Examples of com.hp.hpl.jena.rdf.model.StmtIterator

com.hp.hpl.jena.rdf.model.StmtIterator
An iterator which returns RDF Statements.
RDF iterators are standard Java iterators, except that they have extras method to return specifically typed objects, in this case RDF Statements and have a close() method that should be called to free resources if the application does not complete the iteration.

      Resource assertion = resIterator.nextResource();
      
      Resource assertedComponent = assertion.getProperty(
          METAMODEL.assertedComponent).getResource();
      Resource type = null;
      StmtIterator typeIter = assertedComponent.listProperties(RDF.type);
      while (typeIter.hasNext()) {
        Resource currentType = typeIter.nextStatement().getResource();
        if (currentType.getNameSpace().equals(METAMODEL.getURI())) {
          type = currentType;
          break;
        }
      }

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          result.add(new GVSImpersonatePermission());
          result.add(new GVSSetClockPermission());
        }
        Resource userRes = getUserResource(principal.getUserName());
        if (userRes.hasProperty(RDF.type, AUTHORIZATION.ClockMaster));
        StmtIterator impersonateStmt = userRes.listProperties(AUTHORIZATION.mayImpersonate);
        while (impersonateStmt.hasNext()) {
          result.add(new GVSImpersonatePermission(new SourceImpl(impersonateStmt.nextStatement().getResource().toString())));
        }
      }
      
    //}
    return result;

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  /**
   * @return
   */
  private Set<Source> readSourcesFromMetaModel() {
    Set<Source> result = new HashSet<Source>();
    StmtIterator stmtIterator = metaModel.listStatements(null,
        METAMODEL.asserter, (Resource) null);
    while (stmtIterator.hasNext()) {
      result.add(new SourceImpl(stmtIterator.nextStatement()
          .getResource().getURI()));
    }
    return result;
  }

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      if (groundingMolecules == null) {
        final List<NonTerminalMolecule> resultList = new ArrayList<NonTerminalMolecule>();
        synchronized (this) {
          if (groundingMolecules == null) {


            StmtIterator containsStmts = resource
                .listProperties(METAMODEL.containsNonTerminalMolecule);
            while (containsStmts.hasNext()) {
              Resource ntMolRes = containsStmts.nextStatement()
                  .getResource();
              resultList.add(new FSNTMolecule(ntMolRes));
            }
            groundingMolecules = new AbstractSet<NonTerminalMolecule>() {

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   * @param serviceResource
   * @return
   */
  private Set<Source> getTrustedSources(Resource serviceResource) {
    Set<Source> result = new HashSet<Source>();
    StmtIterator trustProrpertyStmts = serviceResource.listProperties(SERVICES.trustedSource);
    while (trustProrpertyStmts.hasNext()) {
      Statement propertyStmt = trustProrpertyStmts.nextStatement();
      result.add(new SourceImpl(propertyStmt.getResource().getURI()));
    }
    return result;
  }

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  public void start() {
    int previousTrustedSourceSize = 0;
    while (trustedSources.size() > previousTrustedSourceSize) {
      previousTrustedSourceSize = trustedSources.size();
      Model currentModel = ModelFactory.createModelForGraph(store.getGraphOverTime(trustedSources).getGraph(new Date()));
      StmtIterator seeAlsoStmt = currentModel.listStatements(null, RDFS.seeAlso, (Resource)null);
      while(seeAlsoStmt.hasNext()) {
        Statement stmt = seeAlsoStmt.nextStatement();
        RDFNode object = stmt.getObject();
        try {
          Source seeAlsoSource = new SourceImpl(((Resource)object).getURI());
          if (trustedSources.contains(seeAlsoSource)) {
            continue;

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    Context ctx = new Context(new URI(resource.getURI()), xmlns, resource.getModel(),schemaMap,this);
    
    if (ctx.toXML(doc, resource)) return doc;


    GlozeURL.logger.warn("drop: no schema mapping for resource: "+resource);
    StmtIterator si = resource.listProperties();
    if (!si.hasNext()) 
      GlozeURL.logger.warn("because no properties, is gloze.uri correctly defined?");
    else while (si.hasNext()) {
      Property p = si.nextStatement().getPredicate();
      // skip eg. RDF:type
      if (p.getNameSpace().equals(RDF.getURI())) continue;
      GlozeURL.logger.warn("because no matching property: "+p.getURI());
    }
    // try no-schema mapping

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    this.map = ri.nextResource();
    if (ri.hasNext()) 
      log.warn("There is more than one map in the config file");
    
    StmtIterator si = map.listProperties(DbMap.mapsClass);
    while (si.hasNext())
    {
      Resource aClass = si.nextStatement().getResource();
      initFromClass(aClass);
    }  
    si.close();
    si = configModel.listStatements(null, DbMap.foreignKey, (RDFNode) null);
    while (si.hasNext())
    {
      Statement s = si.nextStatement();
      Col subj = prop2col.get(s.getSubject());
      Col obj = prop2col.get(s.getObject());
      if (subj == null || obj == null)
        log.warn("Foreign key missed: " + s);
      subj.setForeignKey(obj);

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    {
      Resource prop = ri.nextResource();
      Col col = new Col(prop, table);
      prop2col.put(prop, col);
    }
    StmtIterator si = aClass.listProperties(DbMap.primaryKey);
    while (si.hasNext())
    {
      Resource primKey = si.nextStatement().getResource();
      Col primCol = prop2col.get(primKey);
      if (primCol == null)
        throw new ConfigException("Primary key unknown: " + primKey);
      else
        primCol.setIsPrimaryKey(true);

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    static public void main(String...argv)
    {
        Store store = StoreFactory.create("sdb.ttl") ;
        Model model = SDBFactory.connectDefaultModel(store) ;
        
        StmtIterator sIter = model.listStatements() ;
        for ( ; sIter.hasNext() ; )
        {
            Statement stmt = sIter.nextStatement() ;
            System.out.println(stmt) ;
        }
        sIter.close() ;
        store.close() ;
    }

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