Class AggregateTerm

Class for representing Aggregate Expressions which have Numeric Results.
Inheritance
System.Object
BaseUnaryExpression
AggregateTerm
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.Expressions.Primary
Assembly: dotNetRDF.dll
Syntax
public class AggregateTerm : BaseUnaryExpression, ISparqlExpression

Constructors

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AggregateTerm(ISparqlAggregate)

Creates a new Aggregate Expression Term that uses the given Aggregate.
Declaration
public AggregateTerm(ISparqlAggregate aggregate)
Parameters
Type Name Description
ISparqlAggregate aggregate Aggregate.

Properties

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Aggregate

Gets the Aggregate this Expression represents.
Declaration
public ISparqlAggregate Aggregate { get; }
Property Value
Type Description
ISparqlAggregate
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Arguments

Gets the Arguments of the Expression.
Declaration
public override IEnumerable<ISparqlExpression> Arguments { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<ISparqlExpression>
Overrides
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CanParallelise

Gets whether the expression can be parallelised.
Declaration
public override bool CanParallelise { get; }
Property Value
Type Description
System.Boolean
Overrides
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Functor

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

Gets the Type of the Expression.
Declaration
public override SparqlExpressionType Type { get; }
Property Value
Type Description
SparqlExpressionType
Overrides
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Variables

Gets the enumeration of variables that are used in the the aggregate expression.
Declaration
public override IEnumerable<string> Variables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.String>
Overrides

Methods

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Evaluate(SparqlEvaluationContext, Int32)

Evaluates the aggregate expression.
Declaration
public override IValuedNode Evaluate(SparqlEvaluationContext context, int bindingID)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
System.Int32 bindingID Binding ID.
Returns
Type Description
IValuedNode
Overrides
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ToString()

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

Transforms the Expression using the given Transformer.
Declaration
public override ISparqlExpression Transform(IExpressionTransformer transformer)
Parameters
Type Name Description
IExpressionTransformer transformer Expression Transformer.
Returns
Type Description
ISparqlExpression
Overrides

Implements

Extension Methods