Class SubQueryPattern

Class for representing Sub-queries which occur as part of a SPARQL query.

Inheritance
System.Object
BaseTriplePattern
SubQueryPattern
Implements
System.IComparable<T><ITriplePattern>
System.IComparable<T><ISubQueryPattern>
System.IComparable<T><SubQueryPattern>
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
Namespace: VDS.RDF.Query.Patterns
Assembly: dotNetRdf.dll
Syntax
public class SubQueryPattern : BaseTriplePattern, ISubQueryPattern, ITriplePattern, IComparable<ITriplePattern>, IProcessable, IVisitable, 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<T><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<T><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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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.Patterns.BaseTriplePattern.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.Patterns.BaseTriplePattern.Accept<TResult, TContext>(VDS.RDF.Query.ISparqlQueryAlgebraProcessor<TResult, TContext>, TContext)
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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
int
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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
int
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ToString()

Gets the string representation of the sub-query.

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

Implements

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

Extension Methods