本文整理了Java中org.apache.jena.rdf.model.Model.listSubjects()方法的一些代码示例，展示了Model.listSubjects()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。Model.listSubjects()方法的具体详情如下：
包路径：org.apache.jena.rdf.model.Model
类名称：Model
方法名：listSubjects

Model.listSubjects介绍

[英]List all resources which are subjects of statements.

Subsequent operations on those resource may modify this model.
[中]列出所有作为陈述主题的资源。
对这些资源的后续操作可能会修改此模型。

代码示例

代码示例来源：origin: google/data-transfer-project

/** Gets a given resource (including the #this reference) from a model. **/
public static Resource getResource(String url, Model model) {
 List<Resource> matchingSubjects = model.listSubjects()
   .filterKeep(s -> s.getURI() != null)
   .filterKeep(s -> s.getURI().equalsIgnoreCase(url)
     || s.getURI().equalsIgnoreCase(url + "#this")).toList();
 if (matchingSubjects.isEmpty()) {
  return null;
 }
 checkState(matchingSubjects.size() == 1,
   "Model %s didn't contain %s",
   model,
   url);
 return matchingSubjects.get(0);
}

代码示例来源：origin: google/data-transfer-project

/** Utility method for debugging model problems. **/
 @SuppressWarnings("unused")
 public static void describeModel(Model model) {
  model.listSubjects().forEachRemaining(
    r -> {
     logger.info(r.toString());
     StmtIterator props = r.listProperties();
     props.forEachRemaining(p -> logger.info("\t" + p.getPredicate() + " " + p.getObject()));
    }
  );
 }
}

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: apache/jena

private ResIterator modelListSubjects() {
  ResIterator resIt = model.listSubjects();
  openResIterators.add(resIt);
  return resIt;
}

代码示例来源：origin: org.apache.jena/jena-core

private ResIterator modelListSubjects() {
  ResIterator resIt = model.listSubjects();
  openResIterators.add(resIt);
  return resIt;
}

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.aksw.rdfunit/rdfunit-model

private Model reanonimisePathBlankNodes(Resource resource,  RDFNode rdfNode) {
    Model pathModel = ModelFactory.createDefaultModel();
    pathModel.add(rdfNode.getModel());
    pathModel.add(resource, SHACL.resultPath, rdfNode);
    ImmutableSet<Resource> resources = ImmutableSet.copyOf(pathModel.listSubjects());
    resources.stream()
        .filter(Resource::isAnon)
        .filter(r -> r != resource)
        .forEach(r -> ResourceUtils.renameResource(r, null));

    return pathModel;
  }
}

代码示例来源：origin: AKSW/RDFUnit

private Model reanonimisePathBlankNodes(Resource resource,  RDFNode rdfNode) {
    Model pathModel = ModelFactory.createDefaultModel();
    pathModel.add(rdfNode.getModel());
    pathModel.add(resource, SHACL.resultPath, rdfNode);
    ImmutableSet<Resource> resources = ImmutableSet.copyOf(pathModel.listSubjects());
    resources.stream()
        .filter(Resource::isAnon)
        .filter(r -> r != resource)
        .forEach(r -> ResourceUtils.renameResource(r, null));

    return pathModel;
  }
}

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: 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

private Set<Node> gsp(RDFConnection conn, String graphName) {
  Set<Node> results = new HashSet<>();
  Model model = graphName == null ? conn.fetch() : conn.fetch(graphName);
  // Extract subjects.
  Set<Node> seen = 
    SetUtils.toSet(
      Iter.asStream(model.listSubjects())
        .map(Resource::asNode)
      );
  return seen;
}

代码示例来源：origin: org.apache.jena/jena-fuseki-main

private Set<Node> gsp(RDFConnection conn, String graphName) {
  Set<Node> results = new HashSet<>();
  Model model = graphName == null ? conn.fetch() : conn.fetch(graphName);
  // Extract subjects.
  Set<Node> seen = 
    SetUtils.toSet(
      Iter.asStream(model.listSubjects())
        .map(Resource::asNode)
      );
  return seen;
}

代码示例来源：origin: apache/jena

@Override
public SecuredResIterator listSubjects() throws ReadDeniedException, AuthenticationRequiredException {
  checkRead();
  ExtendedIterator<Resource> rIter = holder.getBaseItem().listSubjects();
  if (!canRead(Triple.ANY)) {
    rIter = rIter.filterKeep(new ResourceFilter());
  }
  return new SecuredResIterator(holder.getSecuredItem(), rIter);
}

代码示例来源：origin: apache/jena

public void testListSubjects()
{
  fill(model);
  final List<Resource> L = model.listSubjects().toList();
  Assert.assertEquals(TestObjects.numberSubjects, L.size());
  final Set<Resource> wanted = subjectSet(TestObjects.numberSubjects);
  Assert.assertEquals(wanted, GraphTestBase.iteratorToSet(L.iterator()));
}

代码示例来源：origin: org.apache.jena/jena-core

public void testListSubjects()
{
  fill(model);
  final List<Resource> L = model.listSubjects().toList();
  Assert.assertEquals(TestObjects.numberSubjects, L.size());
  final Set<Resource> wanted = subjectSet(TestObjects.numberSubjects);
  Assert.assertEquals(wanted, GraphTestBase.iteratorToSet(L.iterator()));
}

代码示例来源：origin: apache/jena

private Set<Node> gsp(String user, String password, String graphName) {
  Set<Node> results = new HashSet<>();
  try (RDFConnection conn = RDFConnectionFactory.connectPW(baseUrl, user, password)) {
    Model model = graphName == null ? conn.fetch() : conn.fetch(graphName);
    // Extract subjects.
    Set<Node> seen = 
      SetUtils.toSet(
        Iter.asStream(model.listSubjects())
          .map(r->r.asNode())
          );
    return seen;
  }
}

代码示例来源：origin: org.apache.jena/jena-fuseki-main

private Set<Node> gsp(String user, String password, String graphName) {
  Set<Node> results = new HashSet<>();
  try (RDFConnection conn = RDFConnectionFactory.connectPW(baseUrl, user, password)) {
    Model model = graphName == null ? conn.fetch() : conn.fetch(graphName);
    // Extract subjects.
    Set<Node> seen = 
      SetUtils.toSet(
        Iter.asStream(model.listSubjects())
          .map(r->r.asNode())
          );
    return seen;
  }
}

代码示例来源：origin: apache/jena

public void testListSubjectsWorksAfterRemoveProperties()
{
  final Model m = ModelHelper.modelWithStatements(this,
      "p1 before terminal; p2 before terminal");
  m.createResource("eh:/p1").removeProperties();
  ModelHelper.assertIsoModels(
      ModelHelper.modelWithStatements(this, "p2 before terminal"), m);
  Assert.assertEquals(ModelHelper.resourceSet("p2"), m.listSubjects()
      .toSet());
}

代码示例来源：origin: org.apache.jena/jena-core

public void testListSubjectsWorksAfterRemoveProperties()
{
  final Model m = ModelHelper.modelWithStatements(this,
      "p1 before terminal; p2 before terminal");
  m.createResource("eh:/p1").removeProperties();
  ModelHelper.assertIsoModels(
      ModelHelper.modelWithStatements(this, "p2 before terminal"), m);
  Assert.assertEquals(ModelHelper.resourceSet("p2"), m.listSubjects()
      .toSet());
}

代码示例来源：origin: apache/jena

public void testListSubjectsWorksAfterRemovePropertiesWIthLots()
  {
    final Model m = ModelHelper.modelWithStatements(this,
        "p2 before terminal");
    for (int i = 0; i < 100; i += 1)
    {
      ModelHelper.modelAdd(m, "p1 hasValue " + i);
    }
    m.createResource("eh:/p1").removeProperties();
    ModelHelper.assertIsoModels(
        ModelHelper.modelWithStatements(this, "p2 before terminal"), m);
    Assert.assertEquals(ModelHelper.resourceSet("p2"), m.listSubjects()
        .toSet());
  }
}