Class BaseCast

Abstract Expression class used as the base class for implementation of XPath Casting Function expressions.

Inheritance

object

BaseCast

BooleanCast

DateTimeCast

DecimalCast

DoubleCast

FloatCast

IntegerCast

StringCast

Implements

ISparqlExpression

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.Cast

Assembly: dotNetRdf.dll

Syntax

public abstract class BaseCast : ISparqlExpression

Constructors

BaseCast(ISparqlExpression)

Creates a new Base XPath Cast Expression.

Declaration

protected BaseCast(ISparqlExpression expr)

Parameters

Type	Name	Description
ISparqlExpression	expr	Expression to be Cast.

Fields

_expr

Expression to be Cast by the Cast Function.

Declaration

protected ISparqlExpression _expr

Field Value

Type	Description
ISparqlExpression

Properties

Arguments

Gets the Arguments of the Expression.

Declaration

public IEnumerable<ISparqlExpression> Arguments { get; }

Property Value

Type	Description
IEnumerable<ISparqlExpression>

CanParallelise

Gets whether an expression can safely be evaluated in parallel.

Declaration

public virtual bool CanParallelise { get; }

Property Value

Type	Description
bool

Functor

Gets the Functor of the Expression.

Declaration

public abstract string Functor { get; }

Property Value

Type	Description
string

InnerExpression

Get the expression to be cast by the cast function.

Declaration

public ISparqlExpression InnerExpression { get; }

Property Value

Type	Description
ISparqlExpression

Type

Gets the Type of the Expression.

Declaration

public SparqlExpressionType Type { get; }

Property Value

Type	Description
SparqlExpressionType

Variables

Gets the enumeration of Variables involved in this expression.

Declaration

public virtual IEnumerable<string> Variables { get; }

Property Value

Type	Description
IEnumerable<string>

Methods

Accept<T>(ISparqlExpressionVisitor<T>)

Accept a ISparqlExpressionVisitor<T> by calling the appropriate method on its interface for this expression.

Declaration

public abstract T Accept<T>(ISparqlExpressionVisitor<T> visitor)

Parameters

Type	Name	Description
ISparqlExpressionVisitor<T>	visitor	The visitor to be invoked.

Returns

Type	Description
T	The result of calling the method on the visitor.

Type Parameters

Name	Description
T	Type of result that the called method returns.

Accept<TResult, TContext, TBinding>(ISparqlExpressionProcessor<TResult, TContext, TBinding>, TContext, TBinding)

Accept a ISparqlExpressionProcessor<TResult, TContext, TBinding> by calling the appropriate method on its interface for this expression.

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	The processor to be invoked.
TContext	context	The context object to use for processing.
TBinding	binding	The binding to be processed.

Returns

Type	Description
TResult

Type Parameters

Name	Description
TResult	Type of result that the process method returns.
TContext	The type of the context parameter to the process method.
TBinding	The type of the binding parameter of the process method.

ToString()

Gets the String representation of this Expression.

Declaration

public override abstract string ToString()

Returns

Type	Description
string

Overrides

object.ToString()

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

Implements

ISparqlExpression

Extension Methods

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)