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import { ActivationContext } from "./ActivationContext";
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import { ActivationError } from "./ActivationError";
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import { ContainerBuilder } from "./ContainerBuilder";
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import { RegistrationMap, ServiceContainer, ContainerServices, ServiceLocator, IContainerBuilder, Configurable, ContainerKeys} from "./interfaces";
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import { LifetimeManager } from "./LifetimeManager";
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export class Container<S extends Configurable<S>> implements ServiceContainer<S> {
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private readonly _services: Partial<RegistrationMap<ContainerServices<S>>>;
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private readonly _lifetimeManager: LifetimeManager;
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private _disposed: boolean;
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constructor(services: Partial<RegistrationMap<ContainerServices<S>>>, lifetimeManager: LifetimeManager) {
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this._services = services;
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this._services.container = { activate: () => this as ContainerServices<S>["container"]};
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this._services.childContainer = { activate: () => this.createChildContainer() as ContainerServices<S>["childContainer"] };
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this._disposed = false;
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this._lifetimeManager = lifetimeManager;
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}
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createChildContainer(): IContainerBuilder<S> {
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return new ContainerBuilder(this._services);
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}
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resolve<K extends keyof ContainerServices<S>>(name: K): NonNullable<ContainerServices<S>[K]>;
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resolve<K extends keyof ContainerServices<S>, T>(name: K, def: T): NonNullable<ContainerServices<S>[K]> | T;
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resolve<K extends keyof ContainerServices<S>, T>(name: K, def?: T) {
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// TODO: add logging
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// trace.debug("resolve {0}", name);
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const d = this._services[name];
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if (d === undefined) {
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if (arguments.length > 1)
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return def;
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else
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throw new Error(`Service '${String(name)}' isn't found`);
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} else {
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const context = new ActivationContext(this._lifetimeManager, this._services, String(name), d);
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try {
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return d.activate(context);
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} catch (error) {
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throw new ActivationError(name.toString(), context.getStack(), error);
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}
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}
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}
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destroy() {
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if (this._disposed)
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return;
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this._disposed = true;
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this._lifetimeManager.destroy();
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}
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}
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