.NET Based OPC UA Client/Server SDK
3.1.3.516
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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... | |
A class which manages reading from data from an archive.
bool UnifiedAutomation.UaServer.HistoryDataRawReader.Back | ( | ) |
Moves the position to the next data value.
ModificationInfo UnifiedAutomation.UaServer.HistoryDataRawReader.GetModificationInfo | ( | ) |
Gets the modification info for the value at the current position.
DataValue UnifiedAutomation.UaServer.HistoryDataRawReader.GetValue | ( | ) |
Get the value at the current position.
void UnifiedAutomation.UaServer.HistoryDataRawReader.Initialize | ( | RequestContext | context, |
IHistoryDataSource | datasource, | ||
ReadRawModifiedDetails | details | ||
) |
Initializes the specified context.
context | The context. |
datasource | The datasource. |
details | The details. |
void UnifiedAutomation.UaServer.HistoryDataRawReader.Move | ( | DateTime | timestamp, |
bool | treatUncertainAsBad, | ||
bool | useSimpleBounds | ||
) |
Resets the reader to the specified timestamp.
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 | ( | ) |
Moves the position to the next data value.