Java Code Examples for org.openrdf.model.ValueFactory#createLiteral()
The following examples show how to use
org.openrdf.model.ValueFactory#createLiteral() .
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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: SesameTransformationInjectPosLength.java From trainbenchmark with Eclipse Public License 1.0 | 6 votes |
|
@Override
public void activate(final Collection<SesamePosLengthInjectMatch> matches) throws RepositoryException {
final RepositoryConnection con = driver.getConnection();
final ValueFactory vf = driver.getValueFactory();
final URI typeURI = vf.createURI(BASE_PREFIX + ModelConstants.LENGTH);
final Literal zeroLiteral = vf.createLiteral(0);
for (final SesamePosLengthInjectMatch match : matches) {
final URI segment = match.getSegment();
final RepositoryResult<Statement> statementsToRemove = con.getStatements(segment, typeURI, null, true);
con.remove(statementsToRemove);
con.add(segment, typeURI, zeroLiteral);
}
}
Example 3
| Source File: WriteStatementsKnowledgeStore.java From EventCoreference with Apache License 2.0 | 6 votes |
|
static public org.openrdf.model.Statement castJenaOpenRdf(com.hp.hpl.jena.rdf.model.Statement jenaStatement, String modelName) {
org.openrdf.model.Statement statement = null;
try {
ValueFactory valueFactory = ValueFactoryImpl.getInstance();
URI modelURI = valueFactory.createURI(modelName);
URI subject = valueFactory.createURI(jenaStatement.getSubject().getURI());
URI sem = valueFactory.createURI(jenaStatement.getPredicate().getURI());
if (jenaStatement.getObject().isLiteral()) {
Literal objectLiteral = valueFactory.createLiteral(jenaStatement.getObject().toString());
statement = valueFactory.createStatement(subject, sem, objectLiteral, modelURI);
}
else {
URI objectUri = valueFactory.createURI(jenaStatement.getObject().asResource().getURI());
statement = valueFactory.createStatement(subject, sem, objectUri, modelURI);
}
} catch (Exception e) {
System.out.println("jenaStatement.toString() = " + jenaStatement.toString());
e.printStackTrace();
}
return statement;
}
Example 4
| Source File: SesameTransformationInjectConnectedSegments.java From trainbenchmark with Eclipse Public License 1.0 | 5 votes |
|
@Override
public void activate(final Collection<SesameConnectedSegmentsInjectMatch> matches) throws Exception {
final RepositoryConnection connection = driver.getConnection();
final ValueFactory vf = driver.getValueFactory();
final URI length = vf.createURI(BASE_PREFIX + LENGTH);
final URI connectsTo = vf.createURI(BASE_PREFIX + CONNECTS_TO);
final URI monitoredBy = vf.createURI(BASE_PREFIX + MONITORED_BY);
final URI segmentType = vf.createURI(BASE_PREFIX + SEGMENT);
final Literal lengthLiteral = vf.createLiteral(TrainBenchmarkConstants.DEFAULT_SEGMENT_LENGTH);
for (final SesameConnectedSegmentsInjectMatch match : matches) {
// create (segment2) node
final Long newVertexId = driver.generateNewVertexId();
final URI segment2 = vf.createURI(BASE_PREFIX + ID_PREFIX + newVertexId);
connection.add(segment2, RDF.TYPE, segmentType);
connection.add(segment2, length, lengthLiteral);
// (segment1)-[:connectsTo]->(segment2)
connection.add(match.getSegment1(), connectsTo, segment2);
// (segment2)-[:connectsTo]->(segment3)
connection.add(segment2, connectsTo, match.getSegment3());
// (segment2)-[:monitoredBy]->(sensor)
connection.add(segment2, monitoredBy, match.getSensor());
// remove (segment1)-[:connectsTo]->(segment3)
connection.remove(match.getSegment1(), connectsTo, match.getSegment3());
}
}
Example 5
| Source File: InterceptTest.java From anno4j with Apache License 2.0 | 5 votes |
|
public void testIllegalArgument() throws Exception {
IConcept concept = con.addDesignation(
con.getObject("urn:test:concept"), IConcept.class);
ValueFactory vf = con.getValueFactory();
Resource subj = concept.getResource();
URI pred = vf.createURI("urn:test:date");
Literal lit = vf.createLiteral("noon", XMLSchema.DATETIME);
con.add(subj, pred, lit);
try {
concept.getDate();
fail();
} catch (IllegalArgumentException e) {
assertTrue(e.getMessage().contains("noon"));
}
}
Example 6
| Source File: InterceptTest.java From anno4j with Apache License 2.0 | 5 votes |
|
public void testCatchIllegalArgument() throws Exception {
IConcept concept = con.addDesignation(
con.getObject("urn:test:concept"), IConcept.class);
ValueFactory vf = con.getValueFactory();
Resource subj = concept.getResource();
URI pred = vf.createURI("urn:test:time");
Literal lit = vf.createLiteral("noon", XMLSchema.DATETIME);
con.add(subj, pred, lit);
XMLGregorianCalendar zero = DatatypeFactory.newInstance().newXMLGregorianCalendar();
assertEquals(zero, concept.getTime());
}
Example 7
| Source File: EntityStateSerializer.java From attic-polygene-java with Apache License 2.0 | 5 votes |
|
private void serializeProperty( PropertyDescriptor persistentProperty, Object property,
Resource subject, Graph graph,
boolean includeNonQueryable )
{
if( !( includeNonQueryable || persistentProperty.queryable() ) )
{
return; // Skip non-queryable
}
ValueType valueType = persistentProperty.valueType();
final ValueFactory valueFactory = graph.getValueFactory();
String propertyURI = persistentProperty.qualifiedName().toURI();
URI predicate = valueFactory.createURI( propertyURI );
String baseURI = propertyURI.substring( 0, propertyURI.indexOf( '#' ) ) + "/";
if( valueType instanceof ValueCompositeType )
{
serializeValueComposite( subject, predicate, (ValueComposite) property, valueType,
graph, baseURI, includeNonQueryable );
}
else
{
String stringProperty = serializer.serialize( Serializer.Options.NO_TYPE_INFO, property );
final Literal object = valueFactory.createLiteral( stringProperty );
graph.add( subject, predicate, object );
}
}
Example 8
| Source File: UUIDLiteralIV.java From database with GNU General Public License v2.0 | 4 votes |
|
@SuppressWarnings("unchecked")
public V asValue(final LexiconRelation lex) {
V v = getValueCache();
if (v == null) {
final ValueFactory f = lex.getValueFactory();
v = (V) f.createLiteral(value.toString(), DTE.UUID.getDatatypeURI());
v.setIV(this);
setValue(v);
}
return v;
}
Example 9
| Source File: ConversionUtil.java From semweb4j with BSD 2-Clause "Simplified" License | 4 votes |
|
public static org.openrdf.model.Literal toOpenRDF(String string, ValueFactory factory) {
return string == null ? null : factory.createLiteral(string);
}
Example 10
| Source File: TestMaterialization.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testXsdStr() throws Exception {
final BigdataSail sail = getSail();
try {
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final RepositoryConnection cxn = repo.getConnection();
try {
cxn.setAutoCommit(false);
final ValueFactory vf = sail.getValueFactory();
/*
* Create some terms.
*/
final URI X = vf.createURI(BD.NAMESPACE + "X");
final Literal label = vf.createLiteral("John");
/*
* Create some statements.
*/
cxn.add(X, RDF.TYPE, RDFS.RESOURCE);
cxn.add(X, RDFS.LABEL, label);
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
cxn.commit();
if (log.isInfoEnabled()) {
log.info(((BigdataSailRepositoryConnection) cxn).getTripleStore().dumpStore());
}
{
String query =
"select * where { ?s ?p ?o . FILTER (xsd:string(?o) = \""+RDF.PROPERTY+"\"^^xsd:string) }";
final SailTupleQuery tupleQuery = (SailTupleQuery)
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
tupleQuery.setIncludeInferred(true /* includeInferred */);
if (log.isInfoEnabled()) {
log.info(query);
final TupleQueryResult result = tupleQuery.evaluate();
if (result.hasNext()) {
while (result.hasNext())
log.info(result.next());
} else {
fail("expecting result from the vocab");
}
}
// final Collection<BindingSet> answer = new LinkedList<BindingSet>();
// answer.add(createBindingSet(
// new BindingImpl("a", paul),
// new BindingImpl("b", mary)
// ));
// answer.add(createBindingSet(
// new BindingImpl("a", brad),
// new BindingImpl("b", john)
// ));
//
// final TupleQueryResult result = tupleQuery.evaluate();
// compare(result, answer);
}
} finally {
cxn.close();
}
} finally {
if (sail instanceof BigdataSail)
((BigdataSail)sail).__tearDownUnitTest();//shutDown();
}
}
Example 11
| Source File: ConversionUtil.java From semweb4j with BSD 2-Clause "Simplified" License | 4 votes |
|
public static org.openrdf.model.Literal toOpenRDF(PlainLiteral literal, ValueFactory factory) {
return literal == null ? null : factory.createLiteral(literal.getValue());
}
Example 12
| Source File: TestMaterialization.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testRegex() throws Exception {
final BigdataSail sail = getSail();
try {
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final RepositoryConnection cxn = repo.getConnection();
try {
cxn.setAutoCommit(false);
final ValueFactory vf = sail.getValueFactory();
/*
* Create some terms.
*/
final URI X = vf.createURI(BD.NAMESPACE + "X");
final Literal label = vf.createLiteral("John");
/*
* Create some statements.
*/
cxn.add(X, RDF.TYPE, RDFS.RESOURCE);
cxn.add(X, RDFS.LABEL, label);
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
cxn.commit();
if (log.isInfoEnabled()) {
log.info(((BigdataSailRepositoryConnection) cxn).getTripleStore().dumpStore());
}
{
final String query =
"select * where { ?s ?p ?o . FILTER (regex(?o,\"John\",\"i\")) }";
final SailTupleQuery tupleQuery = (SailTupleQuery)
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
tupleQuery.setIncludeInferred(true /* includeInferred */);
if (log.isInfoEnabled()) {
log.info(query);
final TupleQueryResult result = tupleQuery.evaluate();
while (result.hasNext()) {
log.info(result.next());
}
}
// final Collection<BindingSet> answer = new LinkedList<BindingSet>();
// answer.add(createBindingSet(
// new BindingImpl("a", paul),
// new BindingImpl("b", mary)
// ));
// answer.add(createBindingSet(
// new BindingImpl("a", brad),
// new BindingImpl("b", john)
// ));
//
// final TupleQueryResult result = tupleQuery.evaluate();
// compare(result, answer);
}
} finally {
cxn.close();
}
} finally {
if (sail instanceof BigdataSail)
((BigdataSail)sail).__tearDownUnitTest();//shutDown();
}
}
Example 13
| Source File: TestBOps.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testSimpleConstraint() throws Exception {
final BigdataSail sail = getSail();
try {
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final BigdataSailRepositoryConnection cxn =
(BigdataSailRepositoryConnection) repo.getConnection();
cxn.setAutoCommit(false);
try {
final ValueFactory vf = sail.getValueFactory();
final String ns = BD.NAMESPACE;
final URI jill = new URIImpl(ns+"Jill");
final URI jane = new URIImpl(ns+"Jane");
final URI person = new URIImpl(ns+"Person");
final URI age = new URIImpl(ns+"age");
final URI IQ = new URIImpl(ns+"IQ");
final Literal l1 = new LiteralImpl("Jill");
final Literal l2 = new LiteralImpl("Jane");
final Literal age1 = vf.createLiteral(20);
final Literal age2 = vf.createLiteral(30);
final Literal IQ1 = vf.createLiteral(130);
final Literal IQ2 = vf.createLiteral(140);
/**/
cxn.setNamespace("ns", ns);
cxn.add(jill, RDF.TYPE, person);
cxn.add(jill, RDFS.LABEL, l1);
cxn.add(jill, age, age1);
cxn.add(jill, IQ, IQ1);
cxn.add(jane, RDF.TYPE, person);
cxn.add(jane, RDFS.LABEL, l2);
cxn.add(jane, age, age2);
cxn.add(jane, IQ, IQ2);
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
cxn.flush();//commit();
cxn.commit();//
if (log.isInfoEnabled()) {
log.info("\n" + cxn.getTripleStore().dumpStore());
}
{
final String query =
"PREFIX rdf: <"+RDF.NAMESPACE+"> " +
"PREFIX rdfs: <"+RDFS.NAMESPACE+"> " +
"PREFIX ns: <"+ns+"> " +
"select * " +
"WHERE { " +
" ?s rdf:type ns:Person . " +
" ?s ns:age ?age . " +
" ?s ns:IQ ?iq . " +
" ?s rdfs:label ?label . " +
" FILTER( ?age < 25 && ?iq > 125 ) . " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
final TupleQueryResult result = tupleQuery.evaluate();
// while (result.hasNext()) {
// System.err.println(result.next());
// }
final Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", jill),
new BindingImpl("age", age1),
new BindingImpl("iq", IQ1),
new BindingImpl("label", l1)
}));
compare(result, solution);
}
} finally {
cxn.close();
}
} finally {
sail.__tearDownUnitTest();
}
}
Example 14
| Source File: TestInlineValues.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testInlineValuesLT() throws Exception {
final BigdataSail sail = getSail();
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final BigdataSailRepositoryConnection cxn =
(BigdataSailRepositoryConnection) repo.getConnection();
cxn.setAutoCommit(false);
try {
final ValueFactory vf = sail.getValueFactory();
URI A = vf.createURI("_:A");
URI B = vf.createURI("_:B");
URI X = vf.createURI("_:X");
URI AGE = vf.createURI("_:AGE");
Literal _25 = vf.createLiteral(25);
Literal _45 = vf.createLiteral(45);
cxn.add(A, RDF.TYPE, X);
cxn.add(B, RDF.TYPE, X);
cxn.add(A, AGE, _25);
cxn.add(B, AGE, _45);
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
cxn.flush();//commit();
if (log.isInfoEnabled()) {
log.info(cxn.getTripleStore().dumpStore());
}
{
String query =
"select ?s ?age " +
"WHERE { " +
" ?s <"+RDF.TYPE+"> <"+X+"> . " +
" ?s <"+AGE+"> ?age . " +
" FILTER( ?age < 35 ) . " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
TupleQueryResult result = tupleQuery.evaluate();
Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", A),
new BindingImpl("age", _25)
}));
compare(result, solution);
}
} finally {
cxn.close();
sail.__tearDownUnitTest();
}
}
Example 15
| Source File: TestSesameFilters.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testRegex() throws Exception {
// final Sail sail = new MemoryStore();
// sail.initialize();
// final Repository repo = new SailRepository(sail);
final BigdataSail sail = getSail();
sail.initialize();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
final RepositoryConnection cxn = repo.getConnection();
cxn.setAutoCommit(false);
try {
final ValueFactory vf = sail.getValueFactory();
/*
* Create some terms.
*/
final URI mike = vf.createURI(BD.NAMESPACE + "mike");
final URI bryan = vf.createURI(BD.NAMESPACE + "bryan");
final URI person = vf.createURI(BD.NAMESPACE + "Person");
final Literal l1 = vf.createLiteral("mike personick");
final Literal l2 = vf.createLiteral("bryan thompson");
/*
* Create some statements.
*/
cxn.add(mike, RDF.TYPE, person);
cxn.add(mike, RDFS.LABEL, l1);
cxn.add(bryan, RDF.TYPE, person);
cxn.add(bryan, RDFS.LABEL, l2);
/*
* Note: The either flush() or commit() is required to flush the
* statement buffers to the database before executing any operations
* that go around the sail.
*/
cxn.commit();
{
String query =
"prefix bd: <"+BD.NAMESPACE+"> " +
"prefix rdf: <"+RDF.NAMESPACE+"> " +
"prefix rdfs: <"+RDFS.NAMESPACE+"> " +
"select * " +
"where { " +
" ?s rdf:type bd:Person . " +
" ?s rdfs:label ?label . " +
" FILTER regex(?label, \"mike\") . " +
"}";
final SailTupleQuery tupleQuery = (SailTupleQuery)
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
tupleQuery.setIncludeInferred(false /* includeInferred */);
final Collection<BindingSet> answer = new LinkedList<BindingSet>();
answer.add(createBindingSet(
new BindingImpl("s", mike),
new BindingImpl("label", l1)
));
final TupleQueryResult result = tupleQuery.evaluate();
compare(result, answer);
}
} finally {
cxn.close();
sail.shutDown();
}
}
Example 16
| Source File: ConversionUtil.java From semweb4j with BSD 2-Clause "Simplified" License | 4 votes |
|
public static org.openrdf.model.Literal toOpenRDF(DatatypeLiteral literal, ValueFactory factory) {
return literal == null ? null : factory.createLiteral(literal.getValue(),
toOpenRDF(literal.getDatatype(), factory));
}
Example 17
| Source File: TestSingleTailRule.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testOptionalFilter()
throws Exception
{
final BigdataSail sail = getSail();
final BigdataSailRepository repo = new BigdataSailRepository(sail);
// final Sail sail = new MemoryStore();
// final Repository repo = new SailRepository(sail);
repo.initialize();
final RepositoryConnection cxn = repo.getConnection();
cxn.setAutoCommit(false);
try {
final ValueFactory vf = sail.getValueFactory();
URI s = vf.createURI("urn:test:s");
URI p1 = vf.createURI("urn:test:p1");
URI p2 = vf.createURI("urn:test:p2");
Literal v1 = vf.createLiteral(1);
Literal v2 = vf.createLiteral(2);
Literal v3 = vf.createLiteral(3);
cxn.add(s, p1, v1);
cxn.add(s, p2, v2);
cxn.add(s, p1, v3);
cxn.commit();
String qry =
"PREFIX :<urn:test:> " +
"SELECT ?s ?v1 ?v2 " +
"WHERE { " +
" ?s :p1 ?v1 . " +
" OPTIONAL {?s :p2 ?v2 FILTER(?v1 < 3) } " +
"}";
TupleQuery query = cxn.prepareTupleQuery(QueryLanguage.SPARQL, qry);
TupleQueryResult result = query.evaluate();
// while (result.hasNext()) {
// System.err.println(result.next());
// }
Collection<BindingSet> solution = new LinkedList<BindingSet>();
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", s),
new BindingImpl("v1", v1),
new BindingImpl("v2", v2),
}));
solution.add(createBindingSet(new Binding[] {
new BindingImpl("s", s),
new BindingImpl("v1", v3),
}));
compare(result, solution);
} finally {
cxn.close();
if (sail instanceof BigdataSail)
((BigdataSail)sail).__tearDownUnitTest();
}
}
Example 18
| Source File: TestBOpUtility.java From database with GNU General Public License v2.0 | 4 votes |
|
public void testOpenWorldEq() throws Exception {
final Sail sail = new MemoryStore();
final Repository repo = new SailRepository(sail);
repo.initialize();
final RepositoryConnection cxn = repo.getConnection();
try {
final ValueFactory vf = sail.getValueFactory();
final URI mike = vf.createURI(BD.NAMESPACE + "mike");
final URI age = vf.createURI(BD.NAMESPACE + "age");
final Literal mikeAge = vf.createLiteral(34);
cxn.add(vf.createStatement(mike, RDF.TYPE, RDFS.RESOURCE));
cxn.add(vf.createStatement(mike, age, mikeAge));
final String query =
"select * " +
"where { " +
" ?s ?p ?o . " +
" filter (?o < 40) " +
"}";
final TupleQuery tupleQuery =
cxn.prepareTupleQuery(QueryLanguage.SPARQL, query);
final TupleQueryResult result = tupleQuery.evaluate();
while (result.hasNext()) {
final BindingSet tmp = result.next();
if(log.isInfoEnabled())
log.info(tmp.toString());
}
} finally {
cxn.close();
repo.shutDown();
}
}
Example 19
| Source File: ConversionUtil.java From semweb4j with BSD 2-Clause "Simplified" License | 4 votes |
|
public static org.openrdf.model.Literal toOpenRDF(LanguageTagLiteral literal,
ValueFactory factory) {
return literal == null ? null : factory.createLiteral(literal.getValue(),
literal.getLanguageTag());
}
Example 20
| Source File: TestEquals.java From database with GNU General Public License v2.0 | 3 votes |
|
private Literal createLiteral(ValueFactory f, final String label,
final URI datatype, final String languageCode) {
if (datatype == null && languageCode == null)
return f.createLiteral(label);
if (datatype == null)
return f.createLiteral(label, languageCode);
return f.createLiteral(label, datatype);
}
