Java Code Examples for com.hp.hpl.jena.rdf.model.ModelFactory#createDefaultModel()
The following examples show how to use
com.hp.hpl.jena.rdf.model.ModelFactory#createDefaultModel() .
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Example 1
| Source File: CQELSAarhusPollutionStream.java From Benchmark with GNU General Public License v3.0 | 6 votes |
|
@Override
protected List<Statement> getStatements(SensorObservation so) {
Model m = ModelFactory.createDefaultModel();
if (ed != null)
for (String s : ed.getPayloads()) {
Resource observation = m
.createResource(RDFFileManager.defaultPrefix + so.getObId() + UUID.randomUUID());
// so.setObId(RDFFileManager.defaultPrefix + observation.toString());
CityBench.obMap.put(observation.toString(), so);
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
Resource serviceID = m.createResource(ed.getServiceId());
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(s.split("\\|")[2]));
Property hasValue = m.createProperty(RDFFileManager.saoPrefix + "hasValue");
observation.addLiteral(hasValue, ((PollutionObservation) so).getApi());
}
return m.listStatements().toList();
}
Example 2
| Source File: DataWrapper.java From Benchmark with GNU General Public License v3.0 | 6 votes |
|
public static List<Statement> getAarhusWeatherStatements(SensorObservation wo, EventDeclaration ed) {
Model m = ModelFactory.createDefaultModel();
if (ed != null)
for (String s : ed.getPayloads()) {
Resource observation = m
.createResource(RDFFileManager.defaultPrefix + wo.getObId() + UUID.randomUUID());
// wo.setObId(observation.toString());
CityBench.obMap.put(observation.toString(), wo);
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
Resource serviceID = m.createResource(ed.getServiceId());
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(s.split("\\|")[2]));
Property hasValue = m.createProperty(RDFFileManager.saoPrefix + "hasValue");
if (s.contains("Temperature"))
observation.addLiteral(hasValue, ((WeatherObservation) wo).getTemperature());
else if (s.toString().contains("Humidity"))
observation.addLiteral(hasValue, ((WeatherObservation) wo).getHumidity());
else if (s.toString().contains("WindSpeed"))
observation.addLiteral(hasValue, ((WeatherObservation) wo).getWindSpeed());
}
return m.listStatements().toList();
}
Example 3
| Source File: ResourceBuilder.java From LodView with MIT License | 6 votes |
|
public String buildRDFResource(String IRI, Model m, Lang lang, ConfigurationBean conf) throws Exception {
String result = "empty content";
Model model = ModelFactory.createDefaultModel();
model.setNsPrefixes(conf.getPrefixes());
SPARQLEndPoint se = new SPARQLEndPoint(conf, null, null);
model = se.extractLocalData(model, IRI, m, conf.getDefaultRawDataQueries());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
RDFWriter rdfWriter = model.getWriter(lang.getName());
rdfWriter.setProperty("showXMLDeclaration","true");
rdfWriter.setProperty("relativeURIs","");
rdfWriter.write(model, baos, conf.getIRInamespace());
rdfWriter.setProperty("showXMLDeclaration","true");
rdfWriter.setProperty("relativeURIs","");
byte[] resultByteArray = baos.toByteArray();
result = new String(resultByteArray);
return result;
}
Example 4
| Source File: CSPARQLAarhusWeatherStream.java From Benchmark with GNU General Public License v3.0 | 6 votes |
|
@Override
protected List<Statement> getStatements(SensorObservation wo) throws NumberFormatException, IOException {
Model m = ModelFactory.createDefaultModel();
if (ed != null)
for (String s : ed.getPayloads()) {
Resource observation = m
.createResource(RDFFileManager.defaultPrefix + wo.getObId() + UUID.randomUUID());
// wo.setObId(observation.toString());
CityBench.obMap.put(observation.toString(), wo);
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
Resource serviceID = m.createResource(ed.getServiceId());
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(s.split("\\|")[2]));
Property hasValue = m.createProperty(RDFFileManager.saoPrefix + "hasValue");
if (s.contains("Temperature"))
observation.addLiteral(hasValue, ((WeatherObservation) wo).getTemperature());
else if (s.toString().contains("Humidity"))
observation.addLiteral(hasValue, ((WeatherObservation) wo).getHumidity());
else if (s.toString().contains("WindSpeed"))
observation.addLiteral(hasValue, ((WeatherObservation) wo).getWindSpeed());
}
return m.listStatements().toList();
}
Example 5
| Source File: OntologyHandler.java From dbpedia-live-mirror with GNU General Public License v3.0 | 6 votes |
|
private List<String> getRemoteOntologyTriples() {
List<String> triples = null;
try (
final ByteArrayOutputStream os = new ByteArrayOutputStream();
){
Model model = ModelFactory.createDefaultModel();
model.read(ontologyURI);
model.write(os, "N-TRIPLE");
String ontology = os.toString("UTF8");
triples = new ArrayList<>();
for (String t : ontology.split("\n")) {
triples.add(t.trim());
}
Collections.sort(triples);
} catch (Exception e) {
logger.warn("Cannot download remote ontology", e);
} finally {
return triples;
}
}
Example 6
| Source File: CSPARQLAarhusPollutionStream.java From Benchmark with GNU General Public License v3.0 | 6 votes |
|
@Override
protected List<Statement> getStatements(SensorObservation so) {
Model m = ModelFactory.createDefaultModel();
if (ed != null)
for (String s : ed.getPayloads()) {
Resource observation = m
.createResource(RDFFileManager.defaultPrefix + so.getObId() + UUID.randomUUID());
// so.setObId(RDFFileManager.defaultPrefix + observation.toString());
CityBench.obMap.put(observation.toString(), so);
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
Resource serviceID = m.createResource(ed.getServiceId());
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(s.split("\\|")[2]));
Property hasValue = m.createProperty(RDFFileManager.saoPrefix + "hasValue");
observation.addLiteral(hasValue, ((PollutionObservation) so).getApi());
}
return m.listStatements().toList();
}
Example 7
| Source File: CSPARQLAarhusTrafficStream.java From Benchmark with GNU General Public License v3.0 | 5 votes |
|
@Override
protected List<Statement> getStatements(SensorObservation data) throws NumberFormatException, IOException {
// return DataWrapper.getAarhusTrafficStatements((AarhusTrafficObservation) data, ed);
Model m = ModelFactory.createDefaultModel();
if (ed != null)
for (String pStr : ed.getPayloads()) {
// if (s.contains("EstimatedTime")) {
// Resource observedProperty = m.createResource(s);
String obId = data.getObId();
Resource observation = m.createResource(RDFFileManager.defaultPrefix + obId + UUID.randomUUID());
CityBench.obMap.put(observation.toString(), data);
// data.setObId(observation.toString());
// System.out.println("OB: " + observation.toString());
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
Resource serviceID = m.createResource(ed.getServiceId());
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(pStr.split("\\|")[2]));
Property hasValue = m.createProperty(RDFFileManager.saoPrefix + "hasValue");
// System.out.println("Annotating: " + observedProperty.toString());
if (pStr.contains("AvgSpeed"))
observation.addLiteral(hasValue, ((AarhusTrafficObservation) data).getAverageSpeed());
else if (pStr.contains("VehicleCount")) {
double value = ((AarhusTrafficObservation) data).getVehicle_count();
observation.addLiteral(hasValue, value);
} else if (pStr.contains("MeasuredTime"))
observation.addLiteral(hasValue, ((AarhusTrafficObservation) data).getAvgMeasuredTime());
else if (pStr.contains("EstimatedTime"))
observation.addLiteral(hasValue, ((AarhusTrafficObservation) data).getEstimatedTime());
else if (pStr.contains("CongestionLevel"))
observation.addLiteral(hasValue, ((AarhusTrafficObservation) data).getCongestionLevel());
// break;
// }
}
return m.listStatements().toList();
}
Example 8
| Source File: SimpleRDFJsonLDImport.java From wandora with GNU General Public License v3.0 | 5 votes |
|
@Override
public void importRDF(InputStream in, TopicMap map) {
if(in != null) {
// create an empty model
Model model = ModelFactory.createDefaultModel();
// read the RDF json-ld file
model.read(in, "", "JSON-LD");
RDF2TopicMap(model, map);
}
}
Example 9
| Source File: CQELSAarhusTrafficStream.java From Benchmark with GNU General Public License v3.0 | 5 votes |
|
@Override
protected List<Statement> getStatements(SensorObservation data) throws NumberFormatException, IOException {
// return DataWrapper.getAarhusTrafficStatements((AarhusTrafficObservation) data, ed);
Model m = ModelFactory.createDefaultModel();
if (ed != null)
for (String pStr : ed.getPayloads()) {
// if (s.contains("EstimatedTime")) {
// Resource observedProperty = m.createResource(s);
data = (AarhusTrafficObservation) data;
String obId = data.getObId();
Resource observation = m.createResource(RDFFileManager.defaultPrefix + obId + UUID.randomUUID());
CityBench.obMap.put(observation.toString(), data);
// data.setObId(observation.toString());
// System.out.println("OB: " + observation.toString());
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
Resource serviceID = m.createResource(ed.getServiceId());
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(pStr.split("\\|")[2]));
Property hasValue = m.createProperty(RDFFileManager.saoPrefix + "hasValue");
// System.out.println("Annotating: " + observedProperty.toString());
if (pStr.contains("AvgSpeed"))
observation.addLiteral(hasValue, ((AarhusTrafficObservation) data).getAverageSpeed());
else if (pStr.contains("VehicleCount")) {
double value = ((AarhusTrafficObservation) data).getVehicle_count();
observation.addLiteral(hasValue, value);
} else if (pStr.contains("MeasuredTime"))
observation.addLiteral(hasValue, ((AarhusTrafficObservation) data).getAvgMeasuredTime());
else if (pStr.contains("EstimatedTime"))
observation.addLiteral(hasValue, ((AarhusTrafficObservation) data).getEstimatedTime());
else if (pStr.contains("CongestionLevel"))
observation.addLiteral(hasValue, ((AarhusTrafficObservation) data).getCongestionLevel());
// break;
// }
}
return m.listStatements().toList();
}
Example 10
| Source File: DataWrapper.java From Benchmark with GNU General Public License v3.0 | 5 votes |
|
public static List<Statement> getUserLocationStatements(SensorObservation so, EventDeclaration ed) {
String userStr = so.getFoi();
String coordinatesStr = so.getValue().toString();
Model m = ModelFactory.createDefaultModel();
double lat = Double.parseDouble(coordinatesStr.split(",")[0]);
double lon = Double.parseDouble(coordinatesStr.split(",")[1]);
Resource serviceID = m.createResource(ed.getServiceId());
//
// Resource user = m.createResource(userStr);
Resource observation = m.createResource(RDFFileManager.defaultPrefix + so.getObId() + UUID.randomUUID());
CityBench.obMap.put(observation.toString(), so);
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
// observation.addProperty(RDF.type, m.createResource(RDFFileManager.saoPrefix + "StreamData"));
// location.addProperty(RDF.type, m.createResource(RDFFileManager.ctPrefix + "Location"));
Resource coordinates = m.createResource();
coordinates.addLiteral(m.createProperty(RDFFileManager.ctPrefix + "hasLatitude"), lat);
coordinates.addLiteral(m.createProperty(RDFFileManager.ctPrefix + "hasLongitude"), lon);
// observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "featureOfInterest"), user);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(ed.getPayloads().get(0).split("\\|")[2]));
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
// fake fixed foi
observation
.addProperty(
m.createProperty(RDFFileManager.ssnPrefix + "featureOfInterest"),
m.createResource("http://iot.ee.surrey.ac.uk/citypulse/datasets/aarhusculturalevents/culturalEvents_aarhus#context_do63jk2t8c3bjkfb119ojgkhs7"));
observation.addProperty(m.createProperty(RDFFileManager.saoPrefix + "hasValue"), coordinates);
// System.out.println("transformed: " + m.listStatements().toList().size());s
return m.listStatements().toList();
}
Example 11
| Source File: DataWrapper.java From Benchmark with GNU General Public License v3.0 | 5 votes |
|
public static List<Statement> getAarhusTrafficStatements(AarhusTrafficObservation data, EventDeclaration ed) {
Model m = ModelFactory.createDefaultModel();
if (ed != null)
for (String pStr : ed.getPayloads()) {
// if (s.contains("EstimatedTime")) {
// Resource observedProperty = m.createResource(s);
String obId = data.getObId();
Resource observation = m.createResource(RDFFileManager.defaultPrefix + obId + UUID.randomUUID());
CityBench.obMap.put(observation.toString(), data);
// data.setObId(observation.toString());
// System.out.println("OB: " + observation.toString());
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
Resource serviceID = m.createResource(ed.getServiceId());
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(pStr.split("\\|")[2]));
Property hasValue = m.createProperty(RDFFileManager.saoPrefix + "hasValue");
// System.out.println("Annotating: " + observedProperty.toString());
if (pStr.contains("AvgSpeed"))
observation.addLiteral(hasValue, data.getAverageSpeed());
else if (pStr.contains("VehicleCount")) {
double value = data.getVehicle_count();
observation.addLiteral(hasValue, value);
} else if (pStr.contains("MeasuredTime"))
observation.addLiteral(hasValue, data.getAvgMeasuredTime());
else if (pStr.contains("EstimatedTime"))
observation.addLiteral(hasValue, data.getEstimatedTime());
else if (pStr.contains("CongestionLevel"))
observation.addLiteral(hasValue, data.getCongestionLevel());
// break;
// }
}
return m.listStatements().toList();
// return null;
}
Example 12
| Source File: CSPARQLLocationStream.java From Benchmark with GNU General Public License v3.0 | 5 votes |
|
@Override
protected List<Statement> getStatements(SensorObservation so) throws NumberFormatException, IOException {
String userStr = so.getFoi();
String coordinatesStr = so.getValue().toString();
Model m = ModelFactory.createDefaultModel();
double lat = Double.parseDouble(coordinatesStr.split(",")[0]);
double lon = Double.parseDouble(coordinatesStr.split(",")[1]);
Resource serviceID = m.createResource(ed.getServiceId());
//
// Resource user = m.createResource(userStr);
Resource observation = m.createResource(RDFFileManager.defaultPrefix + so.getObId() + UUID.randomUUID());
CityBench.obMap.put(observation.toString(), so);
observation.addProperty(RDF.type, m.createResource(RDFFileManager.ssnPrefix + "Observation"));
// observation.addProperty(RDF.type, m.createResource(RDFFileManager.saoPrefix + "StreamData"));
// location.addProperty(RDF.type, m.createResource(RDFFileManager.ctPrefix + "Location"));
Resource coordinates = m.createResource();
coordinates.addLiteral(m.createProperty(RDFFileManager.ctPrefix + "hasLatitude"), lat);
coordinates.addLiteral(m.createProperty(RDFFileManager.ctPrefix + "hasLongitude"), lon);
// observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "featureOfInterest"), user);
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedProperty"),
m.createResource(ed.getPayloads().get(0).split("\\|")[2]));
observation.addProperty(m.createProperty(RDFFileManager.ssnPrefix + "observedBy"), serviceID);
// fake fixed foi
observation
.addProperty(
m.createProperty(RDFFileManager.ssnPrefix + "featureOfInterest"),
m.createResource("http://iot.ee.surrey.ac.uk/citypulse/datasets/aarhusculturalevents/culturalEvents_aarhus#context_do63jk2t8c3bjkfb119ojgkhs7"));
observation.addProperty(m.createProperty(RDFFileManager.saoPrefix + "hasValue"), coordinates);
// System.out.println("transformed: " + m.listStatements().toList().size());s
return m.listStatements().toList();
}
Example 13
| Source File: Course_Test.java From neo4jena with Apache License 2.0 | 5 votes |
|
public static void write(BatchInserter inserter) {
InputStream in = FileManager.get().open( inputFileName );
if (in == null) {
throw new IllegalArgumentException( "File: " + inputFileName + " not found");
}
Model model = ModelFactory.createDefaultModel();
StopWatch watch = new StopWatch();
BatchHandler handler = new BatchHandler(inserter,500000,60);
model.register(handler);
model.read(in,"","TTL");
double triples = model.size();
//log.info("Model loaded with " + triples + " triples");
System.out.println("Model loaded with " + triples + " triples" + " time taken: " + watch.stop());
//Map<String, String> prefixMap = model.getNsPrefixMap();
// System.out.println("Prefix Mapping: " + prefixMap);
//NeoGraph graph = new NeoGraph(njgraph);
//graph.getPrefixMapping().setNsPrefixes(prefixMap);
//graph.startBulkLoad();
//log.info("Connection created");
//Model njmodel = ModelFactory.createModelForGraph(graph);
/*log.info("NeoGraph Model initiated");
System.out.println("NeoGraph Model initiated");
StopWatch watch = new StopWatch();
//njmodel.add(model);
long endTime = watch.stop();
log.info("Total triples loaded are:"+ graph.size());
System.out.println("Total triples loaded are:"+ graph.size());
graph.stopBulkLoad();
log.info("Storing completed (ms): " + endTime);
System.out.println("Storing completed (ms): " + endTime);*/
}
Example 14
| Source File: ClassMapServlet.java From GeoTriples with Apache License 2.0 | 5 votes |
|
private Model classMapListModel() {
D2RServer server = D2RServer.fromServletContext(getServletContext());
Model result = ModelFactory.createDefaultModel();
Resource list = result.createResource(server.baseURI() + "all");
list.addProperty(RDFS.label, "D2R Server contents");
for (String name: server.getMapping().getResourceCollectionNames()) {
Resource instances = result.createResource(server.baseURI() + "all/" + name);
list.addProperty(RDFS.seeAlso, instances);
instances.addProperty(RDFS.label, "List of all instances: " + name);
}
server.addDocumentMetadata(result, list);
return result;
}
Example 15
| Source File: MetadataCreator.java From GeoTriples with Apache License 2.0 | 5 votes |
|
public static Model loadMetadataTemplate(InputStream is) {
try {
Model tplModel = ModelFactory.createDefaultModel();
tplModel.read(is, "about:prefix:", "TTL");
return tplModel;
} catch (JenaException e) {
// ignore
}
return null;
}
Example 16
| Source File: DecompositionRDFWriter.java From TableDisentangler with GNU General Public License v3.0 | 5 votes |
|
public DecompositionRDFWriter()
{
model = ModelFactory.createDefaultModel();
ArticleName = model.createProperty( ArticleDefault + "ArticleName" );
ArticleID = model.createProperty( ArticleDefault + "ArticleID" );
hasAuthor = model.createProperty( ArticleDefault + "hasAuthor" );
Publisher = model.createProperty( ArticleDefault + "Publisher" );
Abstract = model.createProperty( ArticleDefault + "Abstract" );
Venue = model.createProperty( ArticleDefault + "Venue" );
ShortAbstract = model.createProperty( ArticleDefault + "ShortAbstract" );
hasAffiliation = model.createProperty( ArticleDefault + "hasAffiliation" );
Keywords = model.createProperty( ArticleDefault + "KeyWord" );
TableOrder = model.createProperty( ArticleDefault + "TableOrder" );
TableCaption = model.createProperty( ArticleDefault + "TableCaption" );
TableFooter = model.createProperty( ArticleDefault + "TableFooter" );
Table = model.createProperty( ArticleDefault + "HasTable" );
TableType = model.createProperty( ArticleDefault + "TableType" );
TablePragmaticType = model.createProperty( ArticleDefault + "TablePragmaticType" );
TableXML= model.createProperty( ArticleDefault + "TableXML" );
Cell = model.createProperty( ArticleDefault + "HasCell" );
CellStub = model.createProperty( ArticleDefault + "CellStub" );
CellStubValue = model.createProperty( ArticleDefault + "CellStubValue" );
CellSubheadeing = model.createProperty( ArticleDefault + "CellSubheadeing" );
CellHeader = model.createProperty( ArticleDefault + "CellHeader" );
CellValue = model.createProperty( ArticleDefault + "CellValue" );
CellType = model.createProperty( ArticleDefault + "CellType" );
CellRow = model.createProperty( ArticleDefault + "CellRow" );
HasNavigationalPath = model.createProperty( ArticleDefault + "HasNavigationalPath" );
CellColumn = model.createProperty( ArticleDefault + "CellColumn" );
Head00 = model.createProperty( ArticleDefault + "Head00" );
NavigationalPath = model.createProperty( ArticleDefault + "NavigationalPath" );
Root = model.createResource(ArticleDefault+"Root");
HasArticle = model.createProperty( ArticleDefault + "HasArticle" );
}
Example 17
| Source File: Course.java From neo4jena with Apache License 2.0 | 5 votes |
|
public static void write(GraphDatabaseService njgraph) {
InputStream in = FileManager.get().open( inputFileName );
if (in == null) {
throw new IllegalArgumentException( "File: " + inputFileName + " not found");
}
Model model = ModelFactory.createDefaultModel();
model.read(in,"","TTL");
double triples = model.size();
log.info("Model loaded with " + triples + " triples");
System.out.println("Model loaded with " + triples + " triples");
Map<String, String> prefixMap = model.getNsPrefixMap();
// System.out.println("Prefix Mapping: " + prefixMap);
NeoGraph graph = new NeoGraph(njgraph);
graph.getPrefixMapping().setNsPrefixes(prefixMap);
graph.startBulkLoad();
log.info("Connection created");
Model njmodel = ModelFactory.createModelForGraph(graph);
log.info("NeoGraph Model initiated");
System.out.println("NeoGraph Model initiated");
//log.info(njmodel.add(model));
//njmodel.add(model);
StmtIterator iterator = model.listStatements();
StopWatch watch = new StopWatch();
int count = 0;
while(iterator.hasNext()){
njmodel.add(iterator.next());
count++;
}
System.out.println("Total triples loaded are:"+ count);
graph.stopBulkLoad();
//log.info("Storing completed (ms): " + watch.stop());
System.out.println("Storing completed (ms): " + watch.stop());
}
Example 18
| Source File: DataTypeTesting.java From semweb4j with BSD 2-Clause "Simplified" License | 4 votes |
|
@Test
public void testDataTypesWithUnknownType() throws Exception {
// siehe dazu com.hp.hpl.jena.graph.test.TestTypedLiterals.java,
// Funktion testUnknown()
// das ganze funktioniert sowohl mit Jena2.2 als auch mit dem jena aus
// dem cvs
// das ganze Problem scheint wohl zu sein das Jena ziemlich abgefahrene
// Sachen machen kann
// mit daten typen und der valdierung und solchen advanced topics.
// die Erwaeaehnte Test Datei zeigt das ziemlich eindrucksvoll.
// Dieser gesamte Test testet direkt die Funktion von Jena, nicht von
// rdf2go. (SG)
// die erste DatenTyp URI
String strTestA = new String("test://somedata-A");
// die zweite DatenTyp URI
String strTestB = new String("test://somedata-B");
com.hp.hpl.jena.rdf.model.Model model = ModelFactory.createDefaultModel();
// das hier scheint alles zu sein was notwendig ist damit Jena die data
// typed literals
// semantisch so behandelt wie wir es wollen
// Behold !!
JenaParameters.enableSilentAcceptanceOfUnknownDatatypes = true;
Literal litA1 = model.createTypedLiteral("teststring", strTestA);
Literal litA2 = model.createTypedLiteral("teststring", strTestA);
Literal litB = model.createTypedLiteral("teststring", strTestB);
// dann wollen wir mal schauen was passiert:
// reflexivit�t: A == A , passt
assertTrue(litA1.equals(litA1));
// gleicher Inhalt, in zwei versch. Objekten, passt auch
assertTrue(litA1.equals(litA2));
// und zur sicherheit: 2 versch Datentyp URIs: nein
assertFalse(litA1.equals(litB));
// und nochmal der negativ Test:
assertTrue(litB.equals(litB));
assertFalse(litB.equals(litA1));
assertFalse(litB.equals(litA2));
assertEquals("Extract Datatype URI", litA1.getDatatypeURI(), strTestA);
assertEquals("Extract value", "teststring", litA1.getLexicalForm());
// im jena cvs geht auch folgendes, damit kann man das Object des Daten
// Typs besser manipulieren
// assertEquals("Extract value", l1.getValue(), new
// BaseDatatype.TypedValue("foo", typeURI));
}
Example 19
| Source File: DataTypeTesting.java From semweb4j with BSD 2-Clause "Simplified" License | 4 votes |
|
@Test
public void testOldDataTypesUsedAsIntended() throws Exception {
// laut der jena-dev Mailingliste, sollte man Datentypen so erzeugen:
// siehe http://groups.yahoo.com/group/jena-dev/message/14052
// String dtURI = tmpProp.getRange().getURI();
// RDFDatatype dt = TypeMapper.getInstance().getTypeByName(dtURI);
// Literal tmpLit = tmpModel.createTypedLiteral("123", dt );
// leider f�hrt das dann dazu das "test"^^xsd:funky equal zu "test" ist,
// da dann xsd:funky ein unknown data type ist und
// somit "test"^^xsd:funky genau wie ein plain literal behandelt wird.
// die erste DatenTyp URI
// URI testA = URIUtils.createURI("test://somedata-A");
String strTestA = new String("test://somedata-A");
// die zweite DatenTyp URI
// URI testB = URIUtils.createURI("test://somedata-B");
String strTestB = new String("test://somedata-B");
// der erste BaseDatatype wird von der ersten DatenTyp URI erzeugt
RDFDatatype DTtestA1 = TypeMapper.getInstance().getTypeByName(strTestA);
// der zweite BaseDatatype ebenso
RDFDatatype DTtestA2 = TypeMapper.getInstance().getTypeByName(strTestA);
// f�r den dritten BaseDatatype nehmen wir eine neue Datentyp URI
RDFDatatype DTtestB = TypeMapper.getInstance().getTypeByName(strTestB);
com.hp.hpl.jena.rdf.model.Model model = ModelFactory.createDefaultModel();
Literal litA11 = model.createTypedLiteral("teststring", DTtestA1);
Literal litA12 = model.createTypedLiteral("teststring", DTtestA1);
Literal litA2 = model.createTypedLiteral("teststring", DTtestA2);
@SuppressWarnings("unused")
Literal litB = model.createTypedLiteral("teststring", DTtestB);
// alle Literals haben den gleichen Wert !
// dann wollen wir mal schauen was passiert:
// reflexivit�t: A == A , passt
assertTrue(litA11.equals(litA11));
// gleicher Inhalt, in zwei versch. Objekten, passt auch
assertTrue(litA11.equals(litA12));
// zwei Objekte, mit untersch. BaseDatatypes, von der gleichen Datatype
// URI:
assertTrue(litA11.equals(litA2));
// und zur sicherheit: 2 versch Datentyp URIs:
// -> das sollte eigentlich nicht sein
// TODO jena bug assertFalse(litA11.equals(litB));
}
Example 20
| Source File: IOUtils.java From semweb4j with BSD 2-Clause "Simplified" License | 4 votes |
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public static Model read(Reader reader) {
com.hp.hpl.jena.rdf.model.Model m = ModelFactory.createDefaultModel();
readIntoJenaModel(m, reader);
return new ModelImplJena(null, m);
}
