/// <summary>
/// Initializes a new instance of the <see cref="BackOfficeRoleProvider"/> class.
/// </summary>
/// <param name="hiveManager">The hive manager.</param>
public BackOfficeRoleProvider(Lazy <IHiveManager> hiveManager)
{
// Since this service is instantiated by ASP.NET using a parameterless constructor,
// we need to use the dependencyresolver here. However, to avoid throwing exceptions
// from the constructor itself in the event of a bad resolution attempt, we'll
// resolve it on first access by using Lazy.
_hiveManager = hiveManager ?? new Lazy <IHiveManager>(
() => DependencyResolver.Current.GetService <IUmbracoApplicationContext>().Hive);
_userHive =
new Lazy <GroupUnitFactory <ISecurityStore> >(
() => Hive.GetWriter <ISecurityStore>(new Uri("security://users")));
_userGroupHive =
new Lazy <GroupUnitFactory <ISecurityStore> >(
() => Hive.GetWriter <ISecurityStore>(new Uri("security://user-groups")));
}