Filter Class

Represents a Filter.

Inheritance Hierarchy

SystemObject
VDS.RDF.Query.AlgebraFilter

Namespace: VDS.RDF.Query.Algebra
Assembly: dotNetRDF (in dotNetRDF.dll) Version:

Syntax

public class Filter : IFilter, IUnaryOperator, 
	ISparqlAlgebra

Public Class Filter
	Implements IFilter, IUnaryOperator, ISparqlAlgebra

The Filter type exposes the following members.

Constructors

	Name	Description
	Filter	Creates a new Filter.

Properties

	Name	Description
	FixedVariables	Gets the enumeration of fixed variables in the algebra i.e. variables that are guaranteed to have a bound value.
	FloatingVariables	Gets the enumeration of floating variables in the algebra i.e. variables that are not guaranteed to have a bound value.
	InnerAlgebra	Gets the Inner Algebra.
	SparqlFilter	Gets the Filter to be used.
	Variables	Gets the Variables used in the Algebra.

Methods

	Name	Description
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Evaluate	Applies the Filter over the results of evaluating the inner pattern.
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToGraphPattern	Converts the Algebra back to a Graph Pattern.
	ToQuery	Converts the Algebra back to a SPARQL Query.
	ToString	Gets the String representation of the FILTER. (Overrides ObjectToString.)
	Transform	Transforms the Inner Algebra using the given Optimiser.