Package lupos.sparql1_1

Examples of lupos.sparql1_1.ASTFilterConstraint

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  public void prooveBoundedGroup(final lupos.sparql1_1.Node node) {
    if (node.jjtGetChild(0) instanceof ASTAggregation) {
      for (int index = 0; index < node.jjtGetNumChildren(); index++) {
        if (node.jjtGetParent().jjtGetChild(index) instanceof ASTVar) {
          ASTVar varNode = (ASTVar) node.jjtGetParent().jjtGetChild(index);
          final Variable selectVar = new Variable(varNode.getName());
          boolean varChecked = false;
          for (int g = 0; g < node.jjtGetParent().jjtGetNumChildren(); g++) {
            if (node.jjtGetParent().jjtGetChild(g) instanceof ASTGroup) {
              if (node.jjtGetParent().jjtGetChild(g).jjtGetChild(0) instanceof ASTAs) {
                varNode = (ASTVar) node.jjtGetParent().jjtGetChild(g).jjtGetChild(0).jjtGetChild(1);
              } else {
                varNode = (ASTVar) node.jjtGetParent().jjtGetChild(g).jjtGetChild(0);
              }
              final Variable groupVar = new Variable(varNode.getName());
              if (groupVar.equals(selectVar)) {
                varChecked = true;
              }
            }
          }
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    // Getting the variables which are used in the BINDINGS clause
    final LinkedList<Variable> varList = new LinkedList<Variable>();

    for (int k = 0; k < node.jjtGetNumChildren(); k++) {
      if (node.jjtGetChild(k) instanceof ASTVar) {
        final ASTVar var2 = (ASTVar) node.jjtGetChild(k);
        final Variable variable = new Variable(var2.getName());
        varList.add(variable);
      }
    }

    // Creating the bindings with the variables and the literals
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        }
      }
      for (int i = 0; i < node.jjtGetNumChildren(); i++) {
        final Node n = node.jjtGetChild(i);
        if (n instanceof ASTBind) {
          final ASTVar variable = (ASTVar) n.jjtGetChild(1);
          final Variable variable2 = new Variable(variable.getName());
          final Bind b = new Bind(variable2);
          b.addProjectionElement(variable2, n.jjtGetChild(0));
          connection.connectAndSetAsNewOperatorConnection(b, 0);
        }
      }
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    // create list for SortContainers...
    final LinkedList<SortContainer> scl = new LinkedList<SortContainer>();

    // walk through children...
    for (int i = 0; i < node.jjtGetNumChildren(); ++i) {
      Node n = node.jjtGetChild(i); // get current child

      boolean desc = false; // set order ASC as default

      // current node is Order node...
      if (n instanceof ASTAscOrder || n instanceof ASTDescOrder) {
        if (n instanceof ASTDescOrder) // reset order value to DESC...
          desc = true;

        i++; // increase counter to get next child (which is sort
        // condition)
      }

      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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  @SuppressWarnings("unchecked")
  public Object visit(final ASTTripleSet node, final Object data) {
    final Item[] item = { null, null, null };

    for (int i = 0; i < 3; i++) {
      final Node n = node.jjtGetChild(i);
      item[i] = lupos.sparql1_1.operatorgraph.SPARQLCoreParserVisitorImplementation.getItem(n);
    }

    final HashMap<Item, QueryRDFTerm> rdfHash = (HashMap<Item, QueryRDFTerm>) data;
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    // if AST exists...
    if (debugViewerCreator!=null && debugViewerCreator instanceof SPARQLDebugViewerCreator
        && ((SPARQLDebugViewerCreator) debugViewerCreator).getAST() != null) {

      final Node ast = ((SPARQLDebugViewerCreator) debugViewerCreator).getAST(); // get AST

      // walk through first level children of AST...
      for (int i = 0; i < ast.jjtGetNumChildren(); ++i) {
        final Node child = ast.jjtGetChild(i); // get current child

        if (child instanceof ASTSelectQuery) {
          final ASTSelectQuery selectChild = (ASTSelectQuery) child;

          // SELECT is not the wildcard *...
          if (!selectChild.isSelectAll()) {
            // walk through select children...
            for (int j = 0; j < selectChild.jjtGetNumChildren(); ++j) {
              final Node selectChildChild = selectChild
              .jjtGetChild(j);

              // child of select is variable...
              if (selectChildChild instanceof ASTVar) {
                final ASTVar var = (ASTVar) selectChildChild;

                // add name of variable to order...
                if (!resultOrder.contains(var.getName())) {
                  resultOrder.add(var.getName());
                }
              } else if (selectChildChild instanceof ASTAs) {
                for (int j1 = 0; j1 < selectChildChild
                .jjtGetNumChildren(); ++j1) {
                  final Node selectChildChildChild = selectChildChild
                  .jjtGetChild(j1);
                  if (selectChildChildChild instanceof ASTVar) {
                    final ASTVar var = (ASTVar) selectChildChildChild;

                    // add name of variable to order...
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        ret += "\n";
        final String orderByClause = " ORDER BY "
          + toBeSorted.toString() + "\n";
        boolean ORDERBYADDED = false;
        while (i < node.jjtGetNumChildren()) {
          final Node child = node.jjtGetChild(i);
          if (!ORDERBYADDED
              && (child instanceof ASTOrderConditions
                  || child instanceof ASTLimit || child instanceof ASTOffset)) {
            ORDERBYADDED = true;
            ret += orderByClause;
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  private static void determineVariables(final Node root,
      final Set<String> variables) {
    if (root instanceof ASTSelectQuery) {
      for (int i = 0; i < root.jjtGetNumChildren(); i++) {
        final Node node = root.jjtGetChild(i);
        if (node instanceof ASTGroupConstraint)
          determineVariables(node, variables);
      }
    } else {
      if (root instanceof ASTVar) {
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  public DebugContainerQuery<BasicOperatorByteArray, Node> compileQueryDebugByteArray(
      final String query, final Prefix prefixInstance) throws ParseException {
    final SimpleNode root = StreamSPARQL1_1Parser.parse(query);
    if(root!=null){
      for (int i = 0; i < root.jjtGetNumChildren(); ++i) {
        final Node child = root.jjtGetChild(i); // get current child

        if (child instanceof ASTPrefixDecl) {
          // get prefix...
          final String prefix = ((ASTPrefixDecl) child).getPrefix();

          // get child of PrefixDecl to get the namespace...
          final Node prefixDeclChild = child.jjtGetChild(0);

          // if child of PrefixDecl is QuotedURIRef...
          if (prefixDeclChild instanceof ASTQuotedURIRef) {
            // get namespace...
            final String namespace = ((ASTQuotedURIRef) prefixDeclChild).toQueryString();
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    return msg;
  }

  public FederatedQuery(final Node federatedQuery) {
    this.federatedQuery = federatedQuery;
    final Node child0 = this.federatedQuery.jjtGetChild(0);
    if (child0 instanceof ASTVar) {
      this.endpoint = new Variable(((ASTVar) child0).getName());
    } else {
      this.endpoint = LiteralFactory.createURILiteralWithoutLazyLiteralWithoutException("<" + child0.toString() + ">");
    }
    this.variablesInServiceCall = new HashSet<Variable>();
    FederatedQuery.checkVariables(this.federatedQuery.jjtGetChild(1), this.variablesInServiceCall);
    this.surelyBoundVariablesInServiceCall = this.getSurelyBoundVariables();
  }
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Related Classes of lupos.sparql1_1.ASTFilterConstraint

  • lupos.datastructures.items.Item
  • lupos.datastructures.items.literal.LazyLiteral
  • lupos.datastructures.items.literal.Literal
  • lupos.datastructures.items.literal.URILiteral
  • lupos.datastructures.items.Variable
  • lupos.engine.evaluators.BasicIndexQueryEvaluator
  • lupos.engine.evaluators.StreamQueryEvaluator
  • lupos.engine.operators.application.CollectResult
  • lupos.engine.operators.BasicOperator
  • lupos.engine.operators.messages.BoundVariablesMessage
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