UnifiedAutomation.UaServer.HistoryDataRawReader Class Reference

A class which manages reading from data from an archive. More...

Public Member Functions
void	Initialize (RequestContext context, IHistoryDataSource datasource, ReadRawModifiedDetails details)
	Initializes the specified context. More...
bool	Next ()
	Moves the position to the next data value. More...
bool	Back ()
	Moves the position to the next data value. More...
void	Move (DateTime timestamp, bool treatUncertainAsBad, bool useSimpleBounds)
	Resets the reader to the specified timestamp. More...
DataValue	GetValue ()
	Get the value at the current position. More...
ModificationInfo	GetModificationInfo ()
	Gets the modification info for the value at the current position. More...

Detailed Description

A class which manages reading from data from an archive.

Member Function Documentation

bool UnifiedAutomation.UaServer.HistoryDataRawReader.Back ( )

inline

Moves the position to the next data value.

Returns

True if successful, false if there is no more data.

ModificationInfo UnifiedAutomation.UaServer.HistoryDataRawReader.GetModificationInfo ( )

inline

Gets the modification info for the value at the current position.

Returns

The modification info, null if no data exists.

DataValue UnifiedAutomation.UaServer.HistoryDataRawReader.GetValue ( )

inline

Get the value at the current position.

Returns

The value, null if there is no data.

void UnifiedAutomation.UaServer.HistoryDataRawReader.Initialize ( RequestContext  context, IHistoryDataSource  datasource, ReadRawModifiedDetails  details  )

inline

Initializes the specified context.

Parameters

context	The context.
datasource	The datasource.
details	The details.

void UnifiedAutomation.UaServer.HistoryDataRawReader.Move ( DateTime  timestamp, bool  treatUncertainAsBad, bool  useSimpleBounds  )

inline

Resets the reader to the specified timestamp.

Parameters

timestamp	The timestamp.
treatUncertainAsBad	if set to true then treat uncertain values as bad values.
useSimpleBounds	if set to true then use simple bounds.

bool UnifiedAutomation.UaServer.HistoryDataRawReader.Next ( )

inline

Moves the position to the next data value.

Returns

True if successful, false if there is no more data.

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

• C:/work/uasdknet/src/UaServer/NodeManager/HistoryDataRawReader.cs