#pragma warning restore IDE0032
public ModuleSupervisor(DirectoryInfo directory,
IMetadataReader metadataReader,
ILogger <ModuleSupervisor> logger = null)
{
if (directory == null)
{
throw new ArgumentNullException(nameof(directory));
}
if (metadataReader == null)
{
throw new ArgumentNullException(nameof(metadataReader));
}
Directory = directory;
_metadataReader = metadataReader;
_logger = logger;
// Volatile write op (Is avtually not necessary here, because the CLR enforces thread-safety.)
_state = ModuleSupervisorState.Initializing;
_metadataLazy = new DisposableAsyncLazy <IModuleMetadata>(
factory: LookupMetadataAsync,
options: DisposableAsyncLazyOptions.Autostart | DisposableAsyncLazyOptions.ExecuteOnCallingThread | DisposableAsyncLazyOptions.RetryOnFailure);
_supervisorProcess = new AsyncProcess(SupervisorProcessRoutine, start: true);
_disposeHelper = new AsyncDisposeHelper(DisposeInternalAsync);
}
private void SetState(ModuleSupervisorState state)
{
Assert(state >= ModuleSupervisorState.Initializing && state <= ModuleSupervisorState.Shutdown);
_state = state; // Volatile write op.
StateChanged?.Invoke(this, state);
}