double length, final String expected) throws RepositoryException, MalformedQueryException, QueryEvaluationException, RDFParseException, IOException, VisitorException { final ValueFactory vf = conn.getValueFactory(); final String query = "select ?substring WHERE { BIND ( SUBSTR(?string, ?start, ?length) as ?substring ) . }"; final TupleQuery q = conn.prepareTupleQuery(QueryLanguage.SPARQL, query); q.setBinding("string", vf.createLiteral(string)); q.setBinding("start", vf.createLiteral(start)); q.setBinding("length", vf.createLiteral(length)); final TupleQueryResult tqr = q.evaluate(); try { while (tqr.hasNext()) { final BindingSet bindings = tqr.next(); // assert expected value assertEquals(expected, bindings.getBinding("substring").getValue().stringValue()); } } finally { tqr.close(); } }
Example 3
Source File: TestTicket4249.java From database with GNU General Public License v2.0 | 6 votes |
private void executeQuery(final RepositoryConnection conn, final Literal string, final int start, final Literal expected) throws RepositoryException, MalformedQueryException, QueryEvaluationException { final ValueFactory vf = conn.getValueFactory(); final String query = "select ?substring WHERE { BIND ( SUBSTR(?string, ?start) as ?substring ) . }"; final TupleQuery q = conn.prepareTupleQuery(QueryLanguage.SPARQL, query); q.setBinding("string", string); q.setBinding("start", vf.createLiteral(start)); final TupleQueryResult tqr = q.evaluate(); try { while (tqr.hasNext()) { final BindingSet bindings = tqr.next(); // assert expected value assertEquals(expected, bindings.getBinding("substring").getValue()); } } finally { tqr.close(); } }
Example 4
Source File: TestTicket4249.java From database with GNU General Public License v2.0 | 6 votes |
private void executeQuery(final RepositoryConnection conn, final Literal string, final int start, final int length, final Literal expected) throws RepositoryException, MalformedQueryException, QueryEvaluationException { final ValueFactory vf = conn.getValueFactory(); final String query = "select ?substring WHERE { BIND ( SUBSTR(?string, ?start, ?length) as ?substring ) . }"; final TupleQuery q = conn.prepareTupleQuery(QueryLanguage.SPARQL, query); q.setBinding("string", string); q.setBinding("start", vf.createLiteral(start)); q.setBinding("length", vf.createLiteral(length)); final TupleQueryResult tqr = q.evaluate(); try { while (tqr.hasNext()) { final BindingSet bindings = tqr.next(); // assert expected value assertEquals(expected, bindings.getBinding("substring").getValue()); } } finally { tqr.close(); } }
Example 5
Source File: TestTicket632.java From database with GNU General Public License v2.0 | 6 votes |
private void executeQuery(final URI serviceUri, final SailRepository repo) throws RepositoryException, MalformedQueryException, QueryEvaluationException, RDFParseException, IOException, RDFHandlerException { try { repo.initialize(); final RepositoryConnection conn = repo.getConnection(); final ValueFactory vf = conn.getValueFactory(); conn.setAutoCommit(false); try { final String query = "SELECT ?x { SERVICE <" + serviceUri.stringValue() + "> { ?x <u:1> ?bool1 } }"; final TupleQuery q = conn.prepareTupleQuery(QueryLanguage.SPARQL, query); q.setBinding("bool1", vf.createLiteral(true)); final TupleQueryResult tqr = q.evaluate(); try { tqr.hasNext(); } finally { tqr.close(); } } finally { conn.close(); } } finally { repo.shutDown(); } }
Example 6
Source File: TestNoExceptions.java From database with GNU General Public License v2.0 | 6 votes |
private void executeQuery(final SailRepository repo, final String query) throws RepositoryException, MalformedQueryException, QueryEvaluationException, RDFParseException, IOException, RDFHandlerException { try { repo.initialize(); final RepositoryConnection conn = repo.getConnection(); conn.setAutoCommit(false); try { final ValueFactory vf = conn.getValueFactory(); conn.commit(); TupleQuery tq = conn.prepareTupleQuery(QueryLanguage.SPARQL, query); TupleQueryResult tqr = tq.evaluate(); tqr.close(); } finally { conn.close(); } } finally { repo.shutDown(); } }
Example 7
Source File: CustomSesameDataset.java From GeoTriples with Apache License 2.0 | 5 votes |
public void remove(Resource s, URI p, Value o, Resource... context) { try { RepositoryConnection con = currentRepository.getConnection(); try { ValueFactory myFactory = con.getValueFactory(); Statement st = myFactory.createStatement((Resource) s, p, (Value) o); con.remove(st, context); } finally { con.close(); } } catch (Exception e) { // handle exception } }
Example 8
Source File: SesameTransformationInjectRouteSensor.java From trainbenchmark with Eclipse Public License 1.0 | 5 votes |
@Override public void activate(final Collection<SesameRouteSensorInjectMatch> matches) throws RepositoryException { final RepositoryConnection connection = driver.getConnection(); final ValueFactory vf = connection.getValueFactory(); final List<Statement> statementsToRemove = new ArrayList<>(matches.size()); final URI requires = vf.createURI(BASE_PREFIX + ModelConstants.REQUIRES); for (final SesameRouteSensorInjectMatch match : matches) { final Statement statement = vf.createStatement(match.getRoute(), requires, match.getSensor()); statementsToRemove.add(statement); } connection.remove(statementsToRemove); }
Example 9
Source File: CustomSesameDataset.java From GeoTriples with Apache License 2.0 | 5 votes |
/** * BNode factory * * @return */ public BNode bnode() { try { RepositoryConnection con = currentRepository.getConnection(); try { ValueFactory vf = con.getValueFactory(); return vf.createBNode(); } finally { con.close(); } } catch (Exception e) { e.printStackTrace(); return null; } }
Example 10
Source File: CustomSesameDataset.java From GeoTriples with Apache License 2.0 | 5 votes |
/** * URIref factory * * @param uri * @return */ public URI URIref(String uri) { try { RepositoryConnection con = currentRepository.getConnection(); try { ValueFactory vf = con.getValueFactory(); return vf.createURI(uri); } finally { con.close(); } } catch (Exception e) { e.printStackTrace(); return null; } }
Example 11
Source File: TestTicket348.java From database with GNU General Public License v2.0 | 5 votes |
private void executeTest(final SailRepository repo) throws RepositoryException, MalformedQueryException, QueryEvaluationException, RDFParseException, RDFHandlerException, IOException { try { repo.initialize(); final RepositoryConnection conn = repo.getConnection(); try { conn.setAutoCommit(false); final ValueFactory vf = conn.getValueFactory(); final URI uri = vf.createURI("os:/elem/example"); // run a query which looks for a statement and then adds it if it is not found. addDuringQueryExec(conn, uri, RDF.TYPE, vf.createURI("os:class/Clazz")); // now try to export the statements. final RepositoryResult<Statement> stats = conn.getStatements(null, null, null, false); try { // materialize the newly added statement. stats.next(); } catch (RuntimeException e) { fail(e.getLocalizedMessage(), e); // With Bigdata this fails } finally { stats.close(); } conn.rollback(); // discard the result (or commit, but do something to avoid a logged warning from Sesame). } finally { conn.close(); } } finally { repo.shutDown(); } }
Example 12
Source File: TestTicket355.java From database with GNU General Public License v2.0 | 5 votes |
private void executeQuery(final SailRepository repo) throws RepositoryException, MalformedQueryException, QueryEvaluationException, RDFParseException, IOException, RDFHandlerException { try { repo.initialize(); final RepositoryConnection conn = repo.getConnection(); conn.setAutoCommit(false); try { final ValueFactory vf = conn.getValueFactory(); conn.add(vf.createURI("os:subject"), vf.createURI("os:prop"), vf.createLiteral("value")); conn.commit(); String query = "SELECT ?subj WHERE { " + "?subj <os:prop> ?val . " + "FILTER(STR(?val) != ?arg)}"; TupleQuery tq = conn.prepareTupleQuery(QueryLanguage.SPARQL, query); tq.setBinding("arg", vf.createLiteral("notValue")); TupleQueryResult tqr = tq.evaluate(); assertTrue(tqr.hasNext()); tqr.close(); } finally { conn.close(); } } finally { repo.shutDown(); } }
Example 13
Source File: TestTicket276.java From database with GNU General Public License v2.0 | 5 votes |
private void executeQuery(final SailRepository repo) throws RepositoryException, MalformedQueryException, QueryEvaluationException, RDFParseException, IOException, RDFHandlerException { try { repo.initialize(); final RepositoryConnection conn = repo.getConnection(); conn.setAutoCommit(false); try { final ValueFactory vf = conn.getValueFactory(); addData(conn); conn.commit(); final String query = "SELECT ?x { ?x ?a ?t . ?x ?lookup ?l }"; final TupleQuery q = conn.prepareTupleQuery(QueryLanguage.SPARQL, query); q.setBinding( "a", vf.createURI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type")); q.setBinding("t", vf.createURI("os:class/Location")); q.setBinding("lookup", vf.createURI("os:prop/lookupName")); q.setBinding("l", vf.createLiteral("amsterdam")); final TupleQueryResult tqr = q.evaluate(); while (tqr.hasNext()) { final Set<String> bindingNames = tqr.next() .getBindingNames(); if (log.isInfoEnabled()) log.info("bindingNames=" + bindingNames); } tqr.close(); } finally { conn.close(); } } finally { repo.shutDown(); } }
Example 14
Source File: TestTicket353.java From database with GNU General Public License v2.0 | 5 votes |
private void executeQuery(final SailRepository repo) throws RepositoryException, MalformedQueryException, QueryEvaluationException, RDFParseException, IOException, RDFHandlerException { try { repo.initialize(); final RepositoryConnection conn = repo.getConnection(); conn.setAutoCommit(false); try { final ValueFactory vf = conn.getValueFactory(); conn.add(vf.createURI("os:subject"), vf.createURI("os:prop"), vf.createLiteral("value")); conn.commit(); String query = "SELECT ?b { {} union { ?a ?b ?c } }" ; TupleQuery tq = conn.prepareTupleQuery(QueryLanguage.SPARQL, query); TupleQueryResult tqr = tq.evaluate(); assertTrue(tqr.hasNext()); while (tqr.hasNext()) { System.err.println(tqr.next()); } tqr.close(); } finally { conn.close(); } } finally { repo.shutDown(); } }
Example 15
Source File: StressTest_ClosedByInterrupt_RW.java From database with GNU General Public License v2.0 | 5 votes |
private void doDelete(final RepositoryConnection conn, final int loop, final int index) throws RepositoryException { final ValueFactory vf = conn.getValueFactory(); final URI context = vf.createURI("context:loop:" + loop + ":item:" + index); final Collection<Statement> statements = getStatementsForContext(conn, context); for (Statement statement : statements) { conn.remove(statement, context); } }
Example 16
Source File: StressTest_ClosedByInterrupt_RW.java From database with GNU General Public License v2.0 | 5 votes |
private void doInsert(final RepositoryConnection conn, final int loop, final int index) throws RepositoryException { final ValueFactory vf = conn.getValueFactory(); final URI c = vf.createURI("context:loop:" + loop + ":item:" + index); final URI s = vf.createURI("subject:loop:" + loop + ":item:" + index); for (int x = 0; x < NUM_STATEMENTS_PER_INSERT; ++x) { final URI p = vf.createURI("predicate:" + x); final Literal o = vf.createLiteral("SomeValue"); conn.add(s, p, o, c); } }
Example 17
Source File: TestTicket967.java From database with GNU General Public License v2.0 | 5 votes |
private void executeTest(final SailRepository repo) throws RepositoryException, MalformedQueryException, QueryEvaluationException, RDFParseException, RDFHandlerException, IOException { try { repo.initialize(); final RepositoryConnection conn = repo.getConnection(); try { conn.setAutoCommit(false); final ValueFactory vf = conn.getValueFactory(); final URI uri = vf.createURI("os:/elem/example"); // run a query which looks for a statement and then adds it if it is not found. addDuringQueryExec(conn, uri, RDF.TYPE, vf.createURI("os:class/Clazz")); // now try to export the statements. final RepositoryResult<Statement> stats = conn.getStatements(null, null, null, false); try { // materialize the newly added statement. stats.next(); } catch (RuntimeException e) { fail(e.getLocalizedMessage(), e); // With Bigdata this fails } finally { stats.close(); } conn.rollback(); // discard the result (or commit, but do something to avoid a logged warning from Sesame). } finally { conn.close(); } } finally { repo.shutDown(); } }
Example 18
Source File: TestTicket4249.java From database with GNU General Public License v2.0 | 4 votes |
public void testBug() throws Exception { final BigdataSail sail = getSail(); try { BigdataSailRepository repo = new BigdataSailRepository(sail); try { repo.initialize(); final RepositoryConnection conn = repo.getConnection(); conn.setAutoCommit(false); ValueFactory vf = conn.getValueFactory(); try { conn.add(getClass().getResourceAsStream("TestTicket2043.n3"), "", RDFFormat.TURTLE); conn.commit(); executeQuery(conn, "123", -1, 2, ""); executeQuery(conn, "123", 0, 2, "1"); executeQuery(conn, "123", 1, 2, "12"); executeQuery(conn, "123", 1, 2, "12"); executeQuery(conn, "123", 100, 1, ""); executeQuery(conn, "12345", 1.5, 2.6, "234"); executeQuery(conn, "12345", 0, 3, "12"); executeQuery(conn, "12345", 0d/0d, 3, ""); executeQuery(conn, "12345", 1, 0d/0d, ""); executeQuery(conn, "12345", -42, 1d/0d, "12345"); executeQuery(conn, "12345", -1d/0d, 2d/0d, ""); executeQuery(conn, vf.createLiteral("foobar"), 4, vf.createLiteral("bar")); executeQuery(conn, vf.createLiteral("foobar","en"), 4, vf.createLiteral("bar", "en")); executeQuery(conn, vf.createLiteral("foobar", XMLSchema.STRING), 4, vf.createLiteral("bar", XMLSchema.STRING)); executeQuery(conn, vf.createLiteral("foobar"), 4, 1, vf.createLiteral("b")); executeQuery(conn, vf.createLiteral("foobar", "en"), 4, 1, vf.createLiteral("b", "en")); executeQuery(conn, vf.createLiteral("foobar", XMLSchema.STRING), 4, 1, vf.createLiteral("b", XMLSchema.STRING)); } finally { conn.close(); } } finally { repo.shutDown(); } } finally { sail.__tearDownUnitTest(); } }
Example 19
Source File: RDFList.java From anno4j with Apache License 2.0 | 4 votes |
ValueFactory getValueFactory() { RepositoryConnection conn = getObjectConnection(); return conn.getValueFactory(); }