public static void RegisterByAttribute(this IUnityContainer container, bool mockMode, params Assembly[] assemblies)
{
_container = container;
_collectionItemsForType = new Dictionary <Type, List <ResolutionItem> >();
_keysForTypes = new Dictionary <Type, HashSet <string> >();
_interceptorWrapper = CreateInterceptorWrapper();
_componentResolver = new UnityComponentResolver(container);
var scanAndRegisterActions = new List <IList <string> >
{
ScanAndRegister <RegisterSingletonAttribute, ContainerControlledLifetimeManager>(mockMode, assemblies),
ScanAndRegister <RegisterPerRequestAttribute, HttpContextLifetimeManager>(mockMode, assemblies),
ScanAndRegister <RegisterTransientAttribute, TransientLifetimeManager>(mockMode, assemblies),
};
var errorMessages = scanAndRegisterActions.SelectMany(msg => msg).ToList();
ContainerAttributeUtils.ThrowIfError(errorMessages);
}
private static void EnsureNotAlreadyRegistered(RegistrationContext reg)
{
var type = reg.IsConcrete ? reg.ToType : reg.FromType;
if (!_container.IsRegistered(type))
{
return;
}
var attrName = ContainerAttributeUtils.GetFriendlyName(reg.Attribute);
var msg = $"{type}: This type has already been registered";
if (!reg.IsConcrete)
{
msg += $" as {reg.ToType}";
}
msg += ". Registrations cannot be overriden.\n" +
$"To register a collection of components use to be resolved together use [{attrName}(OfCollection = true)].\n" +
$"To register multiple instances of the same type to be resolved individually by key use [{attrName}(Key = MyKey)]";
throw new RegistrationFailedException(msg);
}
