public Task Initialize(Func <Task <bool> > before = null, Func <Task> after = null)
{
ValidateConfiguration();
return(MakeStateTransition(ProviderState.Created, ProviderState.Initializing, ProviderState.Initialized,
() => InitializeCore().ContinueWith(
t =>
{
_rawDataSource = CreateDataSource(t.Result);
if (_rawDataSource != null)
{
_rawDataSourceObserver = _rawDataSource.Subscribe(
data => _dataSourceProxySubject.OnNext(data),
error =>
{
_dataSourceProxySubject.OnError(error);
Log.Error().Exception(error).Write();
_providerStateSubject.OnNext(ProviderState.Failed);
});
}
return t.Result;
}, TaskContinuationOptions.OnlyOnRanToCompletion),
before, after));
}
