/// <summary>
/// Returns the requested entity only if the access is allowed or the provider is null
/// </summary>
/// <typeparam name="TReturn">The type of the entity to return</typeparam>
/// <typeparam name="TProvider">The entity type being checked</typeparam>
/// <param name="provider">The provider to use try and use for this check</param>
/// <param name="entity">The entity to check permissions on</param>
/// <returns>The entity, or null if access is explicitely denied</returns>
public static TReturn TryFind <TReturn, TProvider>(this ISecurityProvider <TProvider> provider, TReturn entity) where TReturn : class, TProvider
{
if (provider.TryCheckAccess(entity))
{
return(entity);
}
else
{
return(null);
}
}