166 lines
5.1 KiB
JavaScript
166 lines
5.1 KiB
JavaScript
"use strict";
|
|
var __defProp = Object.defineProperty;
|
|
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
|
|
var __hasOwnProp = Object.prototype.hasOwnProperty;
|
|
var __propIsEnum = Object.prototype.propertyIsEnumerable;
|
|
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
|
|
var __spreadValues = (a, b) => {
|
|
for (var prop in b || (b = {}))
|
|
if (__hasOwnProp.call(b, prop))
|
|
__defNormalProp(a, prop, b[prop]);
|
|
if (__getOwnPropSymbols)
|
|
for (var prop of __getOwnPropSymbols(b)) {
|
|
if (__propIsEnum.call(b, prop))
|
|
__defNormalProp(a, prop, b[prop]);
|
|
}
|
|
return a;
|
|
};
|
|
class Transaction {
|
|
constructor(sequelize, options) {
|
|
this.sequelize = sequelize;
|
|
this.savepoints = [];
|
|
this._afterCommitHooks = [];
|
|
const generateTransactionId = this.sequelize.dialect.queryGenerator.generateTransactionId;
|
|
this.options = __spreadValues({
|
|
type: sequelize.options.transactionType,
|
|
isolationLevel: sequelize.options.isolationLevel,
|
|
readOnly: false
|
|
}, options);
|
|
this.parent = this.options.transaction;
|
|
if (this.parent) {
|
|
this.id = this.parent.id;
|
|
this.parent.savepoints.push(this);
|
|
this.name = `${this.id}-sp-${this.parent.savepoints.length}`;
|
|
} else {
|
|
this.id = this.name = generateTransactionId();
|
|
}
|
|
delete this.options.transaction;
|
|
}
|
|
async commit() {
|
|
if (this.finished) {
|
|
throw new Error(`Transaction cannot be committed because it has been finished with state: ${this.finished}`);
|
|
}
|
|
try {
|
|
return await this.sequelize.getQueryInterface().commitTransaction(this, this.options);
|
|
} finally {
|
|
this.finished = "commit";
|
|
this.cleanup();
|
|
for (const hook of this._afterCommitHooks) {
|
|
await hook.apply(this, [this]);
|
|
}
|
|
}
|
|
}
|
|
async rollback() {
|
|
if (this.finished) {
|
|
throw new Error(`Transaction cannot be rolled back because it has been finished with state: ${this.finished}`);
|
|
}
|
|
if (!this.connection) {
|
|
throw new Error("Transaction cannot be rolled back because it never started");
|
|
}
|
|
try {
|
|
return await this.sequelize.getQueryInterface().rollbackTransaction(this, this.options);
|
|
} finally {
|
|
this.cleanup();
|
|
}
|
|
}
|
|
async prepareEnvironment(useCLS) {
|
|
let connectionPromise;
|
|
if (useCLS === void 0) {
|
|
useCLS = true;
|
|
}
|
|
if (this.parent) {
|
|
connectionPromise = Promise.resolve(this.parent.connection);
|
|
} else {
|
|
const acquireOptions = { uuid: this.id };
|
|
if (this.options.readOnly) {
|
|
acquireOptions.type = "SELECT";
|
|
}
|
|
connectionPromise = this.sequelize.connectionManager.getConnection(acquireOptions);
|
|
}
|
|
let result;
|
|
const connection = await connectionPromise;
|
|
this.connection = connection;
|
|
this.connection.uuid = this.id;
|
|
try {
|
|
await this.begin();
|
|
result = await this.setDeferrable();
|
|
} catch (setupErr) {
|
|
try {
|
|
result = await this.rollback();
|
|
} finally {
|
|
throw setupErr;
|
|
}
|
|
}
|
|
if (useCLS && this.sequelize.constructor._cls) {
|
|
this.sequelize.constructor._cls.set("transaction", this);
|
|
}
|
|
return result;
|
|
}
|
|
async setDeferrable() {
|
|
if (this.options.deferrable) {
|
|
return await this.sequelize.getQueryInterface().deferConstraints(this, this.options);
|
|
}
|
|
}
|
|
async begin() {
|
|
const queryInterface = this.sequelize.getQueryInterface();
|
|
if (this.sequelize.dialect.supports.settingIsolationLevelDuringTransaction) {
|
|
await queryInterface.startTransaction(this, this.options);
|
|
return queryInterface.setIsolationLevel(this, this.options.isolationLevel, this.options);
|
|
}
|
|
await queryInterface.setIsolationLevel(this, this.options.isolationLevel, this.options);
|
|
return queryInterface.startTransaction(this, this.options);
|
|
}
|
|
cleanup() {
|
|
if (this.parent || this.connection.uuid === void 0)
|
|
return;
|
|
this._clearCls();
|
|
const res = this.sequelize.connectionManager.releaseConnection(this.connection);
|
|
this.connection.uuid = void 0;
|
|
return res;
|
|
}
|
|
_clearCls() {
|
|
const cls = this.sequelize.constructor._cls;
|
|
if (cls) {
|
|
if (cls.get("transaction") === this) {
|
|
cls.set("transaction", null);
|
|
}
|
|
}
|
|
}
|
|
afterCommit(fn) {
|
|
if (!fn || typeof fn !== "function") {
|
|
throw new Error('"fn" must be a function');
|
|
}
|
|
this._afterCommitHooks.push(fn);
|
|
}
|
|
static get TYPES() {
|
|
return {
|
|
DEFERRED: "DEFERRED",
|
|
IMMEDIATE: "IMMEDIATE",
|
|
EXCLUSIVE: "EXCLUSIVE"
|
|
};
|
|
}
|
|
static get ISOLATION_LEVELS() {
|
|
return {
|
|
READ_UNCOMMITTED: "READ UNCOMMITTED",
|
|
READ_COMMITTED: "READ COMMITTED",
|
|
REPEATABLE_READ: "REPEATABLE READ",
|
|
SERIALIZABLE: "SERIALIZABLE"
|
|
};
|
|
}
|
|
static get LOCK() {
|
|
return {
|
|
UPDATE: "UPDATE",
|
|
SHARE: "SHARE",
|
|
KEY_SHARE: "KEY SHARE",
|
|
NO_KEY_UPDATE: "NO KEY UPDATE"
|
|
};
|
|
}
|
|
get LOCK() {
|
|
return Transaction.LOCK;
|
|
}
|
|
}
|
|
module.exports = Transaction;
|
|
module.exports.Transaction = Transaction;
|
|
module.exports.default = Transaction;
|
|
//# sourceMappingURL=transaction.js.map
|