Class SubQueryPattern

Class for representing Sub-queries which occur as part of a SPARQL query.
Inheritance
System.Object
BaseTriplePattern
SubQueryPattern
Implements
System.IComparable<ITriplePattern>
System.IComparable<ISubQueryPattern>
System.IComparable<SubQueryPattern>
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: VDS.RDF.Query.Patterns
Assembly: dotNetRDF.dll
Syntax
public class SubQueryPattern : BaseTriplePattern, ISubQueryPattern, ITriplePattern, IComparable<ITriplePattern>, IComparable<ISubQueryPattern>, IComparable<SubQueryPattern>

Constructors

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SubQueryPattern(SparqlQuery)

Creates a new Sub-query pattern which represents the given sub-query.
Declaration
public SubQueryPattern(SparqlQuery subquery)
Parameters
Type Name Description
SparqlQuery subquery Sub-query.

Properties

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FixedVariables

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

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

Returns true as while a sub-query may contain blank node variables they will not be in scope here.
Declaration
public override bool HasNoBlankVariables { get; }
Property Value
Type Description
System.Boolean
Overrides
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IsAcceptAll

Returns that the Pattern is not an accept all since it is a Sub-query.
Declaration
public override bool IsAcceptAll { get; }
Property Value
Type Description
System.Boolean
Overrides
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PatternType

Gets the pattern type.
Declaration
public override TriplePatternType PatternType { get; }
Property Value
Type Description
TriplePatternType
Overrides
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SubQuery

Gets the Sub-Query.
Declaration
public SparqlQuery SubQuery { get; }
Property Value
Type Description
SparqlQuery
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UsesDefaultDataset

Gets whether the Sub-query is Thread Safe.
Declaration
public override bool UsesDefaultDataset { get; }
Property Value
Type Description
System.Boolean
Overrides

Methods

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CompareTo(ISubQueryPattern)

Compares a sub-query pattern to another.
Declaration
public int CompareTo(ISubQueryPattern other)
Parameters
Type Name Description
ISubQueryPattern other Pattern.
Returns
Type Description
System.Int32
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CompareTo(SubQueryPattern)

Compares a sub-query pattern to another.
Declaration
public int CompareTo(SubQueryPattern other)
Parameters
Type Name Description
SubQueryPattern other Pattern.
Returns
Type Description
System.Int32
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Evaluate(SparqlEvaluationContext)

Evaluates a Sub-query in the given Evaluation Context.
Declaration
public override void Evaluate(SparqlEvaluationContext context)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
Overrides
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ToString()

Gets the string representation of the sub-query.
Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides

Implements

System.IComparable<T>
System.IComparable<T>
System.IComparable<T>

Extension Methods