Examples of org.openrdf.query.algebra.ValueConstant

org.openrdf.query.algebra.ValueConstant
A ValueExpr with a constant value.


  @Override
  public ValueConstant visit(ASTBooleanConstant node, Object data)
    throws VisitorException
  {
    return new ValueConstant(valueFactory.createLiteral(node.getValue()));
  }

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  @Override
  public FunctionCall visit(ASTFunctionCall node, Object data)
    throws VisitorException
  {
    ValueConstant vc = (ValueConstant)node.getURI().jjtAccept(this, null);
    assert vc.getValue() instanceof URI;


    FunctionCall functionCall = new FunctionCall(vc.getValue().toString());


    for (ASTValueExpr argExpr : node.getArgList()) {
      functionCall.addArg((ValueExpr)argExpr.jjtAccept(this, null));
    }

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  @Override
  public ValueConstant visit(ASTURI node, Object data)
    throws VisitorException
  {
    return new ValueConstant(valueFactory.createURI(node.getValue()));
  }

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  @Override
  public ValueConstant visit(ASTBNode node, Object data)
    throws VisitorException
  {
    return new ValueConstant(valueFactory.createBNode(node.getID()));
  }

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    }
    else {
      literal = valueFactory.createLiteral(litNode.getLabel());
    }


    return new ValueConstant(literal);
  }

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    for (Var var : constructVars) {
      if (var.isAnonymous() && !extElemMap.containsKey(var)) {
        ValueExpr valueExpr;


        if (var.hasValue()) {
          valueExpr = new ValueConstant(var.getValue());
        }
        else {
          valueExpr = new BNodeGenerator();
        }

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  @Override
  public Object visit(ASTFunctionCall node, Object data)
    throws VisitorException
  {
    ValueConstant uriNode = (ValueConstant)node.jjtGetChild(0).jjtAccept(this, null);
    URI functionURI = (URI)uriNode.getValue();


    FunctionCall functionCall = new FunctionCall(functionURI.toString());


    for (int i = 1; i < node.jjtGetNumChildren(); i++) {
      Node argNode = node.jjtGetChild(i);

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    catch (IllegalArgumentException e) {
      // invalid URI
      throw new VisitorException(e.getMessage());
    }


    return new ValueConstant(uri);
  }

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    }
    else {
      literal = valueFactory.createLiteral(label);
    }


    return new ValueConstant(literal);
  }

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  @Override
  public ValueConstant visit(ASTNumericLiteral node, Object data)
    throws VisitorException
  {
    Literal literal = valueFactory.createLiteral(node.getValue(), node.getDatatype());
    return new ValueConstant(literal);
  }

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Related Classes of org.openrdf.query.algebra.ValueConstant

org.openrdf.query.algebra.evaluation.impl.ConstantOptimizer$ConstantVisitor

org.openrdf.query.parser.serql.ConstructorBuilder

org.openrdf.query.parser.serql.QueryModelBuilder

org.openrdf.query.parser.sparql.TupleExprBuilder

org.openrdf.sail.rdbms.mysql.MySqlConnectionFactory

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