Class BaseUnaryFilter

Abstract Base class for Unary Filters that operate on a single Expression.

Inheritance
object
BaseUnaryFilter
BoundFilter
UnaryExpressionFilter
Implements
Inherited Members
Namespace: VDS.RDF.Query.Filters
Assembly: dotNetRdf.dll
Syntax
public abstract class BaseUnaryFilter : ISparqlFilter, IVisitable, IProcessable

Constructors

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BaseUnaryFilter(ISparqlExpression)

Creates a new Base Unary Filter.

Declaration
protected BaseUnaryFilter(ISparqlExpression arg)
Parameters
Type Name Description
ISparqlExpression arg

Argument to the Filter.

Fields

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_arg

Expression which is the Argument to the Filter.

Declaration
protected ISparqlExpression _arg
Field Value
Type Description
ISparqlExpression

Properties

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Expression

Gets the inner expression this Filter uses.

Declaration
public virtual ISparqlExpression Expression { get; }
Property Value
Type Description
ISparqlExpression
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Variables

Gets the enumeration of Variables used in the Filter.

Declaration
public virtual IEnumerable<string> Variables { get; }
Property Value
Type Description
IEnumerable<string>

Methods

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Accept<T>(ISparqlAlgebraVisitor<T>)

Accept a simple algebra visitor.

Declaration
public abstract T Accept<T>(ISparqlAlgebraVisitor<T> visitor)
Parameters
Type Name Description
ISparqlAlgebraVisitor<T> visitor

The visitor implementation.
Returns
Type Description
T
Type Parameters
Name Description
T

The type returned by the Visit methods of the visitor.
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Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext>, TContext)

Called by an algebra visitor to process an item by invoking the appropriate method on the processor passed in.

Declaration
public abstract TResult Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext> processor, TContext context)
Parameters
Type Name Description
ISparqlQueryAlgebraProcessor<TResult, TContext> processor

The processor to invoke.
TContext context

The context to pass to the processor.
Returns
Type Description
TResult

The result of invoking the processor method.
Type Parameters
Name Description
TResult

The type of result returned by the processor.
TContext

The type of the context object to be provided to the processor.
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ToString()

Gets the String representation of the Filter.

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

Implements

Extension Methods