Class DeleteCommand

Represents the SPARQL Update DELETE command.
Inheritance
System.Object
SparqlUpdateCommand
BaseModificationCommand
DeleteCommand
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.Update.Commands
Assembly: dotNetRDF.dll
Syntax
public class DeleteCommand : BaseModificationCommand

Constructors

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DeleteCommand(GraphPattern)

Createa a new DELETE command which operates on the Default Graph.
Declaration
public DeleteCommand(GraphPattern where)
Parameters
Type Name Description
GraphPattern where Pattern to construct Triples to delete.
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DeleteCommand(GraphPattern, Uri)

Creates a new DELETE command.
Declaration
public DeleteCommand(GraphPattern where, Uri graphUri)
Parameters
Type Name Description
GraphPattern where Pattern to construct Triples to delete.
System.Uri graphUri URI of the affected Graph.
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DeleteCommand(GraphPattern, GraphPattern)

Creates a new DELETE command which operates on the Default Graph.
Declaration
public DeleteCommand(GraphPattern deletions, GraphPattern where)
Parameters
Type Name Description
GraphPattern deletions Pattern to construct Triples to delete.
GraphPattern where Pattern to select data which is then used in evaluating the deletions pattern.
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DeleteCommand(GraphPattern, GraphPattern, Uri)

Creates a new DELETE command.
Declaration
public DeleteCommand(GraphPattern deletions, GraphPattern where, Uri graphUri)
Parameters
Type Name Description
GraphPattern deletions Pattern to construct Triples to delete.
GraphPattern where Pattern to select data which is then used in evaluating the deletions pattern.
System.Uri graphUri URI of the affected Graph.

Properties

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AffectsSingleGraph

Gets whether the Command affects a single Graph.
Declaration
public override bool AffectsSingleGraph { get; }
Property Value
Type Description
System.Boolean
Overrides
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DeletePattern

Gets the pattern used for Deletions.
Declaration
public GraphPattern DeletePattern { get; }
Property Value
Type Description
GraphPattern
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TargetUri

Gets the URI of the Graph the deletions are made from.
Declaration
public Uri TargetUri { get; }
Property Value
Type Description
System.Uri
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WherePattern

Gets the pattern used for the WHERE clause.
Declaration
public GraphPattern WherePattern { get; }
Property Value
Type Description
GraphPattern

Methods

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AffectsGraph(Uri)

Gets whether the Command affects a given Graph.
Declaration
public override bool AffectsGraph(Uri graphUri)
Parameters
Type Name Description
System.Uri graphUri Graph URI.
Returns
Type Description
System.Boolean
Overrides
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Evaluate(SparqlUpdateEvaluationContext)

Evaluates the Command in the given Context.
Declaration
public override void Evaluate(SparqlUpdateEvaluationContext context)
Parameters
Type Name Description
SparqlUpdateEvaluationContext context Evaluation Context.
Overrides
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Optimise(IQueryOptimiser)

Optimises the Commands WHERE pattern.
Declaration
public override void Optimise(IQueryOptimiser optimiser)
Parameters
Type Name Description
IQueryOptimiser optimiser
Overrides
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Process(ISparqlUpdateProcessor)

Processes the Command using the given Update Processor.
Declaration
public override void Process(ISparqlUpdateProcessor processor)
Parameters
Type Name Description
ISparqlUpdateProcessor processor SPARQL Update Processor.
Overrides
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ToString()

Gets the String representation of the Command.
Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides

Extension Methods