@kephas/core
Version:
Provides a common infrastructure for all the other Kephas Framework components: ambient services, dynamic reflection, composition, application management, and others.
103 lines • 13.1 kB
JavaScript
import { ServiceError } from "./serviceError";
/**
* Enumerates the lifetime values for application services.
*
* @export
* @enum {number}
*/
export var AppServiceLifetime;
(function (AppServiceLifetime) {
/**
* The application service is shared (default).
*/
AppServiceLifetime[AppServiceLifetime["Singleton"] = 0] = "Singleton";
/**
* The application service in instantiated with every request.
*/
AppServiceLifetime[AppServiceLifetime["Transient"] = 1] = "Transient";
/**
* The application service is shared within a scope.
*/
AppServiceLifetime[AppServiceLifetime["Scoped"] = 2] = "Scoped";
})(AppServiceLifetime || (AppServiceLifetime = {}));
/**
* Provides information about the application service.
*
* @export
* @class AppServiceInfo
*/
export class AppServiceInfo {
/**
* Creates an instance of AppServiceInfo.
* @param {Type<T>} contractType The contract type.
* @param {*} contractToken The contract token.
* @param {boolean} [allowMultiple=false] Indicates whether multiple instances of the provided
* @param {AppServiceLifetime} [lifetime=AppServiceLifetime.Singleton] The application service lifetime.
* @memberof AppServiceInfo
*/
constructor({ contractType, contractToken, allowMultiple = false, lifetime = AppServiceLifetime.Singleton, ...args }) {
/**
* Gets a value indicating whether multiple services for this contract are allowed.
*
* @type {boolean}
* @memberof AppServiceInfo
*/
this.allowMultiple = false;
/**
* Gets the application service lifetime.
*
* @type {AppServiceLifetime}
* @memberof AppServiceInfo
*/
this.lifetime = AppServiceLifetime.Singleton;
this._services = [];
this.contractType = contractType;
this.contractToken = contractToken;
this.allowMultiple = allowMultiple;
this.lifetime = lifetime;
Object.assign(this, args);
}
/**
* Gets an iteration of registered services.
*
* @readonly
* @type {IterableIterator<AppServiceMetadata>}
* @memberof AppServiceInfo
*/
get services() {
return this._services.values();
}
/**
* Registers a service implementation for this contract.
*
* @template T The service implementation type.
* @param {AppServiceMetadata<T>} service
* @returns {(boolean | ServiceError | AppServiceMetadata<any>)}
* True, if the service was registered successfully.
* False, if the service was not registered due to a higher override priority service already registered.
* ServiceError, if a service is already registered with the same override priority.
* AppServiceMetadata<any>, if the service to register overrid an existing one. The overridden service is returned.
* @memberof AppServiceInfo
*/
registerService(service) {
if (this.allowMultiple) {
this._services.push(service);
return true;
}
if (this._services.length > 0) {
if (this._services[0].overridePriority > service.overridePriority) {
const overridden = this._services[0];
this._services[0] = service;
return overridden;
}
if (this._services[0].overridePriority === service.overridePriority) {
const firstServiceType = this._services[0].serviceType;
return new ServiceError(`Multiple services registered with the same override priority '${service.overridePriority}' as singleton: '${firstServiceType && firstServiceType.name}' and '${service.serviceType && service.serviceType.name}'.`);
}
return false;
}
this._services.push(service);
return true;
}
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"appServiceInfo.js","sourceRoot":"","sources":["../../../../../../projects/kephas/core/src/lib/services/appServiceInfo.ts"],"names":[],"mappings":"AAGA,OAAO,EAAE,YAAY,EAAE,MAAM,gBAAgB,CAAC;AAE9C;;;;;GAKG;AACH,MAAM,CAAN,IAAY,kBAeX;AAfD,WAAY,kBAAkB;IAC1B;;OAEG;IACH,qEAAS,CAAA;IAET;;OAEG;IACH,qEAAS,CAAA;IAET;;OAEG;IACH,+DAAM,CAAA;AACV,CAAC,EAfW,kBAAkB,KAAlB,kBAAkB,QAe7B;AAED;;;;;GAKG;AACH,MAAM,OAAO,cAAc;IA8CvB;;;;;;;OAOG;IACH,YACI,EACI,YAAY,EACZ,aAAa,EACb,aAAa,GAAG,KAAK,EACrB,QAAQ,GAAG,kBAAkB,CAAC,SAAS,EACvC,GAAG,IAAI,EAOV;QAlEL;;;;;WAKG;QACa,kBAAa,GAAY,KAAK,CAAC;QAE/C;;;;;WAKG;QACa,aAAQ,GAAuB,kBAAkB,CAAC,SAAS,CAAC;QA6BpE,cAAS,GAA8B,EAAE,CAAC;QAwB9C,IAAI,CAAC,YAAY,GAAG,YAAY,CAAC;QACjC,IAAI,CAAC,aAAa,GAAG,aAAa,CAAC;QACnC,IAAI,CAAC,aAAa,GAAG,aAAa,CAAC;QACnC,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,MAAM,CAAC,MAAM,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;IAC9B,CAAC;IAxCD;;;;;;OAMG;IACH,IAAW,QAAQ;QACf,OAAO,IAAI,CAAC,SAAS,CAAC,MAAM,EAAE,CAAC;IACnC,CAAC;IAiCD;;;;;;;;;;;OAWG;IACK,eAAe,CAAI,OAA8B;QACrD,IAAI,IAAI,CAAC,aAAa,EAAE;YACpB,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;YAC7B,OAAO,IAAI,CAAC;SACf;QAED,IAAI,IAAI,CAAC,SAAS,CAAC,MAAM,GAAG,CAAC,EAAE;YAC3B,IAAI,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,gBAAgB,GAAG,OAAO,CAAC,gBAAgB,EAAE;gBAC/D,MAAM,UAAU,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC;gBACrC,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,OAAO,CAAC;gBAC5B,OAAO,UAAU,CAAC;aACrB;YAED,IAAI,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,gBAAgB,KAAK,OAAO,CAAC,gBAAgB,EAAE;gBACjE,MAAM,gBAAgB,GAAG,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,WAAW,CAAC;gBACvD,OAAO,IAAI,YAAY,CAAC,iEAAiE,OAAO,CAAC,gBAAgB,oBAAoB,gBAAgB,IAAI,gBAAgB,CAAC,IAAI,UAAU,OAAO,CAAC,WAAW,IAAI,OAAO,CAAC,WAAW,CAAC,IAAI,IAAI,CAAC,CAAC;aAChP;YAED,OAAO,KAAK,CAAC;SAChB;QAED,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;QAC7B,OAAO,IAAI,CAAC;IAChB,CAAC;CACJ","sourcesContent":["import { Expando } from \"../expando\";\r\nimport { AbstractType } from \"../type\";\r\nimport { AppServiceMetadata } from \"./appServiceMetadata\";\r\nimport { ServiceError } from \"./serviceError\";\r\n\r\n/**\r\n * Enumerates the lifetime values for application services.\r\n *\r\n * @export\r\n * @enum {number}\r\n */\r\nexport enum AppServiceLifetime {\r\n    /**\r\n     * The application service is shared (default).\r\n     */\r\n    Singleton,\r\n\r\n    /**\r\n     * The application service in instantiated with every request.\r\n     */\r\n    Transient,\r\n\r\n    /**\r\n     * The application service is shared within a scope.\r\n     */\r\n    Scoped,\r\n}\r\n\r\n/**\r\n * Provides information about the application service.\r\n *\r\n * @export\r\n * @class AppServiceInfo\r\n */\r\nexport class AppServiceInfo implements Expando {\r\n    /**\r\n     * Gets a value indicating whether multiple services for this contract are allowed.\r\n     *\r\n     * @type {boolean}\r\n     * @memberof AppServiceInfo\r\n     */\r\n    public readonly allowMultiple: boolean = false;\r\n\r\n    /**\r\n     * Gets the application service lifetime.\r\n     *\r\n     * @type {AppServiceLifetime}\r\n     * @memberof AppServiceInfo\r\n     */\r\n    public readonly lifetime: AppServiceLifetime = AppServiceLifetime.Singleton;\r\n\r\n    /**\r\n     * Gets the contract type of the service.\r\n     *\r\n     * @type {AbstractType}\r\n     * @memberof AppServiceInfo\r\n     */\r\n    public readonly contractType: AbstractType;\r\n\r\n    /**\r\n     * Gets the contract token of the service.\r\n     *\r\n     * @type {*}\r\n     * @memberof AppServiceInfo\r\n     */\r\n    public readonly contractToken: any;\r\n\r\n    /**\r\n     * Gets an iteration of registered services.\r\n     *\r\n     * @readonly\r\n     * @type {IterableIterator<AppServiceMetadata>}\r\n     * @memberof AppServiceInfo\r\n     */\r\n    public get services(): IterableIterator<AppServiceMetadata<any>> {\r\n        return this._services.values();\r\n    }\r\n\r\n    private _services: AppServiceMetadata<any>[] = [];\r\n\r\n    /**\r\n     * Creates an instance of AppServiceInfo.\r\n     * @param {Type<T>} contractType The contract type.\r\n     * @param {*} contractToken The contract token.\r\n     * @param {boolean} [allowMultiple=false] Indicates whether multiple instances of the provided\r\n     * @param {AppServiceLifetime} [lifetime=AppServiceLifetime.Singleton] The application service lifetime.\r\n     * @memberof AppServiceInfo\r\n     */\r\n    constructor(\r\n        {\r\n            contractType,\r\n            contractToken,\r\n            allowMultiple = false,\r\n            lifetime = AppServiceLifetime.Singleton,\r\n            ...args\r\n        }: {\r\n            contractType: AbstractType;\r\n            contractToken?: any;\r\n            allowMultiple?: boolean;\r\n            lifetime?: AppServiceLifetime;\r\n            [key: string]: any;\r\n        }) {\r\n        this.contractType = contractType;\r\n        this.contractToken = contractToken;\r\n        this.allowMultiple = allowMultiple;\r\n        this.lifetime = lifetime;\r\n        Object.assign(this, args);\r\n    }\r\n\r\n    /**\r\n     * Registers a service implementation for this contract.\r\n     *\r\n     * @template T The service implementation type.\r\n     * @param {AppServiceMetadata<T>} service\r\n     * @returns {(boolean | ServiceError | AppServiceMetadata<any>)}\r\n     * True, if the service was registered successfully.\r\n     * False, if the service was not registered due to a higher override priority service already registered.\r\n     * ServiceError, if a service is already registered with the same override priority.\r\n     * AppServiceMetadata<any>, if the service to register overrid an existing one. The overridden service is returned.\r\n     * @memberof AppServiceInfo\r\n     */\r\n    private registerService<T>(service: AppServiceMetadata<T>): boolean | ServiceError | AppServiceMetadata<any> {\r\n        if (this.allowMultiple) {\r\n            this._services.push(service);\r\n            return true;\r\n        }\r\n\r\n        if (this._services.length > 0) {\r\n            if (this._services[0].overridePriority > service.overridePriority) {\r\n                const overridden = this._services[0];\r\n                this._services[0] = service;\r\n                return overridden;\r\n            }\r\n\r\n            if (this._services[0].overridePriority === service.overridePriority) {\r\n                const firstServiceType = this._services[0].serviceType;\r\n                return new ServiceError(`Multiple services registered with the same override priority '${service.overridePriority}' as singleton: '${firstServiceType && firstServiceType.name}' and '${service.serviceType && service.serviceType.name}'.`);\r\n            }\r\n\r\n            return false;\r\n        }\r\n\r\n        this._services.push(service);\r\n        return true;\r\n    }\r\n}\r\n"]}