internal async Task EnsureConfigurationAsync()
{
if (_configuration != null)
{
return;
}
await _semaphore.WaitAsync();
try
{
if (_configuration != null)
{
return;
}
var providers = new List <IConfigurationProvider>();
if (_configBuilderFactory != null)
{
providers.AddRange(new ConfigurationBuilder()
.AddConfiguration((await _configBuilderFactory.Invoke(_name)).Build())
.Build().Providers);
}
if (_configurationProviders != null)
{
providers.AddRange(_configurationProviders);
}
_updatableData = new UpdatableDataProvider(_initialData ?? Enumerable.Empty <KeyValuePair <string, string> >());
providers.Add(_updatableData);
_configuration = new ConfigurationRoot(providers);
}
finally
{
_semaphore.Release();
}
}
