Examples of DetermineNodeType

Examples of de.fuberlin.wiwiss.d2rq.nodes.DetermineNodeType

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        ValueMaker vm = ((TypedNodeMaker) nm).valueMaker();
        Node node = constant.getNode();
        logger.debug("checking " + node + " with " + nm);
       
        if (XSD.isNumeric(node)) {
          DetermineNodeType filter = new DetermineNodeType();
          nm.describeSelf(filter);
          RDFDatatype datatype = filter.getDatatype();
          if (datatype != null && XSD.isNumeric(datatype)) {
            RDFDatatype numericType = XSD.getNumericType(datatype, node.getLiteralDatatype());
            nm = cast(nm, numericType);
            node = XSD.cast(node, numericType);
          }
        }
       
        boolean empty = nm.selectNode(node, RelationalOperators.DUMMY).equals(NodeMaker.EMPTY);
        logger.debug("result " + new Boolean(empty));
        if (!empty) {
          if (node.isURI())
            expression.push(vm.valueExpression(node.getURI()));
          else if (node.isLiteral()) {
            if (XSD.isSupported(node.getLiteralDatatype()))
              expression.push(vm.valueExpression(constant.value()));
            else
              conversionFailed("cannot compare values of type " + node.getLiteralDatatypeURI(), expr);
          } else
            conversionFailed(expr); // TODO blank nodes?
          return;
        } else {
          expression.push(Expression.FALSE);
          return;
        }
      } else {
        logger.warn("nm is not a TypedNodemaker");
      }
    } else if (e1 instanceof ConstantEx && e2 instanceof ConstantEx) {
      logger.debug("isEqual(" + e1 + ", " + e2 + ")");
      Node c1 = ((ConstantEx) e1).getNode();
      Node c2 = ((ConstantEx) e2).getNode();
      boolean equals;
      if (XSD.isNumeric(c1) && XSD.isNumeric(c2)) {
        RDFDatatype datatype = XSD.getNumericType(c1.getLiteralDatatype(), c2.getLiteralDatatype());
        equals = XSD.cast(c1, datatype).equals(XSD.cast(c2, datatype));
      } else if (isSimpleLiteral(c1) && isSimpleLiteral(c2)) {
        equals = c1.getLiteralValue().equals(c2.getLiteralValue());
      } else if (XSD.isString(c1) && XSD.isString(c2)) {
        equals = c1.getLiteralValue().equals(c2.getLiteralValue());
      } else {
        try {
          equals = NodeFunctions.rdfTermEquals(c1, c2);
        } catch (ExprEvalException e) {
          equals = false;
        }
      }
      logger.debug("constants equal? " + new Boolean(equals));
      expression.push(equals ? Expression.TRUE : Expression.FALSE);
      return;
    } else if (e1 instanceof AttributeExprEx && e2 instanceof AttributeExprEx) {
      logger.debug("isEqual(" + e1 + ", " + e2 + ")");
      AttributeExprEx variable1 = (AttributeExprEx) e1;
      AttributeExprEx variable2 = (AttributeExprEx) e2;
     
      NodeMaker nm1 = variable1.getNodeMaker();
      NodeMaker nm2 = variable2.getNodeMaker();
     
      DetermineNodeType filter1 = new DetermineNodeType();
      nm1.describeSelf(filter1);
      RDFDatatype datatype1 = filter1.getDatatype();
     
      DetermineNodeType filter2 = new DetermineNodeType();
      nm2.describeSelf(filter2);
      RDFDatatype datatype2 = filter2.getDatatype();
     
      if (datatype1 != null && XSD.isNumeric(datatype1) && datatype2 != null && XSD.isNumeric(datatype2)) {
        RDFDatatype numericType = XSD.getNumericType(filter1.getDatatype(), filter2.getDatatype());
        nm1 = cast(nm1, numericType);
        nm2 = cast(nm2, numericType);
      }
      NodeSetConstraintBuilder nodeSet = new NodeSetConstraintBuilder();
      nm1.describeSelf(nodeSet);
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Examples of de.fuberlin.wiwiss.d2rq.nodes.DetermineNodeType

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      if (nm instanceof TypedNodeMaker) {
        ValueMaker vm = ((TypedNodeMaker) nm).valueMaker();
        Node node = constant.getNode();
        logger.debug("checking " + node + " with " + nm);
        if (XSD.isNumeric(node)) {
          DetermineNodeType filter = new DetermineNodeType();
          nm.describeSelf(filter);
          RDFDatatype datatype = filter.getDatatype();
          if (datatype != null && XSD.isNumeric(datatype)) {
            RDFDatatype numericType = XSD.getNumericType(datatype, node.getLiteralDatatype());
            nm = cast(nm, numericType);
            node = XSD.cast(node, numericType);
          }
        }
        boolean empty = nm.selectNode(node, RelationalOperators.DUMMY).equals(NodeMaker.EMPTY);
        logger.debug("result " + new Boolean(empty));
        if (!empty) {
          if (node.isURI())
            expression.push(new Negation(vm.valueExpression(node.getURI())));
          else if (node.isLiteral()) {
            if (XSD.isSupported(node.getLiteralDatatype()))
              expression.push(new Negation(vm.valueExpression(constant.value())));
            else // type = boolean or an unknown type
              conversionFailed("cannot compare values of type " + node.getLiteralDatatypeURI(), expr);
          } else
            conversionFailed(expr); // TODO blank nodes?
          return;
        } else {
          expression.push(Expression.TRUE);
          return;
        }
      }
    } else if (e1 instanceof ConstantEx && e2 instanceof ConstantEx) {
      logger.debug("isNotEqual(" + e1 + ", " + e2 + ")");
      Node c1 = ((ConstantEx) e1).getNode();
      Node c2 = ((ConstantEx) e2).getNode();
      boolean equals;
      if (XSD.isNumeric(c1) && XSD.isNumeric(c2)) {
        RDFDatatype datatype = XSD.getNumericType(c1.getLiteralDatatype(), c2.getLiteralDatatype());
        equals = XSD.cast(c1, datatype).equals(XSD.cast(c2, datatype));
      } else if (isSimpleLiteral(c1) && isSimpleLiteral(c2)) {
        equals = c1.getLiteralValue().equals(c2.getLiteralValue());
      } else if (XSD.isString(c1) && XSD.isString(c2)) {
        equals = c1.getLiteralValue().equals(c2.getLiteralValue());
      } else {
        try {
          equals = NodeFunctions.rdfTermEquals(c1, c2);
        } catch (ExprEvalException e) {
          equals = false;
        }
      }
      logger.debug("constants equal? " + new Boolean(equals));
      expression.push(equals ? Expression.FALSE : Expression.TRUE);
      return;
    } else if (e1 instanceof AttributeExprEx && e2 instanceof AttributeExprEx) {
      logger.debug("isNotEqual(" + e1 + ", " + e2 + ")");
      AttributeExprEx variable1 = (AttributeExprEx) e1;
      AttributeExprEx variable2 = (AttributeExprEx) e2;
     
      NodeMaker nm1 = variable1.getNodeMaker();
      NodeMaker nm2 = variable2.getNodeMaker();
     
      DetermineNodeType filter1 = new DetermineNodeType();
      nm1.describeSelf(filter1);
      RDFDatatype datatype1 = filter1.getDatatype();
     
      DetermineNodeType filter2 = new DetermineNodeType();
      nm2.describeSelf(filter2);
      RDFDatatype datatype2 = filter2.getDatatype();
     
      if (datatype1 != null && XSD.isNumeric(datatype1) && datatype2 != null && XSD.isNumeric(datatype2)) {
        RDFDatatype numericType = XSD.getNumericType(filter1.getDatatype(), filter2.getDatatype());
        nm1 = cast(nm1, numericType);
        nm2 = cast(nm2, numericType);
      }
     
      NodeSetConstraintBuilder nodeSet = new NodeSetConstraintBuilder();
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Examples of de.fuberlin.wiwiss.d2rq.nodes.DetermineNodeType

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    Expression arg = expression.pop();
   
    if (arg instanceof AttributeExprEx) {
      AttributeExprEx variable = (AttributeExprEx) arg;
      NodeMaker nm = variable.getNodeMaker();
      DetermineNodeType filter = new DetermineNodeType();
      nm.describeSelf(filter);
      expression.push(filter.isLimittedToURIs() ? Expression.TRUE : Expression.FALSE);
    } else if (arg instanceof ConstantEx) {
      ConstantEx constant = (ConstantEx) arg;
      Node node = constant.getNode();
      expression.push(node.isURI() ? Expression.TRUE : Expression.FALSE);
    } else {
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Examples of de.fuberlin.wiwiss.d2rq.nodes.DetermineNodeType

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    Expression arg = expression.pop();
   
    if (arg instanceof AttributeExprEx) {
      AttributeExprEx variable = (AttributeExprEx) arg;
      NodeMaker nm = variable.getNodeMaker();
      DetermineNodeType filter = new DetermineNodeType();
      nm.describeSelf(filter);
      expression.push(filter.isLimittedToBlankNodes() ? Expression.TRUE : Expression.FALSE);
    } else if (arg instanceof ConstantEx) {
      ConstantEx constant = (ConstantEx) arg;
      Node node = constant.getNode();
      expression.push(node.isBlank() ? Expression.TRUE : Expression.FALSE);
    } else {
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Examples of de.fuberlin.wiwiss.d2rq.nodes.DetermineNodeType

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    if (arg instanceof AttributeExprEx) {
      AttributeExprEx variable = (AttributeExprEx) arg;
      NodeMaker nm = variable.getNodeMaker();
     
      DetermineNodeType filter = new DetermineNodeType();
      nm.describeSelf(filter);
      expression.push(filter.isLimittedToLiterals() ? Expression.TRUE : Expression.FALSE);
    } else if (arg instanceof ConstantEx) {
      ConstantEx constant = (ConstantEx) arg;
      Node node = constant.getNode();
      expression.push(node.isLiteral() ? Expression.TRUE : Expression.FALSE);
    } else {
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Examples of de.fuberlin.wiwiss.d2rq.nodes.DetermineNodeType

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    Expression arg = expression.pop();
   
    if (arg instanceof AttributeExprEx) {
      AttributeExprEx variable = (AttributeExprEx) arg;
      NodeMaker nm = variable.getNodeMaker();
      DetermineNodeType filter = new DetermineNodeType();
      nm.describeSelf(filter);
      String lang = filter.getLanguage();
      logger.debug("lang " + lang);
      if (lang == null)
        lang = "";
     
      // NodeValue.makeString(lang); TODO better?
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Examples of de.fuberlin.wiwiss.d2rq.nodes.DetermineNodeType

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    Expression arg = expression.pop();
   
    if (arg instanceof AttributeExprEx) {
      AttributeExprEx variable = (AttributeExprEx) arg;
      NodeMaker nm = variable.getNodeMaker();
      DetermineNodeType filter = new DetermineNodeType();
      nm.describeSelf(filter);
      if (!filter.isLimittedToLiterals()) {
        // type error, return false?
        logger.warn("type error: " + variable + " is not a literal, returning FALSE");
        expression.push(Expression.FALSE);
        return;
      }
      RDFDatatype datatype = filter.getDatatype();
      logger.debug("datatype " + datatype);
     
      Node node = Node.createURI((datatype != null) ? datatype.getURI() : XSDDatatype.XSDstring.getURI());
     
      ConstantEx constantEx = new ConstantEx(NodeValue.makeNode(node).asString(), node);
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