Class CountAggregate

Class representing COUNT Aggregate Function.
Inheritance
System.Object
BaseAggregate
CountAggregate
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.Sparql
Assembly: dotNetRDF.dll
Syntax
public class CountAggregate : BaseAggregate, ISparqlAggregate

Constructors

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CountAggregate(ISparqlExpression)

Creates a new Count Aggregate.
Declaration
public CountAggregate(ISparqlExpression expr)
Parameters
Type Name Description
ISparqlExpression expr Expression.
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CountAggregate(VariableTerm)

Creates a new COUNT Aggregate.
Declaration
public CountAggregate(VariableTerm expr)
Parameters
Type Name Description
VariableTerm expr Variable Expression.

Properties

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Functor

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

Methods

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Apply(SparqlEvaluationContext, IEnumerable<Int32>)

Counts the results.
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 over which the Aggregate applies.
Returns
Type Description
IValuedNode
Overrides
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ToString()

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

Implements

Extension Methods