public FileDataSource(IFeatureStore featureStore, List <string> paths, bool autoUpdate, TimeSpan pollInterval,
Func <string, object> alternateParser, bool skipMissingPaths, DuplicateKeysHandling duplicateKeysHandling,
IFileReader fileReader)
{
_featureStore = featureStore;
_paths = new List <string>(paths);
_parser = new FlagFileParser(alternateParser);
_dataMerger = new FlagFileDataMerger(duplicateKeysHandling);
_fileReader = fileReader;
_skipMissingPaths = skipMissingPaths;
if (autoUpdate)
{
try
{
#if NETSTANDARD1_4 || NETSTANDARD1_6
_reloader = new FilePollingReloader(_paths, TriggerReload, pollInterval);
#else
_reloader = new FileWatchingReloader(_paths, TriggerReload);
#endif
}
catch (Exception e)
{
Log.ErrorFormat("Unable to watch files for auto-updating: {0}", e);
_reloader = null;
}
}
else
{
_reloader = null;
}
}
public FlagFileDataMerger(DuplicateKeysHandling duplicateKeysHandling)
{
_duplicateKeysHandling = duplicateKeysHandling;
}
/// <summary>
/// Specifies how to handle keys that are duplicated across files.
/// </summary>
/// <remarks>
/// <para>
/// By default, the file data source will throw if keys are duplicated across files.
/// </para>
/// </remarks>
/// <param name="duplicateKeysHandling">how duplicate keys should be handled</param>
/// <returns>the same factory object</returns>
public FileDataSourceFactory WithDuplicateKeysHandling(DuplicateKeysHandling duplicateKeysHandling)
{
_duplicateKeysHandling = duplicateKeysHandling;
return(this);
}
