Class IdentityFilter

Represents a special case Filter where the Filter restricts a variable to just one value i.e. FILTER(?x = <value>).
Inheritance
System.Object
VariableRestrictionFilter
SingleValueRestrictionFilter
IdentityFilter
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.Algebra
Assembly: dotNetRDF.dll
Syntax
public class IdentityFilter : SingleValueRestrictionFilter, IFilter, IUnaryOperator, ISparqlAlgebra

Constructors

| Improve this Doc View Source

IdentityFilter(ISparqlAlgebra, String, ConstantTerm)

Creates a new Identity Filter.
Declaration
public IdentityFilter(ISparqlAlgebra pattern, string var, ConstantTerm term)
Parameters
Type Name Description
ISparqlAlgebra pattern Algebra the Filter applies over.
System.String var Variable to restrict on.
ConstantTerm term Expression Term.

Methods

| Improve this Doc View Source

Transform(IAlgebraOptimiser)

Transforms the Inner Algebra using the given Optimiser.
Declaration
public override ISparqlAlgebra Transform(IAlgebraOptimiser optimiser)
Parameters
Type Name Description
IAlgebraOptimiser optimiser Optimiser.
Returns
Type Description
ISparqlAlgebra
Overrides

Implements

Extension Methods