0c166ab54c
Adds onApplicationBootstrap, beforeApplicationShutdown, and onApplicationShutdown hooks with signal support.
45 lines
1.4 KiB
TypeScript
45 lines
1.4 KiB
TypeScript
import type { Container } from "../container/Container";
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import type { ProviderToken } from "../container/types";
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/**
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* AlveoApplication is the main class representing an Alveo application instance.
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* It provides methods to interact with the dependency injection container and manage the application lifecycle.
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*/
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export class AlveoApplication {
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constructor(private readonly container: Container) {}
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/**
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* Retrieves an instance of a provider from the application container.
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*
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* @param token The provider token (Class, String, or Symbol)
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* @returns A promise resolving to the instance of the provider
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*/
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public async get<T>(token: ProviderToken<T>): Promise<T> {
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return this.container.get(token);
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}
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/**
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* Initializes the application by calling lifecycle hooks on all providers.
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* This is called automatically by AlveoFactory.create().
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*/
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public async init(): Promise<this> {
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await this.container.callLifecycleHook("onModuleInit");
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await this.container.callLifecycleHook("onApplicationBootstrap");
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return this;
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}
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/**
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* Gracefully shuts down the application by calling lifecycle hooks.
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*
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* @param signal The signal that triggered the shutdown
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*/
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public async close(signal?: string): Promise<void> {
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await this.container.callLifecycleHook("onModuleDestroy", signal);
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await this.container.callLifecycleHook(
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"beforeApplicationShutdown",
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signal,
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);
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await this.container.callLifecycleHook("onApplicationShutdown", signal);
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}
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}
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