Class BaseUnaryStringFunction

Abstract Base Class for XPath Unary String functions.
Inheritance
System.Object
BaseUnaryStringFunction
EncodeForUriFunction
LCaseFunction
StrLenFunction
UCaseFunction
EncodeForUriFunction
EscapeHtmlUriFunction
LowerCaseFunction
NormalizeSpaceFunction
StringLengthFunction
UpperCaseFunction
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.XPath.String
Assembly: dotNetRDF.dll
Syntax
public abstract class BaseUnaryStringFunction : ISparqlExpression

Constructors

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BaseUnaryStringFunction(ISparqlExpression)

Creates a new XPath Unary String function.
Declaration
public BaseUnaryStringFunction(ISparqlExpression stringExpr)
Parameters
Type Name Description
ISparqlExpression stringExpr Expression.

Fields

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_expr

Expression the function applies over.
Declaration
protected ISparqlExpression _expr
Field Value
Type Description
ISparqlExpression

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 abstract 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 the function.
Declaration
public virtual 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 function 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 Context.
System.Int32 bindingID Binding ID.
Returns
Type Description
IValuedNode
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ToString()

Gets the String representation of the function.
Declaration
public abstract 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 abstract ISparqlExpression Transform(IExpressionTransformer transformer)
Parameters
Type Name Description
IExpressionTransformer transformer Expression Transformer.
Returns
Type Description
ISparqlExpression
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ValueInternal(ILiteralNode)

Gets the Value of the function as applied to the given String Literal.
Declaration
protected abstract IValuedNode ValueInternal(ILiteralNode stringLit)
Parameters
Type Name Description
ILiteralNode stringLit Simple/String typed Literal.
Returns
Type Description
IValuedNode

Implements

Extension Methods