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Class NegatedPropertySet

Represents a Negated Property Set in the SPARQL Algebra.

Inheritance
object
NegatedPropertySet
Implements
ISparqlAlgebra
IVisitable
IProcessable
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
Namespace: VDS.RDF.Query.Algebra
Assembly: dotNetRdf.dll
Syntax
public class NegatedPropertySet : ISparqlAlgebra, IVisitable, IProcessable

Constructors

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NegatedPropertySet(PatternItem, PatternItem, IEnumerable<Property>)

Creates a new Negated Property Set.

Declaration
public NegatedPropertySet(PatternItem start, PatternItem end, IEnumerable<Property> properties)
Parameters
Type Name Description
PatternItem start

Path Start.

PatternItem end

Path End.

IEnumerable<Property> properties

Negated Properties.

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NegatedPropertySet(PatternItem, PatternItem, IEnumerable<Property>, bool)

Creates a new Negated Property Set.

Declaration
public NegatedPropertySet(PatternItem start, PatternItem end, IEnumerable<Property> properties, bool inverse)
Parameters
Type Name Description
PatternItem start

Path Start.

PatternItem end

Path End.

IEnumerable<Property> properties

Negated Properties.

bool inverse

Whether this is a set of Inverse Negated Properties.

Properties

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FixedVariables

Gets the enumeration of fixed variables in the algebra i.e. variables that are guaranteed to have a bound value.

Declaration
public IEnumerable<string> FixedVariables { get; }
Property Value
Type Description
IEnumerable<string>
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FloatingVariables

Gets the enumeration of floating variables in the algebra i.e. variables that are not guaranteed to have a bound value.

Declaration
public IEnumerable<string> FloatingVariables { get; }
Property Value
Type Description
IEnumerable<string>
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Inverse

Gets whether this is a set of Inverse Negated Properties.

Declaration
public bool Inverse { get; }
Property Value
Type Description
bool
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PathEnd

Gets the Path End.

Declaration
public PatternItem PathEnd { get; }
Property Value
Type Description
PatternItem
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PathStart

Gets the Path Start.

Declaration
public PatternItem PathStart { get; }
Property Value
Type Description
PatternItem
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Properties

Gets the Negated Properties.

Declaration
public IEnumerable<INode> Properties { get; }
Property Value
Type Description
IEnumerable<INode>
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Variables

Gets the Variables used in the Algebra.

Declaration
public 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 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 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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ToGraphPattern()

Transforms the Algebra back into a Graph Pattern.

Declaration
public GraphPattern ToGraphPattern()
Returns
Type Description
GraphPattern
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ToQuery()

Transforms the Algebra back into a SPARQL Query.

Declaration
public SparqlQuery ToQuery()
Returns
Type Description
SparqlQuery
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ToString()

Gets the String representation of the Algebra.

Declaration
public override string ToString()
Returns
Type Description
string
Overrides
object.ToString()

Implements

ISparqlAlgebra
IVisitable
IProcessable

Extension Methods

Extensions.ToSafeString(object)
Extensions.AsEnumerable<T>(T)
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In this article
  • Constructors
    • NegatedPropertySet(PatternItem, PatternItem, IEnumerable<Property>)
    • NegatedPropertySet(PatternItem, PatternItem, IEnumerable<Property>, bool)
  • Properties
    • FixedVariables
    • FloatingVariables
    • Inverse
    • PathEnd
    • PathStart
    • Properties
    • Variables
  • Methods
    • Accept<T>(ISparqlAlgebraVisitor<T>)
    • Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext>, TContext)
    • ToGraphPattern()
    • ToQuery()
    • ToString()
  • Implements
  • Extension Methods
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