C# Class Opc.Ua.Client.NodeCache

A client side cache of the server's type model.

Inheritance: INodeTable, ITypeTable

ファイルを表示 Open project: OPCFoundation/UA-.NET Class Usage Examples

Public Methods

Method	Description
BuildBrowsePath ( ILocalNode node, IList browsePath ) : NodeId	Builds the relative path from a type to a node.
Clear ( ) : void	Removes all nodes from the cache.
Exists ( ExpandedNodeId nodeId ) : bool
FetchNode ( ExpandedNodeId nodeId ) : Node	Fetches a node from the server and updates the cache.
FetchSuperTypes ( ExpandedNodeId nodeId ) : void	Adds the supertypes of the node to the cache.
Find ( ExpandedNodeId sourceId, NodeId referenceTypeId, bool isInverse, bool includeSubtypes ) : IList
Find ( ExpandedNodeId nodeId ) : INode
Find ( ExpandedNodeId sourceId, NodeId referenceTypeId, bool isInverse, bool includeSubtypes, QualifiedName browseName ) : INode
FindDataTypeId ( ExpandedNodeId encodingId ) : NodeId	Returns the data type for the specified encoding.
FindDataTypeId ( NodeId encodingId ) : NodeId	Returns the data type for the specified encoding.
FindReferenceType ( QualifiedName browseName ) : NodeId	Returns the node identifier for the reference type with the specified browse name.
FindReferenceTypeName ( NodeId referenceTypeId ) : QualifiedName	Returns the qualified name for the reference type id.
FindReferences ( ExpandedNodeId nodeId, NodeId referenceTypeId, bool isInverse, bool includeSubtypes ) : IList	Returns the references of the specified node that meet the criteria specified.
FindSubTypes ( ExpandedNodeId typeId ) : IList	Returns the immediate subtypes for the type.
FindSuperType ( ExpandedNodeId typeId ) : NodeId	Returns the immediate supertype for the type.
FindSuperType ( NodeId typeId ) : NodeId	Returns the immediate supertype for the type.
GetDisplayText ( ExpandedNodeId nodeId ) : string	Returns a display name for a node.
GetDisplayText ( INode node ) : string	Returns a display name for a node.
GetDisplayText ( ReferenceDescription reference ) : string	Returns a display name for the target of a reference.
IsEncodingFor ( NodeId expectedTypeId, ExtensionObject value ) : bool	Determines if the value contained in an extension object value matches the expected data type.
IsEncodingFor ( NodeId expectedTypeId, object value ) : bool	Determines if the value is an encoding of the value
IsEncodingOf ( ExpandedNodeId encodingId, ExpandedNodeId datatypeId ) : bool	Checks if the identifier encodingId represents a that provides encodings for the datatypeId .
IsKnown ( ExpandedNodeId typeId ) : bool	Determines whether a node id is a known type id.
IsKnown ( NodeId typeId ) : bool	Determines whether a node id is a known type id.
IsTypeOf ( ExpandedNodeId subTypeId, ExpandedNodeId superTypeId ) : bool	Determines whether a type is a subtype of another type.
IsTypeOf ( NodeId subTypeId, NodeId superTypeId ) : bool	Determines whether a type is a subtype of another type.
LoadUaDefinedTypes ( ISystemContext context ) : void	Loads the UA defined types into the cache.
NodeCache ( Session session ) : System	Initializes the object with default values.

Method Details

BuildBrowsePath() public method

Builds the relative path from a type to a node.

public BuildBrowsePath ( ILocalNode node, IList browsePath ) : NodeId
node	ILocalNode
browsePath	IList
return	NodeId

Clear() public method

Removes all nodes from the cache.

public Clear ( ) : void
return	void

Exists() public method

public Exists ( ExpandedNodeId nodeId ) : bool
nodeId	ExpandedNodeId
return	bool

FetchNode() public method

Fetches a node from the server and updates the cache.

public FetchNode ( ExpandedNodeId nodeId ) : Node
nodeId	ExpandedNodeId
return	Node

FetchSuperTypes() public method

Adds the supertypes of the node to the cache.

public FetchSuperTypes ( ExpandedNodeId nodeId ) : void
nodeId	ExpandedNodeId
return	void

Find() public method

public Find ( ExpandedNodeId sourceId, NodeId referenceTypeId, bool isInverse, bool includeSubtypes ) : IList
sourceId	ExpandedNodeId
referenceTypeId	NodeId
isInverse	bool
includeSubtypes	bool
return	IList

Find() public method

public Find ( ExpandedNodeId nodeId ) : INode
nodeId	ExpandedNodeId
return	INode

Find() public method

public Find ( ExpandedNodeId sourceId, NodeId referenceTypeId, bool isInverse, bool includeSubtypes, QualifiedName browseName ) : INode
sourceId	ExpandedNodeId
referenceTypeId	NodeId
isInverse	bool
includeSubtypes	bool
browseName	QualifiedName
return	INode

FindDataTypeId() public method

Returns the data type for the specified encoding.

public FindDataTypeId ( ExpandedNodeId encodingId ) : NodeId
encodingId	ExpandedNodeId	The encoding id.
return	NodeId

FindDataTypeId() public method

Returns the data type for the specified encoding.

public FindDataTypeId ( NodeId encodingId ) : NodeId
encodingId	NodeId	The encoding id.
return	NodeId

FindReferenceType() public method

Returns the node identifier for the reference type with the specified browse name.

public FindReferenceType ( QualifiedName browseName ) : NodeId
browseName	QualifiedName	Browse name of the reference.
return	NodeId

FindReferenceTypeName() public method

Returns the qualified name for the reference type id.

public FindReferenceTypeName ( NodeId referenceTypeId ) : QualifiedName
referenceTypeId	NodeId	The reference type
return	QualifiedName

FindReferences() public method

Returns the references of the specified node that meet the criteria specified.

public FindReferences ( ExpandedNodeId nodeId, NodeId referenceTypeId, bool isInverse, bool includeSubtypes ) : IList
nodeId	ExpandedNodeId
referenceTypeId	NodeId
isInverse	bool
includeSubtypes	bool
return	IList

FindSubTypes() public method

Returns the immediate subtypes for the type.

public FindSubTypes ( ExpandedNodeId typeId ) : IList
typeId	ExpandedNodeId	The extended type identifier.
return	IList

FindSuperType() public method

Returns the immediate supertype for the type.

public FindSuperType ( ExpandedNodeId typeId ) : NodeId
typeId	ExpandedNodeId	The extended type identifier.
return	NodeId

FindSuperType() public method

Returns the immediate supertype for the type.

public FindSuperType ( NodeId typeId ) : NodeId
typeId	NodeId	The type identifier.
return	NodeId

GetDisplayText() public method

Returns a display name for a node.

public GetDisplayText ( ExpandedNodeId nodeId ) : string
nodeId	ExpandedNodeId
return	string

GetDisplayText() public method

Returns a display name for a node.

public GetDisplayText ( INode node ) : string
node	INode
return	string

GetDisplayText() public method

Returns a display name for the target of a reference.

public GetDisplayText ( ReferenceDescription reference ) : string
reference	ReferenceDescription
return	string

IsEncodingFor() public method

Determines if the value contained in an extension object value matches the expected data type.

public IsEncodingFor ( NodeId expectedTypeId, ExtensionObject value ) : bool
expectedTypeId	NodeId	The identifier of the expected type .
value	ExtensionObject	The value.
return	bool

IsEncodingFor() public method

Determines if the value is an encoding of the value

public IsEncodingFor ( NodeId expectedTypeId, object value ) : bool
expectedTypeId	NodeId	The expected type id.
value	object	The value.
return	bool

IsEncodingOf() public method

Checks if the identifier encodingId represents a that provides encodings for the datatypeId .

public IsEncodingOf ( ExpandedNodeId encodingId, ExpandedNodeId datatypeId ) : bool
encodingId	ExpandedNodeId	The id the encoding node .
datatypeId	ExpandedNodeId	The id of the DataType node.
return	bool

IsKnown() public method

Determines whether a node id is a known type id.

public IsKnown ( ExpandedNodeId typeId ) : bool
typeId	ExpandedNodeId	The type extended identifier.
return	bool

IsKnown() public method

Determines whether a node id is a known type id.

public IsKnown ( NodeId typeId ) : bool
typeId	NodeId	The type identifier.
return	bool

IsTypeOf() public method

Determines whether a type is a subtype of another type.

public IsTypeOf ( ExpandedNodeId subTypeId, ExpandedNodeId superTypeId ) : bool
subTypeId	ExpandedNodeId	The subtype identifier.
superTypeId	ExpandedNodeId	The supertype identifier.
return	bool

IsTypeOf() public method

Determines whether a type is a subtype of another type.

public IsTypeOf ( NodeId subTypeId, NodeId superTypeId ) : bool
subTypeId	NodeId	The subtype identifier.
superTypeId	NodeId	The supertype identyfier.
return	bool

LoadUaDefinedTypes() public method

Loads the UA defined types into the cache.

public LoadUaDefinedTypes ( ISystemContext context ) : void
context	ISystemContext	The context.
return	void

NodeCache() public method

Initializes the object with default values.

public NodeCache ( Session session ) : System
session	Session
return	System