Class StringJoinAggregate

Represents the XPath fn:string-join() aggregate.
Inheritance
System.Object
BaseAggregate
StringJoinAggregate
GroupConcatAggregate
Implements
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.Aggregates.XPath
Assembly: dotNetRDF.dll
Syntax
public class StringJoinAggregate : BaseAggregate, ISparqlAggregate

Constructors

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StringJoinAggregate(ISparqlExpression)

Creates a new XPath String Join aggregate which uses no separator.
Declaration
public StringJoinAggregate(ISparqlExpression expr)
Parameters
Type Name Description
ISparqlExpression expr Expression.
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StringJoinAggregate(ISparqlExpression, ISparqlExpression)

Creates a new XPath String Join aggregate.
Declaration
public StringJoinAggregate(ISparqlExpression expr, ISparqlExpression sep)
Parameters
Type Name Description
ISparqlExpression expr Expression.
ISparqlExpression sep Separator Expression.

Fields

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_sep

Separator Expression.
Declaration
protected ISparqlExpression _sep
Field Value
Type Description
ISparqlExpression

Properties

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Functor

Gets the Functor of the Expression.
Declaration
public override string Functor { get; }
Property Value
Type Description
System.String
Overrides

Methods

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Apply(SparqlEvaluationContext, IEnumerable<Int32>)

Applies the Aggregate in the given Context over the given Binding IDs.
Declaration
public override IValuedNode Apply(SparqlEvaluationContext context, IEnumerable<int> bindingIDs)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
System.Collections.Generic.IEnumerable<System.Int32> bindingIDs Binding IDs.
Returns
Type Description
IValuedNode
Overrides
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ToString()

Gets the String representation of the function.
Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
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ValueInternal(SparqlEvaluationContext, Int32)

Gets the value of a member of the Group for concatenating as part of the result for the Group.
Declaration
protected virtual string ValueInternal(SparqlEvaluationContext context, int bindingID)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
System.Int32 bindingID Binding ID.
Returns
Type Description
System.String

Implements

Extension Methods