public async Task RunAsync(CancellationToken token)
{
_logger.LogWarning("RfmTrainingWorker.RunAsync");
var tableNames = _options.TableNames;
var tableStatisticsTasks = new List <Task <TableStatistics> >(tableNames.Count);
foreach (string tableName in tableNames)
{
tableStatisticsTasks.Add(_tableStore.GetTableStatisticsAsync(tableName, token));
}
await Task.WhenAll(tableStatisticsTasks).ConfigureAwait(false);
var tableDefinitionList = new List <TableDefinition>(tableStatisticsTasks.Count);
for (int index = 0; index < tableStatisticsTasks.Count; ++index)
{
var result = tableStatisticsTasks[index].Result;
if (result == null)
{
_logger.LogWarning(string.Format("Statistics data for {0} table could not be retrieved. It will not participate in model training.", tableNames[index]));
}
else
{
tableDefinitionList.Add(result.Definition);
}
}
var modelStatistics = await _model.TrainAsync(_options.SchemaName, token, tableDefinitionList.ToArray()).ConfigureAwait(false);
await UpdateRfmFacet(modelStatistics as RfmStatistics, token);
}