本文整理了Java中org.apache.jena.rdf.model.ResIterator.nextResource
方法的一些代码示例,展示了ResIterator.nextResource
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ResIterator.nextResource
方法的具体详情如下:
包路径:org.apache.jena.rdf.model.ResIterator
类名称:ResIterator
方法名:nextResource
暂无
代码示例来源:origin: google/data-transfer-project
private List<VCard> parseAddressBook(Resource selfResource, SolidUtilities utilities)
throws IOException {
String peopleUri = selfResource.getProperty(NAME_EMAIL_INDEX_PROPERTY).getResource().getURI();
Model peopleModel = utilities.getModel(peopleUri);
List<VCard> vcards = new ArrayList<>();
ResIterator subjects = peopleModel.listSubjects();
while (subjects.hasNext()) {
Resource subject = subjects.nextResource();
Model personModel = utilities.getModel(subject.getURI());
Resource personResource = SolidUtilities.getResource(subject.getURI(), personModel);
if (personResource == null) {
throw new IllegalStateException(subject.getURI() + " not found in " + subject.toString());
}
vcards.add(parsePerson(personResource));
}
return vcards;
}
代码示例来源:origin: com.powsybl/powsybl-triple-store-impl-jena
private static Resource[] subjectsTypes(Model model) {
Set<Resource> types = new HashSet<>();
ResIterator rs = model.listSubjects();
while (rs.hasNext()) {
Resource r = rs.nextResource();
Statement s = type(r);
if (s != null) {
types.add(s.getObject().asResource());
}
}
return types.toArray(new Resource[0]);
}
代码示例来源:origin: org.apache.jena/jena-core
protected void writeRDFStatements( Model model, PrintWriter writer )
{
ResIterator rIter = model.listSubjects();
while (rIter.hasNext()) writeRDFStatements( model, rIter.nextResource(), writer );
}
代码示例来源:origin: apache/jena
protected void writeRDFStatements( Model model, PrintWriter writer )
{
ResIterator rIter = model.listSubjects();
while (rIter.hasNext()) writeRDFStatements( model, rIter.nextResource(), writer );
}
代码示例来源:origin: vivo-project/Vitro
private List<Resource> getPortal1s(Model model) {
List<Resource> portals = new ArrayList<Resource>();
try {
model.enterCriticalSection(Lock.READ);
ResIterator portalIt = model.listResourcesWithProperty(
RDF.type, PORTAL);
while (portalIt.hasNext()) {
Resource portal = portalIt.nextResource();
if ("portal1".equals(portal.getLocalName())) {
portals.add(portal);
}
}
} finally {
model.leaveCriticalSection();
}
return portals;
}
代码示例来源:origin: semantic-integration/hypergraphql
private Set<String> findRootIdentifiers(Model model, TypeConfig targetName) {
Set<String> identifiers = new HashSet<>();
Model currentmodel = ModelFactory.createDefaultModel();
Resource res = currentmodel.createResource(targetName.getId());
Property property = currentmodel.createProperty(RDF_TYPE);
ResIterator iterator = model.listResourcesWithProperty(property, res);
while (iterator.hasNext()) {
identifiers.add(iterator.nextResource().toString());
}
return identifiers;
}
代码示例来源:origin: semantic-integration/hypergraphql
private Set<String> findRootIdentifiers(Model model, TypeConfig targetName) {
Set<String> identifiers = new HashSet<>();
Model currentmodel = ModelFactory.createDefaultModel();
Resource res = currentmodel.createResource(targetName.getId());
Property property = currentmodel.createProperty(RDF_TYPE);
ResIterator iterator = model.listResourcesWithProperty(property, res);
while (iterator.hasNext()) {
identifiers.add(iterator.nextResource().toString());
}
return identifiers;
}
代码示例来源:origin: at.researchstudio.sat/won-matcher-service
/**
* Get the won node URI from a {@link Dataset}
*
* @param ds Dataset which holds won node information
* @return
*/
private String getWonNodeUriFromDataset(Dataset ds) {
if (ds.listNames().hasNext()) {
Model model = ds.getNamedModel(ds.listNames().next());
if (model.listSubjectsWithProperty(WON.HAS_URI_PATTERN_SPECIFICATION).hasNext()) {
return model.listSubjectsWithProperty(WON.HAS_URI_PATTERN_SPECIFICATION).nextResource().toString();
}
}
return null;
}
代码示例来源:origin: SmartDataAnalytics/jena-sparql-api
private void processModel(Model baseModel) throws IOException
{
writeLine("{");
boolean first = true;
ResIterator subjectIterator = baseModel.listSubjects();
while (subjectIterator.hasNext()) {
if (!first) {
writeLine(",");
}
first = false;
Resource subjectResource = subjectIterator.nextResource();
processSubject(subjectResource);
}
writeLine("");
writeLine("}");
}
代码示例来源:origin: apache/jena
/**
* Test that a transitive reduction is complete.
* Assumes test graph has no cycles (other than the trivial
* identity ones).
*/
public void doTestTransitiveReduction(Model model, Property dp) {
InfModel im = ModelFactory.createInfModel(ReasonerRegistry.getTransitiveReasoner(), model);
for (ResIterator i = im.listSubjects(); i.hasNext();) {
Resource base = i.nextResource();
List<RDFNode> directLinks = new ArrayList<>();
for (NodeIterator j = im.listObjectsOfProperty(base, dp); j.hasNext(); ) {
directLinks.add(j.next());
}
for (int n = 0; n < directLinks.size(); n++) {
Resource d1 = (Resource)directLinks.get(n);
for (int m = n+1; m < directLinks.size(); m++) {
Resource d2 = (Resource)directLinks.get(m);
if (im.contains(d1, dp, d2) && ! base.equals(d1) && !base.equals(d2)) {
assertTrue("Triangle discovered in transitive reduction", false);
}
}
}
}
}
代码示例来源:origin: org.apache.jena/jena-core
/**
* Test that a transitive reduction is complete.
* Assumes test graph has no cycles (other than the trivial
* identity ones).
*/
public void doTestTransitiveReduction(Model model, Property dp) {
InfModel im = ModelFactory.createInfModel(ReasonerRegistry.getTransitiveReasoner(), model);
for (ResIterator i = im.listSubjects(); i.hasNext();) {
Resource base = i.nextResource();
List<RDFNode> directLinks = new ArrayList<>();
for (NodeIterator j = im.listObjectsOfProperty(base, dp); j.hasNext(); ) {
directLinks.add(j.next());
}
for (int n = 0; n < directLinks.size(); n++) {
Resource d1 = (Resource)directLinks.get(n);
for (int m = n+1; m < directLinks.size(); m++) {
Resource d2 = (Resource)directLinks.get(m);
if (im.contains(d1, dp, d2) && ! base.equals(d1) && !base.equals(d2)) {
assertTrue("Triangle discovered in transitive reduction", false);
}
}
}
}
}
代码示例来源:origin: apache/jena
protected void writeModel(Model model)
{
// Needed only for no prefixes, no blank first line.
boolean doingFirst = true;
ResIterator rIter = listSubjects(model);
for (; rIter.hasNext();)
{
// Subject:
// First - it is something we will write out as a structure in an object field?
// That is, a RDF list or the object of exactly one statement.
Resource subject = rIter.nextResource();
if ( skipThisSubject(subject) )
{
if (N3JenaWriter.DEBUG)
out.println("# Skipping: " + formatResource(subject));
continue;
}
// We really are going to print something via writeTriples
if (doingFirst)
doingFirst = false;
else
out.println();
writeOneGraphNode(subject) ;
}
rIter.close();
}
代码示例来源:origin: HuygensING/timbuctoo
public RmlMappingDocument fromRdf(Model data, Function<RdfResource, Optional<DataSource>> dataSourceFactory) {
ResIterator tripleMaps = data.listSubjectsWithProperty(data.createProperty(NS_RR + "subjectMap"));
MappingDocumentBuilder resultBuilder = rmlMappingDocument();
try {
while (tripleMaps.hasNext()) {
Resource resource = tripleMaps.nextResource();
buildTripleMap(JenaResource.fromModel(data, resource), resultBuilder.withTripleMap(resource.getURI()));
}
} finally {
tripleMaps.close();
}
return resultBuilder.build(dataSourceFactory);
}
代码示例来源:origin: apache/jena
/**
* Run all the tests in the manifest
* @param manifestFile the name of the manifest file relative to baseDir
* @param log set to true to enable derivation logging
* @param stats set to true to log performance statistics
* @return true if all the tests pass
* @throws IOException if one of the test files can't be found
*/
public boolean runTests(String manifestFile, boolean log, boolean stats) throws IOException {
// Load up the manifest
Model manifest = FileManager.get().loadModel(baseDir + manifestFile);
ResIterator tests = manifest.listResourcesWithProperty(RDF.type, PositiveEntailmentTest);
while (tests.hasNext()) {
Resource test = tests.nextResource();
if (!runTest(test, log, stats)) return false;
}
tests = manifest.listResourcesWithProperty(RDF.type, NegativeEntailmentTest);
while (tests.hasNext()) {
Resource test = tests.nextResource();
if (!runTest(test, log, stats)) return false;
}
return true;
}
代码示例来源:origin: apache/jena
private void processIterator( final ResIterator rIter, final boolean[] subjf )
{
for (int i = 0; i < num; i++)
{
subjf[i] = false;
}
while (rIter.hasNext())
{
final Resource subj = rIter.nextResource();
Boolean found = false;
for (int i = 0; i < num; i++)
{
if (subj.equals(subject[i]))
{
found = true;
Assert.assertFalse("Should not have found " + subject[i]
+ " already", subjf[i]);
subjf[i] = true;
}
}
Assert.assertTrue("Should have found " + subj, found);
}
}
代码示例来源:origin: org.apache.jena/jena-core
protected void writeModel(Model model)
{
// Needed only for no prefixes, no blank first line.
boolean doingFirst = true;
ResIterator rIter = listSubjects(model);
for (; rIter.hasNext();)
{
// Subject:
// First - it is something we will write out as a structure in an object field?
// That is, a RDF list or the object of exactly one statement.
Resource subject = rIter.nextResource();
if ( skipThisSubject(subject) )
{
if (N3JenaWriter.DEBUG)
out.println("# Skipping: " + formatResource(subject));
continue;
}
// We really are going to print something via writeTriples
if (doingFirst)
doingFirst = false;
else
out.println();
writeOneGraphNode(subject) ;
}
rIter.close();
}
代码示例来源:origin: org.apache.jena/jena-core
private void processIterator( final ResIterator rIter, final boolean[] subjf )
{
for (int i = 0; i < num; i++)
{
subjf[i] = false;
}
while (rIter.hasNext())
{
final Resource subj = rIter.nextResource();
Boolean found = false;
for (int i = 0; i < num; i++)
{
if (subj.equals(subject[i]))
{
found = true;
Assert.assertFalse("Should not have found " + subject[i]
+ " already", subjf[i]);
subjf[i] = true;
}
}
Assert.assertTrue("Should have found " + subj, found);
}
}
代码示例来源:origin: org.apache.jena/jena-core
/**
* Run all the tests in the manifest
* @param manifestFile the name of the manifest file relative to baseDir
* @param log set to true to enable derivation logging
* @param stats set to true to log performance statistics
* @return true if all the tests pass
* @throws IOException if one of the test files can't be found
*/
public boolean runTests(String manifestFile, boolean log, boolean stats) throws IOException {
// Load up the manifest
Model manifest = FileManager.get().loadModel(baseDir + manifestFile);
ResIterator tests = manifest.listResourcesWithProperty(RDF.type, PositiveEntailmentTest);
while (tests.hasNext()) {
Resource test = tests.nextResource();
if (!runTest(test, log, stats)) return false;
}
tests = manifest.listResourcesWithProperty(RDF.type, NegativeEntailmentTest);
while (tests.hasNext()) {
Resource test = tests.nextResource();
if (!runTest(test, log, stats)) return false;
}
return true;
}
代码示例来源:origin: apache/jena
/**
* Report of functor literals leaking out of inference graphs and raising CCE
* in iterators.
*/
public void testFunctorCCE() {
Model base = ModelFactory.createDefaultModel();
base.read("file:testing/reasoners/bugs/cceTest.owl");
InfModel test = ModelFactory.createInfModel(ReasonerRegistry.getOWLReasoner(), base);
// boolean b =
anyInstancesOfNothing(test);
ResIterator rIter = test.listSubjects();
while (rIter.hasNext()) {
// Resource res =
rIter.nextResource();
}
}
代码示例来源:origin: org.apache.jena/jena-core
/**
* Report of functor literals leaking out of inference graphs and raising CCE
* in iterators.
*/
public void testFunctorCCE() {
Model base = ModelFactory.createDefaultModel();
base.read("file:testing/reasoners/bugs/cceTest.owl");
InfModel test = ModelFactory.createInfModel(ReasonerRegistry.getOWLReasoner(), base);
// boolean b =
anyInstancesOfNothing(test);
ResIterator rIter = test.listSubjects();
while (rIter.hasNext()) {
// Resource res =
rIter.nextResource();
}
}
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