Class SubStrFunction

Represents the SPARQL SUBSTR Function.
Inheritance
System.Object
SubStrFunction
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.String
Assembly: dotNetRDF.dll
Syntax
public class SubStrFunction : ISparqlExpression

Constructors

| Improve this Doc View Source

SubStrFunction(ISparqlExpression, ISparqlExpression)

Creates a new XPath Substring function.
Declaration
public SubStrFunction(ISparqlExpression stringExpr, ISparqlExpression startExpr)
Parameters
Type Name Description
ISparqlExpression stringExpr Expression.
ISparqlExpression startExpr Start.
| Improve this Doc View Source

SubStrFunction(ISparqlExpression, ISparqlExpression, ISparqlExpression)

Creates a new XPath Substring function.
Declaration
public SubStrFunction(ISparqlExpression stringExpr, ISparqlExpression startExpr, ISparqlExpression lengthExpr)
Parameters
Type Name Description
ISparqlExpression stringExpr Expression.
ISparqlExpression startExpr Start.
ISparqlExpression lengthExpr Length.

Properties

| Improve this Doc View Source

Arguments

Gets the Arguments of the Function.
Declaration
public IEnumerable<ISparqlExpression> Arguments { get; }
Property Value
Type Description
System.Collections.Generic.IEnumerable<ISparqlExpression>
| Improve this Doc View Source

CanParallelise

Gets whether an expression can safely be evaluated in parallel.
Declaration
public virtual bool CanParallelise { get; }
Property Value
Type Description
System.Boolean
| Improve this Doc View Source

Functor

Gets the Functor of the Expression.
Declaration
public string Functor { get; }
Property Value
Type Description
System.String
| Improve this Doc View Source

Type

Gets the Type of the Expression.
Declaration
public SparqlExpressionType Type { get; }
Property Value
Type Description
SparqlExpressionType
| Improve this Doc View Source

Variables

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

Methods

| Improve this Doc View Source

Evaluate(SparqlEvaluationContext, Int32)

Returns the value of the Expression as evaluated for a given Binding as a Literal Node.
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
| Improve this Doc View Source

ToString()

Gets the String representation of the function.
Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()
| Improve this Doc View Source

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