Package lupos.sparql1_1

Examples of lupos.sparql1_1.Node.accept()

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      n = node.jjtGetChild(i); // get next child (which is sort condition)

      // parse node with the filter...
      final SPARQLParserVisitorImplementationDumper filterDumper = new SPARQLParserVisitorImplementationDumper();
      final String sortString = n.accept(filterDumper);

      try {
        final SortContainer sc = new SortContainer(this.prefix, desc,
            sortString); // create SortContainer
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    final PatternMatcher oldPatternMatcher = this.indexScanCreator_Stream.getCurrentPatternMatcher();
    this.indexScanCreator_Stream.setCurrentPatternMatcher(currentPatternMatcher);
    for (int i = 0; i < node.jjtGetNumChildren(); i++) {
      final Node n = node.jjtGetChild(i);
      if (!(n instanceof ASTType)) {
        n.accept(this, connection, graphConstraint);
      }
    }
    this.indexScanCreator_Stream.setCurrentPatternMatcher(oldPatternMatcher);
  }
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      }
    }
    for (int i = index; i < node.jjtGetNumChildren(); i++) {
      final Node childi = node.jjtGetChild(i);
      if(childi instanceof ASTGroupConstraint) {
        childi.accept(this, connection, null);
      } else {
        if(!(childi instanceof ASTStream)){
          childi.accept(this, connection);
        }
      }
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      final Node childi = node.jjtGetChild(i);
      if(childi instanceof ASTGroupConstraint) {
        childi.accept(this, connection, null);
      } else {
        if(!(childi instanceof ASTStream)){
          childi.accept(this, connection);
        }
      }
    }
  }
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        }
        final Node objectNode = tripleSet.jjtGetChild(2);


        final Node predicateNode = tripleSet.jjtGetChild(1);
        final BasicOperator startingOperator = predicateNode.accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);

        if(!subjectIsALiteral && !objectIsALiteral){
          startingOperator.addSucceedingOperator(connection.getOperatorIDTuple());
        }
        else
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    if(USE_CLOSURE_AND_PATHLENGTHZERO_OPERATORS){
      Node predicateNode = node.jjtGetChild(0);
      while (predicateNode instanceof ASTOptionalOccurence){
        predicateNode = predicateNode.jjtGetChild(0);
      }
      final BasicOperator startingOperator = predicateNode.accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);

      final Item[] items = {subject,this.getVariable(subject.toString(),object.toString(),"predicate"),object};
      final TriplePattern tp = new TriplePattern(items);
      final LinkedList<TriplePattern> temp = new LinkedList<TriplePattern>();
      temp.add(tp);
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      Node predicateNode = node.jjtGetChild(0);
      while (predicateNode instanceof ASTArbitraryOccurences ||
          predicateNode instanceof ASTArbitraryOccurencesNotZero){
        predicateNode = predicateNode.jjtGetChild(0);
      }
      final BasicOperator startingOperator = predicateNode.accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);
      // System.out.println(startingOperator);

      Set<Literal> allowedObjects = null;
      Set<Literal> allowedSubjects = null;
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    if(USE_CLOSURE_AND_PATHLENGTHZERO_OPERATORS){
      Node predicateNode = node.jjtGetChild(0);
      while (predicateNode instanceof ASTArbitraryOccurences ||
          predicateNode instanceof ASTArbitraryOccurencesNotZero){
        if(predicateNode instanceof ASTArbitraryOccurences){
          return predicateNode.accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);
        }
        predicateNode = predicateNode.jjtGetChild(0);
      }
      final BasicOperator startingOperator = predicateNode.accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);
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        if(predicateNode instanceof ASTArbitraryOccurences){
          return predicateNode.accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);
        }
        predicateNode = predicateNode.jjtGetChild(0);
      }
      final BasicOperator startingOperator = predicateNode.accept(this, connection, graphConstraint, subject, object, subjectNode, objectNode);

      Set<Literal> allowedObjects = null;
      Set<Literal> allowedSubjects = null;

      if(node.jjtGetParent() instanceof ASTTripleSet){
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    try {
      // ------------------------------------------------------------------
      for (int i = 0; i < node.jjtGetNumChildren(); i++) {
        final Node n = node.jjtGetChild(i);
        if (n instanceof ASTFilterConstraint) {
          n.accept(this, connection, graphConstraint);
        }
      }
      for (int i = 0; i < node.jjtGetNumChildren(); i++) {
        final Node n = node.jjtGetChild(i);
        if (n instanceof ASTBind) {
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