/// <summary>
/// Initializes a new instance of the <see cref="ProviderRepository<T>"/> class.
/// </summary>
/// <param name="provider">The provider.</param>
public ProviderRepository(
T provider)
{
_providers = new ProviderCollection <T>();
_providers.Add(provider);
_provider = provider;
}
/// <summary>
/// Loads the providers.
/// </summary>
protected virtual void LoadProviders(
bool throwErrorIfUnableToLoadSection)
{
// Avoid claiming lock if providers are already loaded
if (_providers == null)
{
lock (_syncRoot)
{
// Do this again to make sure provider is still null
if (_providers == null)
{
// Get the providers
_providers = new ProviderCollection <T>();
// Get a reference to the section
ProvidersSection section = null;
try
{
section =
ConfigurationManager.GetSection(_sectionName) as ProvidersSection;
}
catch (Exception)
{
section = null;
}
if (section == null)
{
if (throwErrorIfUnableToLoadSection)
{
throw new ProviderException(
String.Format("Unable to load configuration section: '{0}'.",
_sectionName));
}
}
else
{
ProvidersHelper.InstantiateProviders(section.Providers, _providers, typeof(T));
if (_providers.Count > 0)
{
// If there is a default provider specified, then grab it,
// else grab the first provider in the collection
if (!String.IsNullOrEmpty(section.DefaultProvider))
{
_provider = (T)_providers[section.DefaultProvider];
}
else
{
_provider = _providers[0];
}
}
if (throwErrorIfUnableToLoadSection)
{
// If we have no provider, then throw an exception
if (_provider == null)
{
throw new ProviderException(
String.Format("Unable to load default provider for section: '{0}'.",
_sectionName));
}
}
}
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ProviderRepository<T>"/> class.
/// </summary>
/// <param name="providers">The providers.</param>
public ProviderRepository(
ProviderCollection <T> providers)
{
_providers = providers;
}