SparqlBuiltInFunctionFactory.TryCreateExpression Method

Tries to create a SPARQL Function expression if the function Uri correseponds to a supported SPARQL Function.

Namespace: VDS.RDF.Query.Expressions
Assembly: dotNetRDF (in dotNetRDF.dll) Version:

Syntax

public bool TryCreateExpression(
	Uri u,
	List<ISparqlExpression> args,
	Dictionary<string, ISparqlExpression> scalarArguments,
	out ISparqlExpression expr
)

Public Function TryCreateExpression ( 
	u As Uri,
	args As List(Of ISparqlExpression),
	scalarArguments As Dictionary(Of String, ISparqlExpression),
	<OutAttribute> ByRef expr As ISparqlExpression
) As Boolean

Parameters

u: Type: System.Uri
Function Uri.
args: Type: System.Collections.Generic.List<ISparqlExpression>
Function Arguments.
scalarArguments: Type: System.Collections.Generic.Dictionary<String, ISparqlExpression>
Scalar Arguments.
expr: Type: VDS.RDF.Query.Expressions.ISparqlExpression
Generated Expression.

Return Value

Type: Boolean
Whether an expression was successfully generated.

Implements

ISparqlCustomExpressionFactory.TryCreateExpression(Uri, List<ISparqlExpression>, Dictionary<String, ISparqlExpression>, ISparqlExpression)

Reference

SparqlBuiltInFunctionFactory Class

VDS.RDF.Query.Expressions Namespace

SparqlBuiltInFunctionFactory.AddLanguageSpecificTextSet("LSTD82B4B2F_0?cpp=::|nu=.");TryCreateExpression Method

Parameters

Return Value

Implements

Reference

SparqlBuiltInFunctionFactory.TryCreateExpression Method