@ticatec/node-common-library/lib/Beans.js

A comprehensive Node.js database access framework providing robust abstractions for database connection management, SQL execution, transaction handling, pagination, and dynamic query building.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const log4js_1 = __importDefault(require("log4js"));
const BeanFactory_1 = __importDefault(require("./BeanFactory"));
const Scope_1 = require("./Scope");
class Beans {
    constructor() {
        this._types = {};
        this.logger = log4js_1.default.getLogger('Beans');
    }
    /**
     * 获取Beans的单例实例
     * @static
     * @returns Beans单例对象
     */
    static getInstance() {
        if (Beans.instance == null) {
            Beans.instance = new Beans();
        }
        return Beans.instance;
    }
    /**
     * 注册一个Bean类型
     * @param name - Bean的名称
     * @param loader - Bean的加载器函数
     * @param scope - Bean的作用域，默认为单例模式
     */
    register(name, loader, scope = Scope_1.Scope.Singleton) {
        this.logger.debug(`注册类型${name}`);
        this._types[name] = { loader, scope };
    }
    /**
     * 加载所有注册的Bean类型到BeanFactory中
     * @returns Promise完成加载操作
     */
    async load() {
        this.logger.debug('引入注册类型', this._types);
        for (let t in this._types) {
            let v = this._types[t];
            if (v.loader != null) {
                let classLoader = (await v.loader()).default;
                BeanFactory_1.default.register(t, classLoader, v.scope);
            }
        }
    }
}
exports.default = Beans;
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