Class BaseBinaryStringFunction

Abstract Base class for XPath Binary String functions.

Inheritance
System.Object
BaseBinaryStringFunction
CompareFunction
ContainsFunction
EndsWithFunction
NormalizeUnicodeFunction
StartsWithFunction
SubstringAfterFunction
SubstringBeforeFunction
Implements
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
Namespace: VDS.RDF.Query.Expressions.Functions.XPath.String
Assembly: dotNetRdf.dll
Syntax
public abstract class BaseBinaryStringFunction : ISparqlExpression

Constructors

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BaseBinaryStringFunction(ISparqlExpression, ISparqlExpression, bool, Func<Uri, bool>)

Creates a new XPath Binary String function.

Declaration
public BaseBinaryStringFunction(ISparqlExpression stringExpr, ISparqlExpression argExpr, bool allowNullArgument, Func<Uri, bool> argumentTypeValidator)
Parameters
Type Name Description
ISparqlExpression stringExpr

Expression.
ISparqlExpression argExpr

Argument.
System.Boolean allowNullArgument

Whether the argument may be null.
System.Func<T, TResult><System.Uri, System.Boolean> argumentTypeValidator

Type validator for the argument.

Fields

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_allowNullArgument

Whether the argument can be null.

Declaration
protected bool _allowNullArgument
Field Value
Type Description
System.Boolean
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_arg

Argument expression.

Declaration
protected ISparqlExpression _arg
Field Value
Type Description
ISparqlExpression
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_argumentTypeValidator

Type validation function for the argument.

Declaration
protected Func<Uri, bool> _argumentTypeValidator
Field Value
Type Description
System.Func<T, TResult><System.Uri, System.Boolean>
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_expr

Expression the function applies over.

Declaration
protected ISparqlExpression _expr
Field Value
Type Description
ISparqlExpression

Properties

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AllowNullArgument

Declaration
public bool AllowNullArgument { get; }
Property Value
Type Description
System.Boolean
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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<T><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
string
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LeftExpression

Declaration
public ISparqlExpression LeftExpression { get; }
Property Value
Type Description
ISparqlExpression
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RightExpression

Declaration
public ISparqlExpression RightExpression { get; }
Property Value
Type Description
ISparqlExpression
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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<T><string>

Methods

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Accept<T>(ISparqlExpressionVisitor<T>)

Declaration
public abstract T Accept<T>(ISparqlExpressionVisitor<T> visitor)
Parameters
Type Name Description
ISparqlExpressionVisitor<T> visitor
Returns
Type Description
T
Type Parameters
Name Description
T
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Accept<TResult, TContext, TBinding>(ISparqlExpressionProcessor<TResult, TContext, TBinding>, TContext, TBinding)

Declaration
public abstract TResult Accept<TResult, TContext, TBinding>(ISparqlExpressionProcessor<TResult, TContext, TBinding> processor, TContext context, TBinding binding)
Parameters
Type Name Description
ISparqlExpressionProcessor<TResult, TContext, TBinding> processor
TContext context
TBinding binding
Returns
Type Description
TResult
Type Parameters
Name Description
TResult
TContext
TBinding
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ToString()

Gets the String representation of the function.

Declaration
public override abstract string ToString()
Returns
Type Description
string
Overrides
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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ValidateArgumentType(Uri)

Declaration
public bool ValidateArgumentType(Uri datatype)
Parameters
Type Name Description
System.Uri datatype
Returns
Type Description
System.Boolean

Implements

Extension Methods