C# Class Opc.Ua.BaseVariableTypeState

The base class for all variable type nodes.

Inheritance: BaseTypeState

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

Public Properties

Property	Type	Description
OnReadArrayDimensions	NodeAttributeEventHandler>
OnReadDataType	NodeAttributeEventHandler
OnReadValueRank	NodeAttributeEventHandler
OnSimpleReadValue	NodeValueSimpleEventHandler
OnSimpleWriteValue	NodeValueSimpleEventHandler
OnWriteArrayDimensions	NodeAttributeEventHandler>
OnWriteDataType	NodeAttributeEventHandler
OnWriteValueRank	NodeAttributeEventHandler

Public Methods

Method	Description
GetAttributesToSave ( ISystemContext context ) : AttributesToSave	Returns a mask which indicates which attributes have non-default value.
Save ( ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave ) : void	Saves object in an binary stream.
Save ( ISystemContext context, XmlEncoder encoder ) : void	Saves the attributes from the stream.
Update ( ISystemContext context, BinaryDecoder decoder, AttributesToSave attibutesToLoad ) : void	Updates the specified context.
Update ( ISystemContext context, XmlDecoder decoder ) : void	Updates the attributes from the stream.

Protected Methods

Method	Description
BaseVariableTypeState ( ) : System	Initializes the instance with its defalt attribute values.
Export ( ISystemContext context, Node node ) : void	Exports a copy of the node to a node table.
ExtractValueFromVariant ( ISystemContext context, object value, bool throwOnError ) : object	Sets the value to its default value if it is not valid.
Initialize ( ISystemContext context, NodeState source ) : void	Initializes the instance from another instance.
ReadNonValueAttribute ( ISystemContext context, uint attributeId, object &value ) : ServiceResult	Reads the value for any non-value attribute.
ReadValueAttribute ( ISystemContext context, NumericRange indexRange, Opc.Ua.QualifiedName dataEncoding, object &value, System.DateTime &sourceTimestamp ) : ServiceResult	Reads the value for the value attribute.
WriteNonValueAttribute ( ISystemContext context, uint attributeId, object value ) : ServiceResult	Write the value for any non-value attribute.
WriteValueAttribute ( ISystemContext context, NumericRange indexRange, object value, Opc.Ua.StatusCode statusCode, System.DateTime sourceTimestamp ) : ServiceResult	Write the value for the value attribute.

Method Details

BaseVariableTypeState() protected method

Initializes the instance with its defalt attribute values.

protected BaseVariableTypeState ( ) : System
return	System

Export() protected method

Exports a copy of the node to a node table.

protected Export ( ISystemContext context, Node node ) : void
context	ISystemContext	The context.
node	Node	The node.
return	void

ExtractValueFromVariant() protected method

Sets the value to its default value if it is not valid.

protected ExtractValueFromVariant ( ISystemContext context, object value, bool throwOnError ) : object
context	ISystemContext
value	object
throwOnError	bool
return	object

GetAttributesToSave() public method

Returns a mask which indicates which attributes have non-default value.

public GetAttributesToSave ( ISystemContext context ) : AttributesToSave
context	ISystemContext	The context for the system being accessed.
return	AttributesToSave

Initialize() protected method

Initializes the instance from another instance.

protected Initialize ( ISystemContext context, NodeState source ) : void
context	ISystemContext
source	NodeState
return	void

ReadNonValueAttribute() protected method

Reads the value for any non-value attribute.

protected ReadNonValueAttribute ( ISystemContext context, uint attributeId, object &value ) : ServiceResult
context	ISystemContext
attributeId	uint
value	object
return	ServiceResult

ReadValueAttribute() protected method

Reads the value for the value attribute.

protected ReadValueAttribute ( ISystemContext context, NumericRange indexRange, Opc.Ua.QualifiedName dataEncoding, object &value, System.DateTime &sourceTimestamp ) : ServiceResult
context	ISystemContext
indexRange	NumericRange
dataEncoding	Opc.Ua.QualifiedName
value	object
sourceTimestamp	System.DateTime
return	ServiceResult

Save() public method

Saves object in an binary stream.

public Save ( ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave ) : void
context	ISystemContext	The context user.
encoder	BinaryEncoder	The encoder to write to.
attributesToSave	AttributesToSave	The masks indicating what attributes to write.
return	void

Save() public method

Saves the attributes from the stream.

public Save ( ISystemContext context, XmlEncoder encoder ) : void
context	ISystemContext	The context for the system being accessed.
encoder	XmlEncoder	The encoder wrapping the stream to write.
return	void

Update() public method

Updates the specified context.

public Update ( ISystemContext context, BinaryDecoder decoder, AttributesToSave attibutesToLoad ) : void
context	ISystemContext	The context.
decoder	BinaryDecoder	The decoder.
attibutesToLoad	AttributesToSave	The attributes to load.
return	void

Update() public method

Updates the attributes from the stream.

public Update ( ISystemContext context, XmlDecoder decoder ) : void
context	ISystemContext	The context for the system being accessed.
decoder	XmlDecoder	The decoder wrapping the stream to read.
return	void

WriteNonValueAttribute() protected method

Write the value for any non-value attribute.

protected WriteNonValueAttribute ( ISystemContext context, uint attributeId, object value ) : ServiceResult
context	ISystemContext
attributeId	uint
value	object
return	ServiceResult

WriteValueAttribute() protected method

Write the value for the value attribute.

protected WriteValueAttribute ( ISystemContext context, NumericRange indexRange, object value, Opc.Ua.StatusCode statusCode, System.DateTime sourceTimestamp ) : ServiceResult
context	ISystemContext
indexRange	NumericRange
value	object
statusCode	Opc.Ua.StatusCode
sourceTimestamp	System.DateTime
return	ServiceResult

Property Details

OnReadArrayDimensions public_oe property

Raised when the ArrayDimensions attribute is read.

public NodeAttributeEventHandler> OnReadArrayDimensions
return	NodeAttributeEventHandler>

OnReadDataType public_oe property

Raised when the DataType attribute is read.

public NodeAttributeEventHandler OnReadDataType
return	NodeAttributeEventHandler

OnReadValueRank public_oe property

Raised when the ValueRank attribute is read.

public NodeAttributeEventHandler OnReadValueRank
return	NodeAttributeEventHandler

OnSimpleReadValue public_oe property

Raised when the Value attribute is read.

public NodeValueSimpleEventHandler OnSimpleReadValue
return	NodeValueSimpleEventHandler

OnSimpleWriteValue public_oe property

Raised when the Value attribute is written.

public NodeValueSimpleEventHandler OnSimpleWriteValue
return	NodeValueSimpleEventHandler

OnWriteArrayDimensions public_oe property

Raised when the ArrayDimensions attribute is written.

public NodeAttributeEventHandler> OnWriteArrayDimensions
return	NodeAttributeEventHandler>

OnWriteDataType public_oe property

Raised when the DataType attribute is written.

public NodeAttributeEventHandler OnWriteDataType
return	NodeAttributeEventHandler

OnWriteValueRank public_oe property

Raised when the ValueRank attribute is written.

public NodeAttributeEventHandler OnWriteValueRank
return	NodeAttributeEventHandler