#include <uamonitoreditem.h>

Inherits UaMonitoredItem, and IOVariableCallback.

Public Member Functions
	UaMonitoredItemData (const UaNodeId &nodeId, VariableHandle pVariableHandle, OpcUa_MonitoringMode MonitoringMode, OpcUa_Int32 ClientHandle, OpcUa_Double SamplingInterval, UaSubscription pUaSubscription, OpcUa_UInt32 QueueSize, OpcUa_Boolean DiscardOldest, OpcUa_DataChangeTrigger dataChangeTrigger)
	construction More...

	~UaMonitoredItemData ()
	destruction

MonitoredItemType	type () const
	Get the type of monitored item.

OpcUa_Boolean	hasChanged ()
	Check if the value or status of the item has changed. More...

void	setMonitoringMode (OpcUa_MonitoringMode monitoringMode)
	Set the Monitoring Mode. More...

void	setIOVariableHandle (OpcUa_UInt32 hIOVariable)
	Set the related IOVariable handle. More...

void	setDiscardPolicy (OpcUa_Boolean discardOldest)
	Set the discard policy for the monitored item. More...

OpcUa_Boolean	discardOldest () const
	Get the discard policy for the monitored item.

void	setQueueSize (OpcUa_UInt32 queueSize)
	Set the queue size for the monitored item. More...

OpcUa_UInt32	queueSize ()
	Get the queue size of the monitored item.

void	setAbsolutDeadband (OpcUa_Double absoluteDeadband)
	Set the absolute deadband for the monitored item. More...

void	setDataChangeTrigger (OpcUa_DataChangeTrigger dataChangeTrigger)
	Set the data change trigger for the monitored item. More...

OpcUa_DataChangeTrigger	dataChangeTrigger () const
	Get the data change trigger for the monitored item.

IOManager *	pIOManager () const
	Get the related IOManager.

VariableHandle *	pVariableHandle () const
	Get the related VariableHandle.

UaDataValue *	getChangedValue ()
	Get changed value from item and reset changed flag. More...

virtual void	reset ()
	Deletes all queued datachanges and resets flags to the state of creation.

virtual void	dataChange (const UaDataValue &dataValue)
	Signal a change in value or state. More...

virtual UaDataValue	getLastValue ()
	Get last value send with dataChange.

virtual OpcUa_Int32	getRemainingQueueSize ()
	Get the number of free slots in the queue If no queue is provided, the return value is -1.

Public Member Functions inherited from UaMonitoredItem
	UaMonitoredItem (const UaNodeId &nodeId, OpcUa_MonitoringMode MonitoringMode, OpcUa_Int32 ClientHandle, OpcUa_Double SamplingInterval, UaSubscription *pUaSubscription)
	construction More...

virtual	~UaMonitoredItem ()
	destruction

void	setClientHandle (OpcUa_Int32 clientHandle)
	Set the client handle of the monitored item. More...

OpcUa_Int32	clientHandle () const
	Get the client handle of the monitored item. More...

OpcUa_MonitoringMode	monitoringMode () const
	Get the monitoring mode of the monitored item. More...

void	setSamplingInterval (OpcUa_Double samplingInterval)
	Set the sampling rate of the monitored item. More...

OpcUa_Double	samplingInterval () const
	Get the sampling rate of the monitored item. More...

UaNodeId	nodeId () const
	NodeId of the node monitored with this item. More...

void	setLinks (std::list< OpcUa_UInt32 > *pLinks)
	Sets the triggering links of the monitored item. More...

std::list< OpcUa_UInt32 > *	links ()
	Returns the triggering links of the monitored item. More...

OpcUa_Boolean	wasTriggered () const
	Check if the item triggered. More...

void	resetTriggeredStatus ()
	Sets the triggered status of the monitored item to false.

OpcUa_TimestampsToReturn	timestampsToReturn () const
	Timestamps to return with a datavalue.

void	setTimestampsToReturn (OpcUa_TimestampsToReturn timestampsToReturn)
	Sets which timestamps shall be returned with a data value.

Public Member Functions inherited from IOVariableCallback
	IOVariableCallback ()
	Construction.

virtual	~IOVariableCallback ()
	Destruction.

Additional Inherited Members
Public Types inherited from UaMonitoredItem
enum	MonitoredItemType { DATA, EVENT }
	MonitoredItem type enumeration. More...

Protected Attributes inherited from UaMonitoredItem
UaSubscription *	m_pUaSubscription
	Parent subscription for the monitored item.

Detailed Description

UaMonitoredItemData.

Implements a UA monitored item for data changes. Derived from UaMonitoredItem and IOVariableCallback It is not possible to create shallow copies of this class. It is not possible to use the default constructor.

Constructor & Destructor Documentation

UaMonitoredItemData::UaMonitoredItemData	(	const UaNodeId &	nodeId,
		VariableHandle *	pVariableHandle,
		OpcUa_MonitoringMode	MonitoringMode,
		OpcUa_Int32	ClientHandle,
		OpcUa_Double	SamplingInterval,
		UaSubscription *	pUaSubscription,
		OpcUa_UInt32	QueueSize,
		OpcUa_Boolean	DiscardOldest,
		OpcUa_DataChangeTrigger	dataChangeTrigger
	)

construction

Parameters

nodeId	The Id of the given Node.
pVariableHandle	Variable handle provided by the NodeManager::getVariableHandle.
MonitoringMode	the mode for monitoring items.
ClientHandle	a handle to the client.
SamplingInterval	the value in MS for a Interval of a Variable
QueueSize	the size of the queue.
DiscardOldest	discards the oldest.
pUaSubscription	The subscription of the given Node.
dataChangeTrigger	a trigger that indicates that data has changed.

Member Function Documentation

void UaMonitoredItemData::dataChange ( const UaDataValue & dataValue )

virtual

Signal a change in value or state.

Parameters

dataValue the requested Value for this operation.

Implements IOVariableCallback.

UaDataValue * UaMonitoredItemData::getChangedValue ( )

Get changed value from item and reset changed flag.

Returns: the changed value from item and reset changed flag.

OpcUa_Boolean UaMonitoredItemData::hasChanged ( )

virtual

Check if the value or status of the item has changed.

Returns: true if changed false if not.

Implements UaMonitoredItem.

void UaMonitoredItemData::setAbsolutDeadband ( OpcUa_Double absoluteDeadband )

Set the absolute deadband for the monitored item.

Parameters

absoluteDeadband the absolute deadband for the monitored item.

void UaMonitoredItemData::setDataChangeTrigger ( OpcUa_DataChangeTrigger dataChangeTrigger )

Set the data change trigger for the monitored item.

Parameters

dataChangeTrigger the data change trigger for the monitored item.

void UaMonitoredItemData::setDiscardPolicy ( OpcUa_Boolean discardOldest )

Set the discard policy for the monitored item.

Parameters

discardOldest discards the oldest.

void UaMonitoredItemData::setIOVariableHandle ( OpcUa_UInt32 hIOVariable )

Set the related IOVariable handle.

Parameters

hIOVariable The handle of the variable in the IOManager created with beginStartMonitoring. The handle was passed to the SDK in the callback finishStartMonitoring.

void UaMonitoredItemData::setMonitoringMode ( OpcUa_MonitoringMode monitoringMode )

virtual

Set the Monitoring Mode.

Parameters

monitoringMode the Monitoring Mode

Reimplemented from UaMonitoredItem.

void UaMonitoredItemData::setQueueSize ( OpcUa_UInt32 queueSize )

Set the queue size for the monitored item.

Parameters

queueSize the size of the queue.

The documentation for this class was generated from the following files:

C:/work/uasdkcpp/src/uaserver/uaservercpp/uamodule/uamonitoreditem.h
C:/work/uasdkcpp/src/uaserver/uaservercpp/uamodule/uamonitoreditem.cpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation