@ticatec/node-common-library/lib/db/DBManager.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 logger = log4js_1.default.getLogger('DBManager');
class DBManager {
    constructor(factory) {
        this.factory = factory;
    }
    /**
     * 初始化数据库管理器
     * @param factory - 数据库连接工厂
     * @returns 数据库管理器实例
     */
    static init(factory) {
        logger.debug('初始化数据库管理工厂', factory);
        if (global.DBManagerInstance == null) {
            global.DBManagerInstance = new DBManager(factory);
        }
        return global.DBManagerInstance;
    }
    /**
     * 获取数据库管理器实例
     * @returns 数据库管理器实例
     */
    static getInstance() {
        return global.DBManagerInstance;
    }
    /**
     * 获取数据库连接
     * @returns Promise返回数据库连接对象
     */
    async connect() {
        return await this.factory.createDBConnection();
    }
}
exports.default = DBManager;
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