Extend Class

Represents an Extend operation which is the formal algebraic form of the BIND operation.

Inheritance Hierarchy

SystemObject
VDS.RDF.Query.AlgebraExtend

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

Syntax

public class Extend : IUnaryOperator, ISparqlAlgebra

Public Class Extend
	Implements IUnaryOperator, ISparqlAlgebra

The Extend type exposes the following members.

Constructors

	Name	Description
	Extend	Creates a new Extend operator.

Properties

	Name	Description
	AssignExpression	Gets the Assignment Expression.
	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.
	VariableName	Gets the Variable Name to be bound.
	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	Evaluates the Algebra in the given context.
	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 to a Graph Pattern.
	ToQuery	Converts the Algebra to a Query.
	ToString	Gets the String representation of the Extend. (Overrides ObjectToString.)
	Transform	Transforms the Inner Algebra using the given Optimiser.