this.pendingAssemblies = new CopyOnWriteArrayList();
    public Registry() {        this.componentRegistry = new ComponentRegistry(this);        this.endpointRegistry = new EndpointRegistry(this);        this.subscriptionRegistry = new SubscriptionRegistry(this);        this.serviceAssemblyRegistry = new ServiceAssemblyRegistry(this);        this.serviceUnits = new ConcurrentHashMap();    }