C# Class Opc.Ua.Sample.DataChangeMonitoredItem

Provides a basic monitored item implementation which does not support queuing.

Inheritance: IDataChangeMonitoredItem

Afficher le fichier Open project: OPCFoundation/UA-.NET Class Usage Examples

Méthodes publiques

Méthode	Description
DataChangeMonitoredItem ( MonitoredNode source, uint id, uint attributeId, NumericRange indexRange, QualifiedName dataEncoding, DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, MonitoringMode monitoringMode, uint clientHandle, double samplingInterval, bool alwaysReportUpdates ) : System	Constructs a new instance.
DataChangeMonitoredItem ( MonitoredNode source, uint id, uint attributeId, NumericRange indexRange, QualifiedName dataEncoding, DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, MonitoringMode monitoringMode, uint clientHandle, double samplingInterval, uint queueSize, bool discardOldest, DataChangeFilter filter, Range range, bool alwaysReportUpdates ) : System	Constructs a new instance.
GetCreateResult ( MonitoredItemCreateResult &result ) : ServiceResult	Returns the results for the create request.
GetModifyResult ( MonitoredItemModifyResult &result ) : ServiceResult	Returns the results for the modify request.
Modify ( DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, uint clientHandle, double samplingInterval ) : ServiceResult	Modifies the monitored item parameters,
Modify ( DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, uint clientHandle, double samplingInterval, uint queueSize, bool discardOldest, DataChangeFilter filter, Range range ) : ServiceResult	Modifies the monitored item parameters,
Publish ( OperationContext context, Queue notifications, Queue diagnostics ) : bool	Called by the subscription to publish any notification.
QueueValue ( DataValue value, ServiceResult error ) : void	Queues a new data change.
SetMonitoringMode ( MonitoringMode monitoringMode ) : MonitoringMode	Changes the monitoring mode.
SetSemanticsChanged ( ) : void	Sets a flag indicating that the semantics for the monitored node have changed. The StatusCode for next value reported by the monitored item will have the SemanticsChanged bit set.
SetStructureChanged ( ) : void	Sets a flag indicating that the structure of the monitored node has changed. The StatusCode for next value reported by the monitored item will have the StructureChanged bit set.
ValueChanged ( ISystemContext context ) : void	Called when the attribute being monitored changed. Reads and queues the value.

Private Methods

Méthode	Description
IncrementSampleTime ( ) : void	Increments the sample time to the next interval.
Publish ( OperationContext context, DataValue value, ServiceResult error, Queue notifications, Queue diagnostics ) : void	Publishes a value.

Method Details

DataChangeMonitoredItem() public méthode

Constructs a new instance.

public DataChangeMonitoredItem ( MonitoredNode source, uint id, uint attributeId, NumericRange indexRange, QualifiedName dataEncoding, DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, MonitoringMode monitoringMode, uint clientHandle, double samplingInterval, bool alwaysReportUpdates ) : System
source	MonitoredNode
id	uint
attributeId	uint
indexRange	NumericRange
dataEncoding	QualifiedName
diagnosticsMasks	DiagnosticsMasks
timestampsToReturn	TimestampsToReturn
monitoringMode	MonitoringMode
clientHandle	uint
samplingInterval	double
alwaysReportUpdates	bool
Résultat	System

DataChangeMonitoredItem() public méthode

Constructs a new instance.

public DataChangeMonitoredItem ( MonitoredNode source, uint id, uint attributeId, NumericRange indexRange, QualifiedName dataEncoding, DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, MonitoringMode monitoringMode, uint clientHandle, double samplingInterval, uint queueSize, bool discardOldest, DataChangeFilter filter, Range range, bool alwaysReportUpdates ) : System
source	MonitoredNode
id	uint
attributeId	uint
indexRange	NumericRange
dataEncoding	QualifiedName
diagnosticsMasks	DiagnosticsMasks
timestampsToReturn	TimestampsToReturn
monitoringMode	MonitoringMode
clientHandle	uint
samplingInterval	double
queueSize	uint
discardOldest	bool
filter	DataChangeFilter
range	Range
alwaysReportUpdates	bool
Résultat	System

GetCreateResult() public méthode

Returns the results for the create request.

public GetCreateResult ( MonitoredItemCreateResult &result ) : ServiceResult
result	MonitoredItemCreateResult
Résultat	ServiceResult

GetModifyResult() public méthode

Returns the results for the modify request.

public GetModifyResult ( MonitoredItemModifyResult &result ) : ServiceResult
result	MonitoredItemModifyResult
Résultat	ServiceResult

Modify() public méthode

Modifies the monitored item parameters,

public Modify ( DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, uint clientHandle, double samplingInterval ) : ServiceResult
diagnosticsMasks	DiagnosticsMasks
timestampsToReturn	TimestampsToReturn
clientHandle	uint
samplingInterval	double
Résultat	ServiceResult

Modify() public méthode

Modifies the monitored item parameters,

public Modify ( DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, uint clientHandle, double samplingInterval, uint queueSize, bool discardOldest, DataChangeFilter filter, Range range ) : ServiceResult
diagnosticsMasks	DiagnosticsMasks
timestampsToReturn	TimestampsToReturn
clientHandle	uint
samplingInterval	double
queueSize	uint
discardOldest	bool
filter	DataChangeFilter
range	Range
Résultat	ServiceResult

Publish() public méthode

Called by the subscription to publish any notification.

public Publish ( OperationContext context, Queue notifications, Queue diagnostics ) : bool
context	Opc.Ua.Server.OperationContext
notifications	Queue
diagnostics	Queue
Résultat	bool

QueueValue() public méthode

Queues a new data change.

public QueueValue ( DataValue value, ServiceResult error ) : void
value	DataValue
error	ServiceResult
Résultat	void

SetMonitoringMode() public méthode

Changes the monitoring mode.

public SetMonitoringMode ( MonitoringMode monitoringMode ) : MonitoringMode
monitoringMode	MonitoringMode
Résultat	MonitoringMode

SetSemanticsChanged() public méthode

Sets a flag indicating that the semantics for the monitored node have changed.

The StatusCode for next value reported by the monitored item will have the SemanticsChanged bit set.

public SetSemanticsChanged ( ) : void
Résultat	void

SetStructureChanged() public méthode

Sets a flag indicating that the structure of the monitored node has changed.

The StatusCode for next value reported by the monitored item will have the StructureChanged bit set.

public SetStructureChanged ( ) : void
Résultat	void

ValueChanged() public méthode

Called when the attribute being monitored changed. Reads and queues the value.

public ValueChanged ( ISystemContext context ) : void
context	ISystemContext
Résultat	void