Class BaseVirtualBlankNode<TNodeID, TGraphID>

Abstract Base implementation of a Virtual Blank Node.

Inheritance
object
BaseVirtualNode<TNodeID, TGraphID>
BaseVirtualBlankNode<TNodeID, TGraphID>
SimpleVirtualBlankNode
Implements
IVirtualNode<TNodeID, TGraphID>
IEquatable<IVirtualNode<TNodeID, TGraphID>>
IComparable<IVirtualNode<TNodeID, TGraphID>>
IEquatable<BaseVirtualNode<TNodeID, TGraphID>>
IComparable<BaseVirtualNode<TNodeID, TGraphID>>
IEquatable<BaseVirtualBlankNode<TNodeID, TGraphID>>
IComparable<BaseVirtualBlankNode<TNodeID, TGraphID>>
Inherited Members
Namespace: VDS.RDF.Storage.Virtualisation
Assembly: dotNetRdf.dll
Syntax
public abstract class BaseVirtualBlankNode<TNodeID, TGraphID> : BaseVirtualNode<TNodeID, TGraphID>, IVirtualNode<TNodeID, TGraphID>, IEquatable<IVirtualNode<TNodeID, TGraphID>>, IComparable<IVirtualNode<TNodeID, TGraphID>>, IVirtualIdComparable, IEquatable<BaseVirtualNode<TNodeID, TGraphID>>, IComparable<BaseVirtualNode<TNodeID, TGraphID>>, ICanCopy, IBlankNode, IRefNode, IEquatable<BaseVirtualBlankNode<TNodeID, TGraphID>>, IComparable<BaseVirtualBlankNode<TNodeID, TGraphID>>, IValuedNode, INode, IComparable<INode>, IComparable<IBlankNode>, IComparable<IGraphLiteralNode>, IComparable<ILiteralNode>, IComparable<IUriNode>, IComparable<IVariableNode>, IComparable<IRefNode>, IComparable<ITripleNode>, IEquatable<INode>, IEquatable<IBlankNode>, IEquatable<IGraphLiteralNode>, IEquatable<ILiteralNode>, IEquatable<IUriNode>, IEquatable<IVariableNode>, IEquatable<IRefNode>, IEquatable<ITripleNode>
Type Parameters
Name Description
TNodeID

Node ID Type.
TGraphID

Graph ID Type.

Constructors

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BaseVirtualBlankNode(IGraph, TNodeID, IVirtualRdfProvider<TNodeID, TGraphID>)

Creates a new Virtual Blank Node.

Declaration
protected BaseVirtualBlankNode(IGraph g, TNodeID id, IVirtualRdfProvider<TNodeID, TGraphID> provider)
Parameters
Type Name Description
IGraph g

Graph the Node belongs to.
TNodeID id

Virtual ID.
IVirtualRdfProvider<TNodeID, TGraphID> provider

Virtual RDF Provider.
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BaseVirtualBlankNode(IGraph, TNodeID, IVirtualRdfProvider<TNodeID, TGraphID>, IBlankNode)

Creates a new Virtual Blank Node.

Declaration
protected BaseVirtualBlankNode(IGraph g, TNodeID id, IVirtualRdfProvider<TNodeID, TGraphID> provider, IBlankNode value)
Parameters
Type Name Description
IGraph g

Graph the Node belongs to.
TNodeID id

Virtual ID.
IVirtualRdfProvider<TNodeID, TGraphID> provider

Virtual RDF Provider.
IBlankNode value

Materialised Value.

Properties

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EffectiveType

Gets the URI of the datatype this valued node represents as a String.

Declaration
public string EffectiveType { get; }
Property Value
Type Description
string
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InternalID

Gets the Internal ID of the Blank Node.

Declaration
public string InternalID { get; }
Property Value
Type Description
string
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NumericType

Gets the numeric type of the node.

Declaration
public SparqlNumericType NumericType { get; }
Property Value
Type Description
SparqlNumericType

Methods

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AsBoolean()

Throws an error as blank nodes cannot be cast to types.

Declaration
public bool AsBoolean()
Returns
Type Description
bool
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AsDateTime()

Throws an error as blank nodes cannot be cast to types.

Declaration
public DateTime AsDateTime()
Returns
Type Description
DateTime
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AsDateTimeOffset()

Throws an error as blank nodes cannot be cast to types.

Declaration
public DateTimeOffset AsDateTimeOffset()
Returns
Type Description
DateTimeOffset
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AsDecimal()

Throws an error as blank nodes cannot be cast to types.

Declaration
public decimal AsDecimal()
Returns
Type Description
decimal
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AsDouble()

Throws an error as blank nodes cannot be cast to types.

Declaration
public double AsDouble()
Returns
Type Description
double
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AsFloat()

Throws an error as blank nodes cannot be cast to types.

Declaration
public float AsFloat()
Returns
Type Description
float
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AsInteger()

Throws an error as blank nodes cannot be cast to types.

Declaration
public long AsInteger()
Returns
Type Description
long
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AsString()

Throws an error as blank nodes cannot be cast to types.

Declaration
public string AsString()
Returns
Type Description
string
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AsTimeSpan()

Throws an error as blank nodes cannot be cast to a time span.

Declaration
public TimeSpan AsTimeSpan()
Returns
Type Description
TimeSpan
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CompareTo(IBlankNode)

Compares this Node to another Blank Node.

Declaration
public override int CompareTo(IBlankNode other)
Parameters
Type Name Description
IBlankNode other

Other Blank Node.
Returns
Type Description
int
Overrides
Remarks

Unless Virtual Equality (equality based on the Virtual RDF Provider and Virtual ID) can be determined or the Nodes are of different types then the Nodes value will have to be materialised in order to perform comparison.

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CompareTo(BaseVirtualBlankNode<TNodeID, TGraphID>)

Compares this Node to another Blank Node.

Declaration
public int CompareTo(BaseVirtualBlankNode<TNodeID, TGraphID> other)
Parameters
Type Name Description
BaseVirtualBlankNode<TNodeID, TGraphID> other

Other Blank Node.
Returns
Type Description
int
Remarks

Unless Virtual Equality (equality based on the Virtual RDF Provider and Virtual ID) can be determined or the Nodes are of different types then the Nodes value will have to be materialised in order to perform comparison.

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Equals(IBlankNode)

Checks this Node for equality against another Blank Node.

Declaration
public override bool Equals(IBlankNode other)
Parameters
Type Name Description
IBlankNode other

Other Blank Node.
Returns
Type Description
bool
Overrides
Remarks

Unless Virtual Equality (equality based on the Virtual RDF Provider and Virtual ID) can be determined or the Nodes are of different types then the Nodes value will have to be materialised in order to perform the equality check.

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Equals(BaseVirtualBlankNode<TNodeID, TGraphID>)

Checks this Node for equality against another Blank Node.

Declaration
public bool Equals(BaseVirtualBlankNode<TNodeID, TGraphID> other)
Parameters
Type Name Description
BaseVirtualBlankNode<TNodeID, TGraphID> other

Other Blank Node.
Returns
Type Description
bool
Remarks

Unless Virtual Equality (equality based on the Virtual RDF Provider and Virtual ID) can be determined or the Nodes are of different types then the Nodes value will have to be materialised in order to perform the equality check.

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OnMaterialise()

Takes post materialisation actions.

Declaration
protected override sealed void OnMaterialise()
Overrides

Implements

Extension Methods