Class CallFunction

Class representing the SPARQL CALL() function.
Inheritance
System.Object
CallFunction
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.Functions.Sparql
Assembly: dotNetRDF.dll
Syntax
public class CallFunction : ISparqlExpression

Constructors

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CallFunction(IEnumerable<ISparqlExpression>)

Creates a new COALESCE function with the given expressions as its arguments.
Declaration
public CallFunction(IEnumerable<ISparqlExpression> expressions)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<ISparqlExpression> expressions Argument expressions.

Properties

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Arguments

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

Gets whether an expression can safely be evaluated in parallel.
Declaration
public virtual bool CanParallelise { get; }
Property Value
Type Description
System.Boolean
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Functor

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

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

Gets the Variables used in all the argument expressions of this function.
Declaration
public IEnumerable<string> Variables { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<System.String>

Methods

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Evaluate(SparqlEvaluationContext, Int32)

Gets the value of the expression as evaluated in the given Context for the given Binding ID.
Declaration
public IValuedNode Evaluate(SparqlEvaluationContext context, int bindingID)
Parameters
Type Name Description
SparqlEvaluationContext context Evaluation Context.
System.Int32 bindingID Binding ID.
Returns
Type Description
IValuedNode
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ToString()

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

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

Implements

Extension Methods