Class IdentityMultiset

Represents the Identity Multiset.

Inheritance

System.Object

BaseMultiset

IdentityMultiset

Inherited Members

BaseMultiset._orderedIDs

BaseMultiset.VirtualCount

BaseMultiset.UsePLinqEvaluation

BaseMultiset.Merge(BaseMultiset)

BaseMultiset.Sort(IComparer<ISet>)

BaseMultiset.Count

BaseMultiset.Trim()

BaseMultiset.Trim(string)

BaseMultiset.ToString()

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 IdentityMultiset : BaseMultiset

Properties

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IsEmpty

Returns false as the Identity Multiset is not considered empty.

Declaration

public override bool IsEmpty { get; }

Property Value

Type	Description
System.Boolean

Overrides

BaseMultiset.IsEmpty

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this[int]

Gets the Set with the given ID.

Declaration

public override ISet this[int index] { get; }

Parameters

Type	Name	Description
int	index	Set ID.

Property Value

Type	Description
ISet

Overrides

BaseMultiset.this[int]

Exceptions

Type	Condition
RdfQueryException	Thrown since the Identity Multiset contains no Sets.

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SetIDs

Returns an empty enumerable as the Identity Multiset contains no Sets.

Declaration

public override IEnumerable<int> SetIDs { get; }

Property Value

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

Overrides

BaseMultiset.SetIDs

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Sets

Returns an empty enumerable as the Identity Multiset contains no Sets.

Declaration

public override IEnumerable<ISet> Sets { get; }

Property Value

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

Overrides

BaseMultiset.Sets

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Variables

Returns an empty enumerable as the Identity Multiset contains no Variables.

Declaration

public override IEnumerable<string> Variables { get; }

Property Value

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

Overrides

BaseMultiset.Variables

Methods

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Add(ISet)

Adds a Set to the Multiset.

Declaration

public override void Add(ISet s)

Parameters

Type	Name	Description
ISet	s	Set.

Overrides

BaseMultiset.Add(ISet)

Exceptions

Type	Condition
RdfQueryException	Thrown since this operation is invalid on an Identity Multiset.

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AddVariable(string)

Adds a Variable to the Multiset.

Declaration

public override void AddVariable(string variable)

Parameters

Type	Name	Description
string	variable	Variable.

Overrides

BaseMultiset.AddVariable(string)

Exceptions

Type	Condition
RdfQueryException	Thrown since this operation is invalid on an Identity Multiset.

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ContainsValue(string, INode)

Returns True since the Identity Multiset is considered to contain all values.

Declaration

public override bool ContainsValue(string var, INode n)

Parameters

Type	Name	Description
string	var	Variable.
INode	n	Value.

Returns

Type	Description
System.Boolean

Overrides

BaseMultiset.ContainsValue(string, INode)

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ContainsVariable(string)

Returns False since the Identity Multiset contains no Variables.

Declaration

public override bool ContainsVariable(string var)

Parameters

Type	Name	Description
string	var	Variable.

Returns

Type	Description
System.Boolean

Overrides

BaseMultiset.ContainsVariable(string)

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ContainsVariables(IEnumerable<string>)

Declaration

public override bool ContainsVariables(IEnumerable<string> vars)

Parameters

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

Returns

Type	Description
System.Boolean

Overrides

BaseMultiset.ContainsVariables(IEnumerable<string>)

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ExistsJoin(BaseMultiset, bool)

Exists Joins the Multiset to another Multiset.

Declaration

public override BaseMultiset ExistsJoin(BaseMultiset other, bool mustExist)

Parameters

Type	Name	Description
BaseMultiset	other	Other Multiset.
System.Boolean	mustExist	Whether solutions must exist in the Other Multiset for the Join to succeed.

Returns

Type	Description
BaseMultiset

Overrides

BaseMultiset.ExistsJoin(BaseMultiset, bool)

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IsDisjointWith(BaseMultiset)

Returns False since the Identity Multiset is not disjoint with anything.

Declaration

public override bool IsDisjointWith(BaseMultiset other)

Parameters

Type	Name	Description
BaseMultiset	other	Other Multiset.

Returns

Type	Description
System.Boolean

Overrides

BaseMultiset.IsDisjointWith(BaseMultiset)

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Join(BaseMultiset)

Joins the Multiset to another Multiset.

Declaration

public override BaseMultiset Join(BaseMultiset other)

Parameters

Type	Name	Description
BaseMultiset	other	Other Multiset.

Returns

Type	Description
BaseMultiset	The other Multiset.

Overrides

BaseMultiset.Join(BaseMultiset)

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LeftJoin(BaseMultiset, ISparqlExpression, SparqlEvaluationContext, ISparqlExpressionProcessor<IValuedNode, SparqlEvaluationContext, int>)

Left Joins the Multiset to another Multiset.

Declaration

public override BaseMultiset LeftJoin(BaseMultiset other, ISparqlExpression expr, SparqlEvaluationContext baseContext, ISparqlExpressionProcessor<IValuedNode, SparqlEvaluationContext, int> expressionProcessor)

Parameters

Type	Name	Description
BaseMultiset	other	Other Multiset.
ISparqlExpression	expr	Expression which the Join is predicated on.
SparqlEvaluationContext	baseContext	The parent context for the evaluation of the join.
ISparqlExpressionProcessor<IValuedNode, SparqlEvaluationContext, int>	expressionProcessor

Returns

Type	Description
BaseMultiset	The other Multiset.

Overrides

BaseMultiset.LeftJoin(BaseMultiset, ISparqlExpression, SparqlEvaluationContext, ISparqlExpressionProcessor<IValuedNode, SparqlEvaluationContext, int>)

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MinusJoin(BaseMultiset)

Minus Joins this Multiset to another Multiset.

Declaration

public override BaseMultiset MinusJoin(BaseMultiset other)

Parameters

Type	Name	Description
BaseMultiset	other	Other Multiset.

Returns

Type	Description
BaseMultiset

Overrides

BaseMultiset.MinusJoin(BaseMultiset)

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Product(BaseMultiset)

Generates the Product of this Set and another Multiset.

Declaration

public override BaseMultiset Product(BaseMultiset other)

Parameters

Type	Name	Description
BaseMultiset	other	Other Multiset.

Returns

Type	Description
BaseMultiset	The other Multiset.

Overrides

BaseMultiset.Product(BaseMultiset)

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Remove(int)

Removes a Set to the Multiset.

Declaration

public override void Remove(int id)

Parameters

Type	Name	Description
int	id	Set ID.

Overrides

BaseMultiset.Remove(int)

Exceptions

Type	Condition
RdfQueryException	Thrown since this operation is invalid on an Identity Multiset.

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SetVariableOrder(IEnumerable<string>)

Sets the variable ordering for the multiset.

Declaration

public override void SetVariableOrder(IEnumerable<string> variables)

Parameters

Type	Name	Description
System.Collections.Generic.IEnumerable<T><string>	variables	Variable Ordering.

Overrides

BaseMultiset.SetVariableOrder(IEnumerable<string>)

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Union(BaseMultiset)

Generates the Union of this Set and another Multiset.

Declaration

public override BaseMultiset Union(BaseMultiset other)

Parameters

Type	Name	Description
BaseMultiset	other	Other Multiset.

Returns

Type	Description
BaseMultiset	The other Multiset.

Overrides

BaseMultiset.Union(BaseMultiset)

Extension Methods

Extensions.ToSafeString(object)

AlgebraExtensions.ProductWithTimeout(BaseMultiset, BaseMultiset, long)

Extensions.AsEnumerable<T>(T)