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event-publisher.abstract.ts
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event-publisher.abstract.ts
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/*
* This file is part of the @sofkau/ddd package.
*
* (c) Sofka Technologies
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
import { Observable } from 'rxjs';
import { IEventPublisher } from '../';
/**
* Abstract class representing a event publisher
*
* @export
* @abstract
* @class EventPublisherAbstract
* @implements {IEventPublisher}
* @template Response - Type of response
*
* @example
* ```typescript
* import { EventPublisherAbstract } from '@sofka/ddd';
* import { from, Observable } from 'rxjs';
*
* class UsuarioCreadoEventPublisher<
* Response = UsuarioEntity,
* > extends EventPublisherAbstract<Response> {
* constructor(private readonly proxy: ClientProxy) {
* super(proxy as unknown as IEventPublisher);
* }
*
* publish<Result = any>(): Observable<Result> {
* return this.emit(
* 'usuario_creado',
* JSON.stringify({ data: this.response }),
* );
* }
*
* emit<Result = any, Input = UsuarioEntity>(
* pattern: any,
* data: Input,
* ): Observable<Result> {
* return from(this.proxy.emit(pattern, data));
* }
* }
* ```
*
* @since 1.0.0
* @version 1.0.0
* @license MIT
* @author Julian Andres Lasso Figueroa <julian.lasso@sofka.com.co>
*
* MIT License
*
* Copyright (c) 2023 Sofka Technologies
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
export abstract class EventPublisherAbstract<Response>
implements IEventPublisher
{
/**
* Response of the event publisher
*
* @private
* @type {(Response | Response[])}
* @memberof EventPublisherAbstract
*/
private _response!: Response | Response[];
/**
* Creates an instance of EventPublisherAbstract
*
* @param {IEventPublisher} eventPublisher - Event publisher
* @memberof EventPublisherAbstract
*/
constructor(private readonly eventPublisher: IEventPublisher) {}
/**
* Returns the response of the event publisher
*
* @type {(Response | Response[])}
* @memberof EventPublisherAbstract
*/
get response(): Response | Response[] {
return this._response;
}
/**
* Sets the response of the event publisher
*
* @memberof EventPublisherAbstract
*/
set response(value: Response | Response[]) {
this._response = value;
}
/**
* Emits an event
*
* @template Result - Type of response
* @template Input - Type of input
* @param {*} pattern - Pattern of the event
* @param {Input} data - Data of the event
* @return {*} {Observable<Result>} - Response of the event
* @memberof EventPublisherAbstract
*/
emit<Result = any, Input = Response>(
pattern: any,
data: Input
): Observable<Result> {
return this.eventPublisher.emit(pattern, data);
}
/**
* Publishes an event
*
* @abstract
* @template Result - Type of response
* @return {*} {Observable<Result>} - Response of the event
* @memberof EventPublisherAbstract
*/
abstract publish<Result = any>(): Observable<Result>;
}