Class ZeroLengthPath

Represents a Zero Length Path in the SPARQL Algebra.

Inheritance
System.Object
BasePathOperator
ZeroLengthPath
Implements
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
Namespace: VDS.RDF.Query.Algebra
Assembly: dotNetRdf.dll
Syntax
public class ZeroLengthPath : BasePathOperator, IPathOperator, ISparqlAlgebra, IVisitable, IProcessable

Constructors

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ZeroLengthPath(PatternItem, PatternItem, ISparqlPath)

Creates a new Zero Length Path.

Declaration
public ZeroLengthPath(PatternItem start, PatternItem end, ISparqlPath path)
Parameters
Type Name Description
PatternItem start

Path Start.
PatternItem end

Path End.
ISparqlPath path

Property Path.

Methods

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Accept<T>(ISparqlAlgebraVisitor<T>)

Declaration
public override T Accept<T>(ISparqlAlgebraVisitor<T> visitor)
Parameters
Type Name Description
ISparqlAlgebraVisitor<T> visitor
Returns
Type Description
T
Type Parameters
Name Description
T
Overrides
VDS.RDF.Query.Algebra.BasePathOperator.Accept<T>(VDS.RDF.Query.ISparqlAlgebraVisitor<T>)
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Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext>, TContext)

Declaration
public override TResult Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext> processor, TContext context)
Parameters
Type Name Description
ISparqlQueryAlgebraProcessor<TResult, TContext> processor
TContext context
Returns
Type Description
TResult
Type Parameters
Name Description
TResult
TContext
Overrides
VDS.RDF.Query.Algebra.BasePathOperator.Accept<TResult, TContext>(VDS.RDF.Query.ISparqlQueryAlgebraProcessor<TResult, TContext>, TContext)
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AreBothTerms()

Return true if both the path start and the path end are fixed terms, or false if either start or end are a variable.

Declaration
public bool AreBothTerms()
Returns
Type Description
System.Boolean
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AreSameTerms()

Return true of the path start and path end reference the same term, false otherwise.

Declaration
public bool AreSameTerms()
Returns
Type Description
System.Boolean
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ToGraphPattern()

Transforms the Algebra back into a Graph Pattern.

Declaration
public override GraphPattern ToGraphPattern()
Returns
Type Description
GraphPattern
Overrides
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ToString()

Gets the String representation of the Algebra.

Declaration
public override string ToString()
Returns
Type Description
string
Overrides

Implements

Extension Methods