innomize-typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
180 lines (178 loc) • 11.8 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var MustBeEntityError_1 = require("../error/MustBeEntityError");
var SubjectExecutor_1 = require("./SubjectExecutor");
var CannotDetermineEntityError_1 = require("../error/CannotDetermineEntityError");
var Subject_1 = require("./Subject");
var OneToManySubjectBuilder_1 = require("./subject-builder/OneToManySubjectBuilder");
var OneToOneInverseSideSubjectBuilder_1 = require("./subject-builder/OneToOneInverseSideSubjectBuilder");
var ManyToManySubjectBuilder_1 = require("./subject-builder/ManyToManySubjectBuilder");
var SubjectDatabaseEntityLoader_1 = require("./SubjectDatabaseEntityLoader");
var CascadesSubjectBuilder_1 = require("./subject-builder/CascadesSubjectBuilder");
var OrmUtils_1 = require("../util/OrmUtils");
var PromiseUtils_1 = require("../util/PromiseUtils");
/**
* Persists a single entity or multiple entities - saves or removes them.
*/
var EntityPersistExecutor = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function EntityPersistExecutor(connection, queryRunner, mode, target, entity, options) {
this.connection = connection;
this.queryRunner = queryRunner;
this.mode = mode;
this.target = target;
this.entity = entity;
this.options = options;
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Executes persistence operation ob given entity or entities.
*/
EntityPersistExecutor.prototype.execute = function () {
var _this = this;
// check if entity we are going to save is valid and is an object
if (!this.entity || !(this.entity instanceof Object))
return Promise.reject(new MustBeEntityError_1.MustBeEntityError(this.mode, this.entity));
// we MUST call "fake" resolve here to make sure all properties of lazily loaded relations are resolved
return Promise.resolve().then(function () { return tslib_1.__awaiter(_this, void 0, void 0, function () {
var queryRunner, entities, entitiesInChunks, executors, executorsWithExecutableOperations, isTransactionStartedByUs, error_1, rollbackError_1;
var _this = this;
return tslib_1.__generator(this, function (_a) {
switch (_a.label) {
case 0:
queryRunner = this.queryRunner || this.connection.createQueryRunner("master");
// save data in the query runner - this is useful functionality to share data from outside of the world
// with third classes - like subscribers and listener methods
if (this.options && this.options.data)
queryRunner.data = this.options.data;
_a.label = 1;
case 1:
_a.trys.push([1, , 15, 18]);
entities = this.entity instanceof Array ? this.entity : [this.entity];
entitiesInChunks = this.options && this.options.chunk && this.options.chunk > 0 ? OrmUtils_1.OrmUtils.chunk(entities, this.options.chunk) : [entities];
return [4 /*yield*/, Promise.all(entitiesInChunks.map(function (entities) { return tslib_1.__awaiter(_this, void 0, void 0, function () {
var subjects, cascadesSubjectBuilder;
var _this = this;
return tslib_1.__generator(this, function (_a) {
switch (_a.label) {
case 0:
subjects = [];
// create subjects for all entities we received for the persistence
entities.forEach(function (entity) {
var entityTarget = _this.target ? _this.target : entity.constructor;
if (entityTarget === Object)
throw new CannotDetermineEntityError_1.CannotDetermineEntityError(_this.mode);
subjects.push(new Subject_1.Subject({
metadata: _this.connection.getMetadata(entityTarget),
entity: entity,
canBeInserted: _this.mode === "save",
canBeUpdated: _this.mode === "save",
mustBeRemoved: _this.mode === "remove"
}));
});
cascadesSubjectBuilder = new CascadesSubjectBuilder_1.CascadesSubjectBuilder(subjects);
subjects.forEach(function (subject) {
// next step we build list of subjects we will operate with
// these subjects are subjects that we need to insert or update alongside with main persisted entity
cascadesSubjectBuilder.build(subject);
});
// console.timeEnd("building cascades...");
// load database entities for all subjects we have
// next step is to load database entities for all operate subjects
// console.time("loading...");
return [4 /*yield*/, new SubjectDatabaseEntityLoader_1.SubjectDatabaseEntityLoader(queryRunner, subjects).load(this.mode)];
case 1:
// console.timeEnd("building cascades...");
// load database entities for all subjects we have
// next step is to load database entities for all operate subjects
// console.time("loading...");
_a.sent();
// console.timeEnd("loading...");
// console.time("other subjects...");
// build all related subjects and change maps
if (this.mode === "save") {
new OneToManySubjectBuilder_1.OneToManySubjectBuilder(subjects).build();
new OneToOneInverseSideSubjectBuilder_1.OneToOneInverseSideSubjectBuilder(subjects).build();
new ManyToManySubjectBuilder_1.ManyToManySubjectBuilder(subjects).build();
}
else {
subjects.forEach(function (subject) {
if (subject.mustBeRemoved) {
new ManyToManySubjectBuilder_1.ManyToManySubjectBuilder(subjects).buildForAllRemoval(subject);
}
});
}
// console.timeEnd("other subjects...");
// console.timeEnd("building subjects...");
// console.log("subjects", subjects);
// create a subject executor
return [2 /*return*/, new SubjectExecutor_1.SubjectExecutor(queryRunner, subjects, this.options)];
}
});
}); }))];
case 2:
executors = _a.sent();
executorsWithExecutableOperations = executors.filter(function (executor) { return executor.hasExecutableOperations; });
if (executorsWithExecutableOperations.length === 0)
return [2 /*return*/];
isTransactionStartedByUs = false;
_a.label = 3;
case 3:
_a.trys.push([3, 9, , 14]);
if (!!queryRunner.isTransactionActive) return [3 /*break*/, 5];
if (!(!this.options || this.options.transaction !== false)) return [3 /*break*/, 5];
isTransactionStartedByUs = true;
return [4 /*yield*/, queryRunner.startTransaction()];
case 4:
_a.sent();
_a.label = 5;
case 5:
// execute all persistence operations for all entities we have
// console.time("executing subject executors...");
return [4 /*yield*/, PromiseUtils_1.PromiseUtils.runInSequence(executorsWithExecutableOperations, function (executor) { return executor.execute(); })];
case 6:
// execute all persistence operations for all entities we have
// console.time("executing subject executors...");
_a.sent();
if (!(isTransactionStartedByUs === true)) return [3 /*break*/, 8];
return [4 /*yield*/, queryRunner.commitTransaction()];
case 7:
_a.sent();
_a.label = 8;
case 8: return [3 /*break*/, 14];
case 9:
error_1 = _a.sent();
if (!isTransactionStartedByUs) return [3 /*break*/, 13];
_a.label = 10;
case 10:
_a.trys.push([10, 12, , 13]);
return [4 /*yield*/, queryRunner.rollbackTransaction()];
case 11:
_a.sent();
return [3 /*break*/, 13];
case 12:
rollbackError_1 = _a.sent();
return [3 /*break*/, 13];
case 13: throw error_1;
case 14: return [3 /*break*/, 18];
case 15:
if (!!this.queryRunner) return [3 /*break*/, 17];
return [4 /*yield*/, queryRunner.release()];
case 16:
_a.sent();
_a.label = 17;
case 17: return [7 /*endfinally*/];
case 18: return [2 /*return*/];
}
});
}); });
};
return EntityPersistExecutor;
}());
exports.EntityPersistExecutor = EntityPersistExecutor;
//# sourceMappingURL=EntityPersistExecutor.js.map