Interface ISparqlGroupBy

Interface for Classes that represent SPARQL GROUP BY clauses.
Namespace: VDS.RDF.Query.Grouping
Assembly: dotNetRDF.dll
Syntax
public interface ISparqlGroupBy

Properties

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AssignVariable

Gets/Sets the Variable the value of the GROUP BY expression should be bound to (may be null if not bound to anything).
Declaration
string AssignVariable { get; set; }
Property Value
Type Description
System.String
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Child

Gets/Sets the child GROUP BY Clause.
Declaration
ISparqlGroupBy Child { get; set; }
Property Value
Type Description
ISparqlGroupBy
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Expression

Gets the Expression used to GROUP BY.
Declaration
ISparqlExpression Expression { get; }
Property Value
Type Description
ISparqlExpression
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ProjectableVariables

Gets the Projectable Variables used in the GROUP BY i.e. Variables that are grouped upon and Assigned Variables.
Declaration
IEnumerable<string> ProjectableVariables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.String>
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Variables

Gets the Variables used in the GROUP BY.
Declaration
IEnumerable<string> Variables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.String>

Methods

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Apply(SparqlEvaluationContext)

Applies the Grouping to a Result Binder.
Declaration
List<BindingGroup> Apply(SparqlEvaluationContext context)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
Returns
Type Description
System.Collections.Generic.List<BindingGroup>
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Apply(SparqlEvaluationContext, List<BindingGroup>)

Applies the Grouping to a Result Binder subdividing the Groups from the previous Group By clause into further Groups.
Declaration
List<BindingGroup> Apply(SparqlEvaluationContext context, List<BindingGroup> groups)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
System.Collections.Generic.List<BindingGroup> groups Groups.
Returns
Type Description
System.Collections.Generic.List<BindingGroup>

Extension Methods