Interface ITriplePattern

Interface for Triple Patterns.

Inherited Members
Namespace: VDS.RDF.Query.Patterns
Assembly: dotNetRdf.dll
Syntax
public interface ITriplePattern : IComparable<ITriplePattern>, IProcessable, IVisitable

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
IEnumerable<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
IEnumerable<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
bool
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IsAcceptAll

Gets whether the Pattern accepts all.

Declaration
bool IsAcceptAll { get; }
Property Value
Type Description
bool
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
bool
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
List<string>

Extension Methods