Class ParallelJoin

Represents a Join which will be evaluated in parallel.

Inheritance

System.Object

ParallelJoin

Implements

IJoin

IAbstractJoin

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 ParallelJoin : IJoin, IAbstractJoin, ISparqlAlgebra, IVisitable, IProcessable

Constructors

ParallelJoin(ISparqlAlgebra, ISparqlAlgebra)

Creates a new Join.

Declaration

public ParallelJoin(ISparqlAlgebra lhs, ISparqlAlgebra rhs)

Parameters

Type	Name	Description
ISparqlAlgebra	lhs	Left Hand Side.
ISparqlAlgebra	rhs	Right Hand Side.

Properties

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
System.Collections.Generic.IEnumerable<T><string>

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
System.Collections.Generic.IEnumerable<T><string>

Lhs

Gets the LHS of the Join.

Declaration

public ISparqlAlgebra Lhs { get; }

Property Value

Type	Description
ISparqlAlgebra

Rhs

Gets the RHS of the Join.

Declaration

public ISparqlAlgebra Rhs { get; }

Property Value

Type	Description
ISparqlAlgebra

Variables

Gets the Variables used in the Algebra.

Declaration

public IEnumerable<string> Variables { get; }

Property Value

Type	Description
System.Collections.Generic.IEnumerable<T><string>

Methods

Accept<T>(ISparqlAlgebraVisitor<T>)

Declaration

public T Accept<T>(ISparqlAlgebraVisitor<T> visitor)

Parameters

Type	Name	Description
ISparqlAlgebraVisitor<T>	visitor

Returns

Type	Description
T

Type Parameters

Name	Description
T

Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext>, TContext)

Declaration

public TResult Accept<TResult, TContext>(ISparqlQueryAlgebraProcessor<TResult, TContext> processor, TContext context)

Parameters

Type	Name	Description
ISparqlQueryAlgebraProcessor<TResult, TContext>	processor
TContext	context

Returns

Type	Description
TResult

Type Parameters

Name	Description
TResult
TContext

ToGraphPattern()

Converts the Algebra back to a SPARQL Query.

Declaration

public GraphPattern ToGraphPattern()

Returns

Type	Description
GraphPattern

ToQuery()

Converts the Algebra back to a SPARQL Query.

Declaration

public SparqlQuery ToQuery()

Returns

Type	Description
SparqlQuery

ToString()

Gets the String representation of the Join.

Declaration

public override string ToString()

Returns

Type	Description
string

Overrides

object.ToString()

Transform(IAlgebraOptimiser)

Transforms both sides of the Join using the given Optimiser.

Declaration

public ISparqlAlgebra Transform(IAlgebraOptimiser optimiser)

Parameters

Type	Name	Description
IAlgebraOptimiser	optimiser	Optimser.

Returns

Type	Description
ISparqlAlgebra

TransformLhs(IAlgebraOptimiser)

Transforms the LHS of the Join using the given Optimiser.

Declaration

public ISparqlAlgebra TransformLhs(IAlgebraOptimiser optimiser)

Parameters

Type	Name	Description
IAlgebraOptimiser	optimiser	Optimser.

Returns

Type	Description
ISparqlAlgebra

TransformRhs(IAlgebraOptimiser)

Transforms the RHS of the Join using the given Optimiser.

Declaration

public ISparqlAlgebra TransformRhs(IAlgebraOptimiser optimiser)

Parameters

Type	Name	Description
IAlgebraOptimiser	optimiser	Optimser.

Returns

Type	Description
ISparqlAlgebra

Implements

IJoin

IAbstractJoin

ISparqlAlgebra

IVisitable

IProcessable

Extension Methods

Extensions.ToSafeString(object)

Extensions.AsEnumerable<T>(T)