access-db
Version:
[统一数据库的连接]Unified access to all kinds of databases
51 lines (50 loc) • 2.15 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const dbMongodb_1 = require("../utils/dbMongodb");
function fetchTransaction() {
return new Promise((resolve_all, reject_all) => __awaiter(this, void 0, void 0, function* () {
const { client, db } = yield (0, dbMongodb_1.mongodbCollection)();
if (!client)
return;
const session = client.startSession();
// 开始事务
const begin = (callback) => {
return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
try {
yield session.withTransaction(() => __awaiter(this, void 0, void 0, function* () {
yield callback(session);
resolve(true);
}));
}
catch (err) {
reject(err);
}
finally {
yield session.endSession();
yield client.close();
}
}));
};
// 回滚事务
const rollback = () => {
return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
yield session.abortTransaction();
resolve(true);
}));
};
resolve_all({
begin,
rollback
});
}));
}
exports.default = fetchTransaction;