Interface ISparqlAggregate
Interface for SPARQL Aggregates which can be used to calculate aggregates over Results.
Namespace: VDS.RDF.Query.Aggregates
Assembly: dotNetRdf.dll
Syntax
public interface ISparqlAggregate
Properties
| Edit this page View SourceArguments
Gets the Arguments of the Aggregate.
Declaration
IEnumerable<ISparqlExpression> Arguments { get; }
Property Value
Type | Description |
---|---|
IEnumerable<ISparqlExpression> |
Expression
Gets the Expression that the Aggregate is applied to.
Declaration
ISparqlExpression Expression { get; }
Property Value
Type | Description |
---|---|
ISparqlExpression |
Functor
Gets the URI/Keyword of the Aggregate.
Declaration
string Functor { get; }
Property Value
Type | Description |
---|---|
string |
Type
Gets the Type of the Aggregate.
Declaration
SparqlExpressionType Type { get; }
Property Value
Type | Description |
---|---|
SparqlExpressionType |
Methods
| Edit this page View SourceAccept<TResult, TContext, TBinding>(ISparqlAggregateProcessor<TResult, TContext, TBinding>, TContext, IEnumerable<TBinding>)
Called when the aggregate is visited during algebra processing.
Declaration
TResult Accept<TResult, TContext, TBinding>(ISparqlAggregateProcessor<TResult, TContext, TBinding> processor, TContext context, IEnumerable<TBinding> bindings)
Parameters
Type | Name | Description |
---|---|---|
ISparqlAggregateProcessor<TResult, TContext, TBinding> | processor | The processor that handles this algebra. |
TContext | context | The current context. |
IEnumerable<TBinding> | bindings | The current set of bindings. |
Returns
Type | Description |
---|---|
TResult | The result of the aggregate processing. |
Type Parameters
Name | Description |
---|---|
TResult | The type of result object returned by the processor. |
TContext | The type of the context object to be passed to the processor. |
TBinding | The type of the binding objects to be passed to the processor. |