Interface ITriplePattern

Interface for Triple Patterns.
Inherited Members
System.IComparable<VDS.RDF.Query.Patterns.ITriplePattern>.CompareTo(VDS.RDF.Query.Patterns.ITriplePattern)
Namespace: VDS.RDF.Query.Patterns
Assembly: dotNetRDF.dll
Syntax
public interface ITriplePattern : IComparable<ITriplePattern>

Properties

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FixedVariables

Gets the enumeration of fixed variables in the pattern i.e. variables that are guaranteed to have a bound value.
Declaration
IEnumerable<string> FixedVariables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.String>
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FloatingVariables

Gets the enumeration of floating variables in the pattern i.e. variables that are not guaranteed to have a bound value.
Declaration
IEnumerable<string> FloatingVariables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.String>
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HasNoBlankVariables

Gets whether a Triple Pattern does not contain any Blank Variables.
Declaration
bool HasNoBlankVariables { get; }
Property Value
Type Description
System.Boolean
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IsAcceptAll

Gets whether the Pattern accepts all.
Declaration
bool IsAcceptAll { get; }
Property Value
Type Description
System.Boolean
Remarks
Indicates that a Pattern is of the form ?s ?p ?o.
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PatternType

Gets the Pattern Type.
Declaration
TriplePatternType PatternType { get; }
Property Value
Type Description
TriplePatternType
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UsesDefaultDataset

Gets whether a Triple Pattern uses the Default Dataset when evaluated.
Declaration
bool UsesDefaultDataset { get; }
Property Value
Type Description
System.Boolean
Remarks
Almost all Triple Patterns use the Default Dataset unless they are sub-query patterns which themselves don't use the Default Dataset or they contain an expression (in the case of BIND/LET/FILTERs) which does not use the Default Dataset.
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Variables

Gets the List of Variables used in the Pattern.
Declaration
List<string> Variables { get; }
Property Value
Type Description
System.Collections.Generic.List<System.String>

Methods

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Evaluate(SparqlEvaluationContext)

Evaluates the Triple Pattern in the given Evaluation Context.
Declaration
void Evaluate(SparqlEvaluationContext context)
Parameters
Type Name Description
SparqlEvaluationContext context Query Evaluation Context.

Extension Methods