Class BaseVirtualVariableNode<TNodeID, TGraphID>

Abstract Base implementation of a Virtual Variable Node.
Inheritance
System.Object
BaseVirtualNode<TNodeID, TGraphID>
BaseVirtualVariableNode<TNodeID, TGraphID>
SimpleVirtualVariableNode
Implements
IVirtualNode<TNodeID, TGraphID>
System.IEquatable<IVirtualNode<TNodeID, TGraphID>>
System.IComparable<IVirtualNode<TNodeID, TGraphID>>
System.IEquatable<BaseVirtualNode<TNodeID, TGraphID>>
System.IComparable<BaseVirtualNode<TNodeID, TGraphID>>
System.IEquatable<BaseVirtualVariableNode<TNodeID, TGraphID>>
System.IComparable<BaseVirtualVariableNode<TNodeID, TGraphID>>
System.IComparable<INode>
System.IComparable<IBlankNode>
System.IComparable<IGraphLiteralNode>
System.IComparable<ILiteralNode>
System.IComparable<IUriNode>
System.IComparable<IVariableNode>
System.IEquatable<INode>
System.IEquatable<IBlankNode>
System.IEquatable<IGraphLiteralNode>
System.IEquatable<ILiteralNode>
System.IEquatable<IUriNode>
System.IEquatable<IVariableNode>
System.Runtime.Serialization.ISerializable
System.Xml.Serialization.IXmlSerializable
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)
System.Object.ToString()
Namespace: VDS.RDF.Storage.Virtualisation
Assembly: dotNetRDF.dll
Syntax
public abstract class BaseVirtualVariableNode<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, IVariableNode, IEquatable<BaseVirtualVariableNode<TNodeID, TGraphID>>, IComparable<BaseVirtualVariableNode<TNodeID, TGraphID>>, IValuedNode, INode, IComparable<INode>, IComparable<IBlankNode>, IComparable<IGraphLiteralNode>, IComparable<ILiteralNode>, IComparable<IUriNode>, IComparable<IVariableNode>, IEquatable<INode>, IEquatable<IBlankNode>, IEquatable<IGraphLiteralNode>, IEquatable<ILiteralNode>, IEquatable<IUriNode>, IEquatable<IVariableNode>, ISerializable, IXmlSerializable
Type Parameters
Name Description
TNodeID Node ID Type.
TGraphID Graph ID Type.

Constructors

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

Creates a new Virtual Variable Node.
Declaration
public BaseVirtualVariableNode(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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BaseVirtualVariableNode(IGraph, TNodeID, IVirtualRdfProvider<TNodeID, TGraphID>, IVariableNode)

Creates a new Virtual Variable Node.
Declaration
public BaseVirtualVariableNode(IGraph g, TNodeID id, IVirtualRdfProvider<TNodeID, TGraphID> provider, IVariableNode value)
Parameters
Type Name Description
IGraph g Graph the Node belongs to.
TNodeID id Virtual ID.
IVirtualRdfProvider<TNodeID, TGraphID> provider Virtual RDF Provider.
IVariableNode 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
System.String
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NumericType

Gets the numeric type of the node.
Declaration
public SparqlNumericType NumericType { get; }
Property Value
Type Description
SparqlNumericType
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VariableName

Gets the Variable Name.
Declaration
public string VariableName { get; }
Property Value
Type Description
System.String

Methods

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AsBoolean()

Throws an error as variables nodes cannot be cast to types.
Declaration
public bool AsBoolean()
Returns
Type Description
System.Boolean
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AsDateTime()

Throws an error as variables nodes cannot be cast to types.
Declaration
public DateTime AsDateTime()
Returns
Type Description
System.DateTime
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AsDateTimeOffset()

Throws an error as variables nodes cannot be cast to types.
Declaration
public DateTimeOffset AsDateTimeOffset()
Returns
Type Description
System.DateTimeOffset
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AsDecimal()

Throws an error as variables nodes cannot be cast to types.
Declaration
public decimal AsDecimal()
Returns
Type Description
System.Decimal
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AsDouble()

Throws an error as variables nodes cannot be cast to types.
Declaration
public double AsDouble()
Returns
Type Description
System.Double
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AsFloat()

Throws an error as variables nodes cannot be cast to types.
Declaration
public float AsFloat()
Returns
Type Description
System.Single
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AsInteger()

Throws an error as variables nodes cannot be cast to types.
Declaration
public long AsInteger()
Returns
Type Description
System.Int64
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AsString()

Throws an error as variables nodes cannot be cast to types.
Declaration
public string AsString()
Returns
Type Description
System.String
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AsTimeSpan()

Throws an error as variables cannot be cast to a time span.
Declaration
public TimeSpan AsTimeSpan()
Returns
Type Description
System.TimeSpan
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CompareTo(IVariableNode)

Compares this Node to another Variable Node.
Declaration
public override int CompareTo(IVariableNode other)
Parameters
Type Name Description
IVariableNode other Other Variable Node.
Returns
Type Description
System.Int32
Overrides
VDS.RDF.Storage.Virtualisation.BaseVirtualNode<TNodeID, TGraphID>.CompareTo(VDS.RDF.IVariableNode)
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(BaseVirtualVariableNode<TNodeID, TGraphID>)

Compares this Node to another Variable Node.
Declaration
public int CompareTo(BaseVirtualVariableNode<TNodeID, TGraphID> other)
Parameters
Type Name Description
BaseVirtualVariableNode<TNodeID, TGraphID> other Other Variable Node.
Returns
Type Description
System.Int32
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(IVariableNode)

Checks this Node for equality against another Variable Node.
Declaration
public override bool Equals(IVariableNode other)
Parameters
Type Name Description
IVariableNode other Other Variable Node.
Returns
Type Description
System.Boolean
Overrides
VDS.RDF.Storage.Virtualisation.BaseVirtualNode<TNodeID, TGraphID>.Equals(VDS.RDF.IVariableNode)
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(BaseVirtualVariableNode<TNodeID, TGraphID>)

Checks this Node for equality against another Variable Node.
Declaration
public bool Equals(BaseVirtualVariableNode<TNodeID, TGraphID> other)
Parameters
Type Name Description
BaseVirtualVariableNode<TNodeID, TGraphID> other Other Variable Node.
Returns
Type Description
System.Boolean
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 sealed override void OnMaterialise()
Overrides
VDS.RDF.Storage.Virtualisation.BaseVirtualNode<TNodeID, TGraphID>.OnMaterialise()

Implements

System.IEquatable<T>
System.IComparable<T>
System.IEquatable<T>
System.IComparable<T>
System.IEquatable<T>
System.IComparable<T>
System.IComparable<T>
System.IComparable<T>
System.IComparable<T>
System.IComparable<T>
System.IComparable<T>
System.IComparable<T>
System.IEquatable<T>
System.IEquatable<T>
System.IEquatable<T>
System.IEquatable<T>
System.IEquatable<T>
System.IEquatable<T>
System.Runtime.Serialization.ISerializable
System.Xml.Serialization.IXmlSerializable

Extension Methods