@ultipa-graph/ultipa-node-sdk/dist/transaction/UltipaTransactionSession.js

NodeJS SDK for ultipa-server 4.0

"use strict";
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());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.UltipaTransactionSession = void 0;
const UltipaTransaction_1 = require("./UltipaTransaction");
const fastq_1 = __importDefault(require("fastq"));
function worker(arg) {
    return __awaiter(this, void 0, void 0, function* () {
        yield arg.cb();
    });
}
class UltipaTransactionSession {
    constructor(conn) {
        this.taskIndex = 0;
        this.conn = conn;
        this.queue = fastq_1.default.promise(worker, 1);
    }
    exec(cb) {
        return __awaiter(this, void 0, void 0, function* () {
            return this.queue.push({
                id: this.taskIndex++,
                cb: () => __awaiter(this, void 0, void 0, function* () {
                    let txn = new UltipaTransaction_1.UltipaTransaction(this.conn, this);
                    yield cb(txn);
                    if (txn.status != UltipaTransaction_1.TransactionStatus.Committed) {
                        yield txn.rollback("rollback without commit and close int the end");
                    }
                    yield txn.close();
                }),
            }).catch((err) => console.error(err));
        });
    }
}
exports.UltipaTransactionSession = UltipaTransactionSession;
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