Class BooleanFunction

Represents the XPath boolean() function.
Inheritance
System.Object
BaseUnaryExpression
BooleanFunction
Implements
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: VDS.RDF.Query.Expressions.Functions.XPath
Assembly: dotNetRDF.dll
Syntax
public class BooleanFunction : BaseUnaryExpression, ISparqlExpression

Constructors

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BooleanFunction(ISparqlExpression)

Creates a new XPath Boolean Function.
Declaration
public BooleanFunction(ISparqlExpression expr)
Parameters
Type Name Description
ISparqlExpression expr Expression to compute the Effective Boolean Value of.

Properties

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Functor

Gets the Functor of the Expression.
Declaration
public override string Functor { get; }
Property Value
Type Description
System.String
Overrides
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Type

Gets the Type of the Expression.
Declaration
public override SparqlExpressionType Type { get; }
Property Value
Type Description
SparqlExpressionType
Overrides

Methods

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Evaluate(SparqlEvaluationContext, Int32)

Evaluates the expression.
Declaration
public override IValuedNode Evaluate(SparqlEvaluationContext context, int bindingID)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
System.Int32 bindingID Binding ID.
Returns
Type Description
IValuedNode
Overrides
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ToString()

Gets the String representation of the function.
Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
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Transform(IExpressionTransformer)

Transforms the Expression using the given Transformer.
Declaration
public override ISparqlExpression Transform(IExpressionTransformer transformer)
Parameters
Type Name Description
IExpressionTransformer transformer Expression Transformer.
Returns
Type Description
ISparqlExpression
Overrides

Implements

Extension Methods