190 lines
7.1 KiB
JavaScript
190 lines
7.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.AsyncContext = void 0;
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var tslib_1 = require("tslib");
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var assert_1 = tslib_1.__importDefault(require("assert"));
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var AsyncContext = /** @class */ (function () {
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function AsyncContext(store, headers) {
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this.rowStore = store;
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this.opRecords = [];
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this.events = {
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commit: [],
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rollback: [],
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};
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if (headers) {
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this.headers = headers;
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}
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}
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AsyncContext.prototype.setHeaders = function (headers) {
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this.headers = headers;
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};
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AsyncContext.prototype.getHeader = function (key) {
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if (this.headers) {
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return this.headers[key];
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}
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};
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AsyncContext.prototype.getScene = function () {
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return this.scene;
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};
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AsyncContext.prototype.setScene = function (scene) {
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this.scene = scene;
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};
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AsyncContext.prototype.resetEvents = function () {
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this.events = {
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commit: [],
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rollback: [],
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};
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};
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AsyncContext.prototype.on = function (event, callback) {
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this.uuid && this.events[event].push(callback);
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};
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/**
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* 一个context中不应该有并发的事务，这里将事务串行化，使用的时候千万要注意不要自己等自己
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* @param options
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*/
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AsyncContext.prototype.begin = function (options) {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var _a;
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return tslib_1.__generator(this, function (_b) {
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switch (_b.label) {
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case 0:
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if (!!this.uuid) return [3 /*break*/, 2];
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_a = this;
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return [4 /*yield*/, this.rowStore.begin(options)];
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case 1:
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_a.uuid = _b.sent();
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return [3 /*break*/, 3];
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case 2:
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(0, assert_1.default)(false);
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_b.label = 3;
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case 3: return [2 /*return*/];
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}
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});
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});
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};
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AsyncContext.prototype.commit = function () {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var _a, _b, e, e_1_1;
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var e_1, _c;
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return tslib_1.__generator(this, function (_d) {
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switch (_d.label) {
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case 0:
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if (!this.uuid) return [3 /*break*/, 10];
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return [4 /*yield*/, this.rowStore.commit(this.uuid)];
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case 1:
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_d.sent();
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this.uuid = undefined;
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_d.label = 2;
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case 2:
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_d.trys.push([2, 7, 8, 9]);
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_a = tslib_1.__values(this.events.commit), _b = _a.next();
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_d.label = 3;
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case 3:
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if (!!_b.done) return [3 /*break*/, 6];
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e = _b.value;
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return [4 /*yield*/, e()];
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case 4:
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_d.sent();
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_d.label = 5;
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case 5:
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_b = _a.next();
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return [3 /*break*/, 3];
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case 6: return [3 /*break*/, 9];
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case 7:
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e_1_1 = _d.sent();
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e_1 = { error: e_1_1 };
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return [3 /*break*/, 9];
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case 8:
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try {
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if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
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}
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finally { if (e_1) throw e_1.error; }
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return [7 /*endfinally*/];
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case 9:
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this.resetEvents();
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_d.label = 10;
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case 10: return [2 /*return*/];
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}
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});
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});
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};
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AsyncContext.prototype.rollback = function () {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var _a, _b, e, e_2_1;
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var e_2, _c;
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return tslib_1.__generator(this, function (_d) {
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switch (_d.label) {
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case 0:
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if (!this.uuid) return [3 /*break*/, 10];
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return [4 /*yield*/, this.rowStore.rollback(this.uuid)];
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case 1:
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_d.sent();
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// console.log('rollback', this.uuid);
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this.uuid = undefined;
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_d.label = 2;
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case 2:
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_d.trys.push([2, 7, 8, 9]);
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_a = tslib_1.__values(this.events.rollback), _b = _a.next();
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_d.label = 3;
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case 3:
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if (!!_b.done) return [3 /*break*/, 6];
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e = _b.value;
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return [4 /*yield*/, e()];
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case 4:
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_d.sent();
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_d.label = 5;
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case 5:
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_b = _a.next();
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return [3 /*break*/, 3];
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case 6: return [3 /*break*/, 9];
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case 7:
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e_2_1 = _d.sent();
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e_2 = { error: e_2_1 };
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return [3 /*break*/, 9];
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case 8:
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try {
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if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
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}
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finally { if (e_2) throw e_2.error; }
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return [7 /*endfinally*/];
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case 9:
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this.resetEvents();
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_d.label = 10;
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case 10: return [2 /*return*/];
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}
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});
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});
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};
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AsyncContext.prototype.operate = function (entity, operation, option) {
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return this.rowStore.operate(entity, operation, this, option);
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};
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AsyncContext.prototype.select = function (entity, selection, option) {
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return this.rowStore.select(entity, selection, this, option);
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};
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AsyncContext.prototype.aggregate = function (entity, aggregation, option) {
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return this.rowStore.aggregate(entity, aggregation, this, option);
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};
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AsyncContext.prototype.count = function (entity, selection, option) {
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return this.rowStore.count(entity, selection, this, option);
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};
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AsyncContext.prototype.mergeMultipleResults = function (toBeMerged) {
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return this.rowStore.mergeMultipleResults(toBeMerged);
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};
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AsyncContext.prototype.getCurrentTxnId = function () {
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return this.uuid;
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};
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AsyncContext.prototype.getSchema = function () {
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return this.rowStore.getSchema();
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};
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AsyncContext.prototype.setMessage = function (message) {
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this.message = message;
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};
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AsyncContext.prototype.getMessage = function () {
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return this.message;
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};
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return AsyncContext;
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}());
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exports.AsyncContext = AsyncContext;
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;
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;
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