SampleInfo is the information that accompanies each sample that is ‘read’ or ‘taken.
indicates whether or not the corresponding data sample has already been read
indicates whether the DataReader has already seen samples for the most-current generation of the related instance.
indicates whether the instance is currently in existence or, if it has been disposed, the reason why it was disposed.
number of times the instance had become alive after it was disposed
number of times the instance had become alive after it was disposed because no writers
number of samples related to the same instance that follow in the collection
the generation difference between the time the sample was received, and the time the most recent sample in the collection was received.
the generation difference between the time the sample was received, and the time the most recent sample was received. The most recent sample used for the calculation may or may not be in the returned collection
time provided by the DataWriter when the sample was written
time provided by the DataReader when the sample was added to its history
identifies locally the corresponding instance
identifies locally the DataWriter that modified the instance
Is the same InstanceHandle_t that is returned by the operation get_matched_publications on the DataReader
whether the DataSample contains data or is only used to communicate of a change in the instance
Related Sample Identity (Extension for RPC)
- SampleStateKind sample_state¶