146 lines
3.3 KiB
TypeScript
146 lines
3.3 KiB
TypeScript
import { ServiceRegistry, ServiceIds } from './ServiceRegistry'
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import type { IServiceContainer } from './IServiceContainer'
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import { initializePendingServices } from './decorators'
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/**
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* 服务提供者
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* 提供静态方法访问所有系统服务
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*/
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export class ServiceProvider {
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private static container: IServiceContainer | null = null
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private static initialized = false
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/**
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* 初始化服务提供者
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* 注册并初始化所有服务
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*/
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public static initialize(): void {
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if (this.initialized) {
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return
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}
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const registry = ServiceRegistry.getInstance()
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registry.registerAllServices()
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this.container = registry.getContainer()
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this.container.initialize()
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// 初始化所有使用@Service装饰器的服务
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initializePendingServices()
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this.initialized = true
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}
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/**
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* 获取服务实例
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* @param id 服务ID
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* @returns 服务实例
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*/
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public static getService<T>(id: string): T {
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if (!this.container) {
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throw new Error('服务提供者尚未初始化')
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}
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return this.container.getService<T>(id)
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}
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/**
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* 获取资源服务
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*/
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public static getResourceService(): any {
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return this.getService(ServiceIds.RESOURCE_SERVICE)
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}
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/**
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* 获取窗口表单服务
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*/
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public static getWindowFormService(): any {
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return this.getService(ServiceIds.WINDOW_FORM_SERVICE)
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}
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/**
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* 获取沙箱引擎
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*/
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public static getSandboxEngine(): any {
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return this.getService(ServiceIds.SANDBOX_ENGINE)
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}
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/**
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* 获取生命周期管理器
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*/
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public static getLifecycleManager(): any {
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return this.getService(ServiceIds.LIFECYCLE_MANAGER)
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}
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/**
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* 获取系统服务
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*/
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public static getSystemService(): any {
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return this.getService(ServiceIds.SYSTEM_SERVICE)
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}
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/**
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* 获取事件构建器
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*/
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public static getEventBuilder(): any {
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return this.getService(ServiceIds.EVENT_BUILDER)
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}
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/**
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* 获取外部应用发现服务
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*/
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public static getExternalAppDiscovery(): any {
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return this.getService(ServiceIds.EXTERNAL_APP_DISCOVERY)
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}
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/**
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* 获取错误处理服务
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*/
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public static getErrorHandler(): any {
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return this.getService(ServiceIds.ERROR_HANDLER)
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}
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/**
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* 检查是否已初始化
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*/
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public static isInitialized(): boolean {
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return this.initialized
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}
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/**
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* 获取服务容器（仅用于高级场景）
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*/
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public static getContainer(): IServiceContainer | null {
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return this.container
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}
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}
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/**
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* 创建服务工厂函数
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* @param constructor 服务构造函数
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* @param dependencyIds 依赖的服务ID数组
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* @returns 服务工厂函数
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*/
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export function createServiceFactory<T>(
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constructor: new (...args: any[]) => T,
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dependencyIds: string[] = []
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): (container: IServiceContainer) => T {
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return (container: IServiceContainer) => {
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const dependencies = dependencyIds.map((id) => container.getService(id))
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return new constructor(...dependencies)
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}
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}
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/**
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* 服务装饰器，用于标记需要注入的服务
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*/
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export function Inject(serviceId: string): PropertyDecorator {
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return (target: Object, propertyKey: string | symbol) => {
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const descriptor = {
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get: () => {
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return ServiceProvider.getService(serviceId)
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}
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}
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Object.defineProperty(target, propertyKey, descriptor)
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}
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}
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