/// <summary>
/// Creates an instance of a role initializer for the specified role
/// definition if one has been implemented; otherwise returns null
/// </summary>
/// <param name="roleDefinition">The role to find an initializer for</typeparam>
/// <returns>IRoleInitializer if one has been implemented; otherwise null</returns>
public IRoleInitializer Create(IRoleDefinition roleDefinition)
{
if (roleDefinition == null)
{
throw new ArgumentNullException(nameof(roleDefinition));
}
// Never add permission to the super admin role
if (roleDefinition is SuperAdminRole)
{
return(null);
}
var roleInitializerType = typeof(IRoleInitializer <>).MakeGenericType(roleDefinition.GetType());
var roleInitializer = _serviceProvider.GetService(roleInitializerType);
if (roleInitializer != null)
{
return((IRoleInitializer)roleInitializer);
}
else if (roleDefinition is AnonymousRole)
{
// We use a default initializer just for the anonymous role
// as it's the only built in role with permissions
return(new DefaultAnonymousRoleInitializer());
}
return(null);
}
/// <summary>
/// Creates an instance of a role initializer for the specified role
/// definition if one has been implemented; otherwise returns null
/// </summary>
/// <param name="roleDefinition">The role to find an initializer for</typeparam>
/// <returns>IRoleInitializer if one has been implemented; otherwise null</returns>
public IRoleInitializer Create(IRoleDefinition roleDefinition)
{
Condition.Requires(roleDefinition).IsNotNull();
// Never add permission to the super admin role
if (roleDefinition is SuperAdminRole)
{
return(null);
}
var type = typeof(IRoleInitializer <>).MakeGenericType(roleDefinition.GetType());
if (_resolutionContext.IsRegistered(type))
{
return((IRoleInitializer)_resolutionContext.Resolve(type));
}
else if (roleDefinition is AnonymousRole)
{
// We use a default initializer just for the anonymous role
// as it's the only built in role with permissions
return(new DefaultAnonymousRoleInitializer());
}
return(null);
}
public CircularDependencyGuard(IRoleDefinition roleDefinition)
{
baseRoleType = roleDefinition.GetType();
_executingRoles.Add(baseRoleType);
}