@dazejs/framework/src/supports/orm/relations/has-relations.abstract.ts

Daze.js - A powerful web framework for Node.js

import { Builder } from '../../database/builder';
import { Application } from '../../../foundation/application';
import { Container } from '../../../container';
import { ModelBuilder } from '../builder';
import { Model } from '../model';
import { Repository } from '../repository';

export abstract class HasRelations {
  /**
     * application
     */
  protected app: Application = Container.get('app');

  /**
     * 父模型
     */
  protected parent: Model;

  /**
     * 当前关联模型
     */
  protected model: Model;

  /**
     * 外键
     */
  protected foreignKey: string;

  /**
     * 关联主键
     */
  protected localKey: string;

  /**
     * 渴求式加载单个模型关联数据
     * @param result
     * @param relation
     */
  abstract eagerly(result: Repository, relation: string, queryCallback?: (query: ModelBuilder<any> & Builder) => void): Promise<void>
  /**
     * 渴求式加载多个模型关联数据
     * @param results
     * @param relation
     */
  abstract eagerlyMap(results: Repository[], relation: string, queryCallback?: (query: ModelBuilder<any> & Builder) => void): Promise<void>
}