C# Class Opc.Ua.Sample.MonitoredNode

Keeps track of the monitored items for a single node.

Datei anzeigen Open project: OPCFoundation/UA-.NET Class Usage Examples

Public Methods

Method	Description
ConditionRefresh ( ISystemContext context, IEventMonitoredItem monitoredItem ) : void	Resends the events for any conditions belonging to the node or its children.
CreateDataChangeItem ( ISystemContext context, uint monitoredItemId, uint attributeId, NumericRange indexRange, QualifiedName dataEncoding, DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, MonitoringMode monitoringMode, uint clientHandle, double samplingInterval, bool alwaysReportUpdates ) : DataChangeMonitoredItem	Creates a new data change monitored item.
CreateDataChangeItem ( ISystemContext context, uint monitoredItemId, 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 ) : DataChangeMonitoredItem	Creates a new data change monitored item.
DeleteItem ( IMonitoredItem monitoredItem ) : void	Deletes the monitored item.
IsMonitoringRequired ( uint attributeId ) : bool	Whether the node has any active monitored items for the specified attribute.
MonitoredNode ( IServerInternal server, INodeManager nodeManager, NodeState node ) : System	Initializes the instance with the context for the node being monitored.
OnNodeChange ( ISystemContext context, NodeState state, NodeStateChangeMasks masks ) : void	Handles change events raised by the node.
OnReportEvent ( ISystemContext context, NodeState state, IFilterTarget e ) : void	Handles events reported by the node.
SubscribeToEvents ( ISystemContext context, IEventMonitoredItem eventSubscription ) : void	Subscribes to events produced by the node.
UnsubscribeToEvents ( ISystemContext context, IEventMonitoredItem eventSubscription ) : void	Unsubscribes to events produced by the node.

Method Details

ConditionRefresh() public method

Resends the events for any conditions belonging to the node or its children.

public ConditionRefresh ( ISystemContext context, IEventMonitoredItem monitoredItem ) : void
context	ISystemContext	The system context.
monitoredItem	IEventMonitoredItem	The item to refresh.
return	void

CreateDataChangeItem() public method

Creates a new data change monitored item.

public CreateDataChangeItem ( ISystemContext context, uint monitoredItemId, uint attributeId, NumericRange indexRange, QualifiedName dataEncoding, DiagnosticsMasks diagnosticsMasks, TimestampsToReturn timestampsToReturn, MonitoringMode monitoringMode, uint clientHandle, double samplingInterval, bool alwaysReportUpdates ) : DataChangeMonitoredItem
context	ISystemContext	The system context.
monitoredItemId	uint	The unique identifier for the monitored item.
attributeId	uint	The attribute to monitor.
indexRange	NumericRange	The index range to use for array values.
dataEncoding	QualifiedName	The data encoding to return for structured values.
diagnosticsMasks	DiagnosticsMasks	The diagnostics masks to use.
timestampsToReturn	TimestampsToReturn	The timestamps to return.
monitoringMode	MonitoringMode	The initial monitoring mode.
clientHandle	uint	The handle assigned by the client.
samplingInterval	double	The sampling interval.
alwaysReportUpdates	bool	Whether the monitored item should skip the check for a change in value.
return	DataChangeMonitoredItem

CreateDataChangeItem() public method

Creates a new data change monitored item.

public CreateDataChangeItem ( ISystemContext context, uint monitoredItemId, 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 ) : DataChangeMonitoredItem
context	ISystemContext	The system context.
monitoredItemId	uint	The unique identifier for the monitored item.
attributeId	uint	The attribute to monitor.
indexRange	NumericRange	The index range to use for array values.
dataEncoding	QualifiedName	The data encoding to return for structured values.
diagnosticsMasks	DiagnosticsMasks	The diagnostics masks to use.
timestampsToReturn	TimestampsToReturn	The timestamps to return.
monitoringMode	MonitoringMode	The initial monitoring mode.
clientHandle	uint	The handle assigned by the client.
samplingInterval	double	The sampling interval.
queueSize	uint	The queue size.
discardOldest	bool	Whether to discard the oldest values when the queue overflows.
filter	DataChangeFilter	The data change filter to use.
range	Range	The range to use when evaluating a percentage deadband filter.
alwaysReportUpdates	bool	Whether the monitored item should skip the check for a change in value.
return	DataChangeMonitoredItem

DeleteItem() public method

Deletes the monitored item.

public DeleteItem ( IMonitoredItem monitoredItem ) : void
monitoredItem	IMonitoredItem
return	void

IsMonitoringRequired() public method

Whether the node has any active monitored items for the specified attribute.

public IsMonitoringRequired ( uint attributeId ) : bool
attributeId	uint
return	bool

MonitoredNode() public method

Initializes the instance with the context for the node being monitored.

public MonitoredNode ( IServerInternal server, INodeManager nodeManager, NodeState node ) : System
server	IServerInternal
nodeManager	INodeManager
node	NodeState
return	System

OnNodeChange() public method

Handles change events raised by the node.

public OnNodeChange ( ISystemContext context, NodeState state, NodeStateChangeMasks masks ) : void
context	ISystemContext	The system context.
state	NodeState	The node that raised the event.
masks	NodeStateChangeMasks	What caused the event to be raised
return	void

OnReportEvent() public method

Handles events reported by the node.

public OnReportEvent ( ISystemContext context, NodeState state, IFilterTarget e ) : void
context	ISystemContext	The system context.
state	NodeState	The node that raised the event.
e	IFilterTarget	The event to report.
return	void

SubscribeToEvents() public method

Subscribes to events produced by the node.

public SubscribeToEvents ( ISystemContext context, IEventMonitoredItem eventSubscription ) : void
context	ISystemContext
eventSubscription	IEventMonitoredItem
return	void

UnsubscribeToEvents() public method

Unsubscribes to events produced by the node.

public UnsubscribeToEvents ( ISystemContext context, IEventMonitoredItem eventSubscription ) : void
context	ISystemContext
eventSubscription	IEventMonitoredItem
return	void