C++ Based OPC UA Client/Server SDK
1.6.5.478
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The HistoryReadAtTimeContext class contains the settings for a HistoryReadAtTime call. More...
#include <uaclientsdk.h>
Public Member Functions | |
HistoryReadAtTimeContext () | |
Creates a HistoryReadAtTimeContext object with default settings described with the parameters. More... | |
~HistoryReadAtTimeContext () | |
Destroys the HistoryReadAtTimeContext object. More... | |
Public Attributes | |
OpcUa_TimestampsToReturn | timeStamps |
Enumeration for the timestamps to return with the values. More... | |
OpcUa_Boolean | bReleaseContinuationPoints |
This parameter must be set to true to release a continuation point without requesting more data. More... | |
UaDateTimeArray | requestedTimes |
The entries in the array define the specific timestamps for which values are to be read. More... | |
OpcUa_Boolean | useSimpleBounds |
Flag indicating if simple bound calculation should be applied. More... | |
The HistoryReadAtTimeContext class contains the settings for a HistoryReadAtTime call.
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inline |
Creates a HistoryReadAtTimeContext object with default settings described with the parameters.
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inline |
Destroys the HistoryReadAtTimeContext object.
OpcUa_Boolean UaClientSdk::HistoryReadAtTimeContext::bReleaseContinuationPoints |
This parameter must be set to true to release a continuation point without requesting more data.
The default value is false.
UaDateTimeArray UaClientSdk::HistoryReadAtTimeContext::requestedTimes |
The entries in the array define the specific timestamps for which values are to be read.
The default value is an empty array.
OpcUa_TimestampsToReturn UaClientSdk::HistoryReadAtTimeContext::timeStamps |
Enumeration for the timestamps to return with the values.
The default value is Source.
Possible options are
The option OpcUa_TimestampsToReturn_Neither = 3 is invalid for history read.
OpcUa_Boolean UaClientSdk::HistoryReadAtTimeContext::useSimpleBounds |
Flag indicating if simple bound calculation should be applied.
The default value is false.