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

Triple.getMatchSubject介绍

[英]Return subject or null, not Node.ANY
[中]返回subject或null，而不是Node。任何

代码示例

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

public Node getMatchSubject(){
  return pattern.get(0).getMatchSubject();
}

代码示例来源：origin: apache/jena

@Override
protected ExtendedIterator<Triple> graphBaseFind(Triple m) {
  if ( m == null ) m = Triple.ANY ;
  Node s = m.getMatchSubject() ;
  Node p = m.getMatchPredicate() ;
  Node o = m.getMatchObject() ;
  return graphBaseFind(s, p, o) ;
}

代码示例来源：origin: apache/jena

@Override
public ExtendedIterator<Triple> find( Triple triple ) {
  return find(triple.getMatchSubject(), triple.getMatchPredicate(), triple.getMatchObject());
}

代码示例来源：origin: ch.epfl.bluebrain.nexus.org.topbraid/shacl

@Override
public ExtendedIterator<Triple> find(Triple m) {
  return find(m.getMatchSubject(), m.getMatchPredicate(), m.getMatchObject());
}

代码示例来源：origin: apache/jena

/**
 * Returns an iterator over Triples.
 *
 * <p>This code used to have the .filterKeep component uncommented. We
 * think this is because of earlier history, before .matches on a literal node
 * was implemented as sameValueAs rather than equals. If it turns out that
 * the filter is needed, it can be commented back in, AND a corresponding
 * filter added to find(Node x 3) -- and test cases, of course.
 */
@Override
protected ExtendedIterator<Triple> graphBaseFind(Triple triple) {
  return graphBaseFind(triple.getMatchSubject(), triple.getMatchPredicate(), triple.getMatchObject())
     // .filterKeep(new TripleMatchFilter(m.asTriple()))
     ;
}

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

@Override
public ExtendedIterator<Triple> find( Triple triple ) {
  return find(triple.getMatchSubject(), triple.getMatchPredicate(), triple.getMatchObject());
}

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

/**
 * Returns an iterator over Triples.
 *
 * <p>This code used to have the .filterKeep component uncommented. We
 * think this is because of earlier history, before .matches on a literal node
 * was implemented as sameValueAs rather than equals. If it turns out that
 * the filter is needed, it can be commented back in, AND a corresponding
 * filter added to find(Node x 3) -- and test cases, of course.
 */
@Override
protected ExtendedIterator<Triple> graphBaseFind(Triple triple) {
  return graphBaseFind(triple.getMatchSubject(), triple.getMatchPredicate(), triple.getMatchObject())
     // .filterKeep(new TripleMatchFilter(m.asTriple()))
     ;
}

代码示例来源：origin: TopQuadrant/shacl

@Override
public ExtendedIterator<Triple> find(Triple m) {
  return find(m.getMatchSubject(), m.getMatchPredicate(), m.getMatchObject());
}

代码示例来源：origin: rdfhdt/hdt-java

public TripleID getTriplePatID(Triple jenaTriple) {
  int subject=0, predicate=0, object=0;
  
  if(jenaTriple.getMatchSubject()!=null) {
    subject = getIntID(jenaTriple.getMatchSubject(), TripleComponentRole.SUBJECT);
  }
  if(jenaTriple.getMatchPredicate()!=null) {
    predicate = getIntID(jenaTriple.getMatchPredicate(), TripleComponentRole.PREDICATE);
  }
  if(jenaTriple.getMatchObject()!=null) {
    object = getIntID(jenaTriple.getMatchObject(), TripleComponentRole.OBJECT);
  }
  return new TripleID(subject, predicate, object);
}

代码示例来源：origin: apache/jena

@Override
  protected ExtendedIterator<Triple> graphBaseFind(Triple m) {
    List<Triple> results = new ArrayList<>();
    for ( Triple t : triples )
      if ( t.matches(m.getMatchSubject(), m.getMatchPredicate(), m.getMatchObject()) )
        results.add(t);
    return WrappedIterator.create(results.iterator());
  }
}

代码示例来源：origin: apache/jena

@Override
  protected ExtendedIterator<Triple> graphBaseFind(Triple m) {
    List<Triple> results = new ArrayList<>();
    Iterator<Quad> iter = findNG(graphName, m.getMatchSubject(), m.getMatchPredicate(), m.getMatchObject());
    for ( ; iter.hasNext() ; )
      results.add(iter.next().asTriple());
    return WrappedIterator.create(results.iterator());
  }
}

代码示例来源：origin: ch.epfl.bluebrain.nexus.org.topbraid/shacl

if(t.getMatchSubject().isVariable()) {
  results.add(t.getMatchSubject().getName());

代码示例来源：origin: TopQuadrant/shacl

if(t.getMatchSubject().isVariable()) {
  results.add(t.getMatchSubject().getName());

代码示例来源：origin: apache/jena

protected static ExtendedIterator<Triple> graphBaseFindNG(DatasetGraphTDB dataset, Node graphNode, Triple m) {
  Node gn = graphNode ;
  // Explicitly named union graph.
  if ( isUnionGraph(gn) )
    gn = Node.ANY ;
  Iterator<Quad> iter = dataset.getQuadTable().find(gn, m.getMatchSubject(), m.getMatchPredicate(), m.getMatchObject()) ;
  if ( iter == null )
    return org.apache.jena.util.iterator.NullIterator.instance() ;
  Iterator<Triple> iterTriples = projectQuadsToTriples((gn == Node.ANY ? null : gn), iter) ;
  if ( gn == Node.ANY )
    iterTriples = Iter.distinct(iterTriples) ;
  return WrappedIterator.createNoRemove(iterTriples) ;
}

代码示例来源：origin: franzinc/agraph-java-client

public ExtendedIterator<Triple> findExposed(Triple m) {
  if (matchesReification(m)) {
    if (m.getMatchPredicate() != null) {
      return graph.graphBaseFind(m);
    } else {
      //String queryString = "construct {?s ?p ?o} where { {?s ?p ?o . FILTER (?p IN (rdf:subject, rdf:predicate, rdf:object)) } UNION {?s rdf:type rdf:Statement} }";
      String queryString = "construct {?s ?p ?o} where { {?s ?p ?o . FILTER (?p = rdf:subject || ?p = rdf:predicate || ?p = rdf:object)} UNION {?s ?p ?o . FILTER (?p = rdf:type && ?o = rdf:Statement)} }";
      AGRepositoryConnection conn = graph.getConnection();
      AGValueFactory vf = conn.getValueFactory();
      AGGraphQuery gq = conn.prepareGraphQuery(QueryLanguage.SPARQL, queryString);
      GraphQueryResult result;
      try {
        if (m.getMatchSubject() != null) {
          gq.setBinding("s", vf.asValue(m.getMatchSubject()));
        }
        if (m.getMatchObject() != null) {
          gq.setBinding("o", vf.asValue(m.getMatchObject()));
        }
        gq.setDataset(graph.getDataset());
        result = gq.evaluate();
        return new AGTripleIteratorGQ(graph, result);
      } catch (QueryEvaluationException e) {
        throw new RuntimeException(e);
      }
    }
  } else {
    return NullIterator.instance();
  }
}

代码示例来源：origin: franzinc/agraph-java-client

@Override
protected ExtendedIterator<Triple> graphBaseFind(Triple m) {
  RepositoryResult<Statement> result;
  try {
    // TODO: allow arbitrary values in subject and predicate positions?
    Node s = m.getMatchSubject();
    Node p = m.getMatchPredicate();
    Node o = m.getMatchObject();
    // quickly return no results if RDF constraints for subject and predicate
    // are violated, as occurs in the Jena test suite for Graph.
    if ((s != null && s.isLiteral())
        || (p != null && (p.isLiteral() || p.isBlank()))) {
      result = conn.createRepositoryResult(new ArrayList<Statement>());
    } else {
      StatementCollector collector = new StatementCollector();
      conn.prepareHttpRepoClient().getStatements(
          vf.asResource(s), vf.asURI(p), vf.asValue(o),
          entailmentRegime, collector, contexts);
      result = conn.createRepositoryResult(collector.getStatements());
    }
  } catch (AGHttpException | RDFHandlerException e) {
    throw new RuntimeException(e);
  }
  return new AGTripleIterator(this, result);
}

代码示例来源：origin: apache/jena

@Override
protected ExtendedIterator<Triple> graphBaseFind(Triple m)
  Node s = m.getMatchSubject() ;
  Var sVar = null ;
  if ( s == null )

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

Node s = triple.getMatchSubject();
Node p = triple.getMatchPredicate();
Node o = triple.getMatchObject();

代码示例来源：origin: apache/jena

assertEquals(a, it3.next().getMatchSubject());

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

assertEquals(a, it3.next().getMatchSubject());