public IOptionSet Build(ReadOnlyConfigurationOptionModel model, ConfigurationIdentity configIdentity)
{
var optionProvider = model.OptionProviderType != null
? serviceProvider.GetService(model.OptionProviderType)
: null;
return(model.BuildOptionSet(configIdentity, optionProvider));
}
private ReadOnlyConfigurationOptionModel BuildReadOptionModel <TOption, TOptionProvider>(Expression <Func <TConfigurationSet, OptionSet <TOption> > > optionSelector, Func <TOption, string> keySelector, Func <TOption, object> descriptionSelector, Func <TOptionProvider, ConfigurationIdentity, IEnumerable <TOption> > optionProvider) where TOption : class, new()
{
var propertyInfo = ExpressionHelper.GetPropertyInfo(optionSelector);
var name = propertyInfo.Name;
var type = typeof(TOption);
var setter = (Action <TConfigurationSet, OptionSet <TOption> >)propertyInfo.SetMethod.CreateDelegate(typeof(Action <TConfigurationSet, OptionSet <TOption> >));
var definition = new ReadOnlyConfigurationOptionModel <TOption, TConfigurationSet, TOptionProvider>(name, keySelector, descriptionSelector, optionSelector.Compile(), setter, optionProvider);
ApplyDefaultPropertyDefinitions(definition);
return(definition);
}