text: "use strict";
  var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
      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) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
          step((generator = generator.apply(thisArg, _arguments || [])).next());
      });
  };
  var __generator = (this && this.__generator) || function (thisArg, body) {
      var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
      return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
      function verb(n) { return function (v) { return step([n, v]); }; }
      function step(op) {
          if (f) throw new TypeError("Generator is already executing.");
          while (_) try {
              if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
              if (y = 0, t) op = [0, t.value];
              switch (op[0]) {
                  case 0: case 1: t = op; break;
                  case 4: _.label++; return { value: op[1], done: false };
                  case 5: _.label++; y = op[1]; op = [0]; continue;
                  case 7: op = _.ops.pop(); _.trys.pop(); continue;
                  default:
                      if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                      if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                      if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                      if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                      if (t[2]) _.ops.pop();
                      _.trys.pop(); continue;
              }
              op = body.call(thisArg, _);
          } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
          if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
      }
  };
  Object.defineProperty(exports, "__esModule", { value: true });
  var QueryRunnerProviderAlreadyReleasedError_1 = require("../error/QueryRunnerProviderAlreadyReleasedError");
  var NoNeedToReleaseEntityManagerError_1 = require("../error/NoNeedToReleaseEntityManagerError");
  var TreeRepository_1 = require("../repository/TreeRepository");
  var Repository_1 = require("../repository/Repository");
  var FindOptionsUtils_1 = require("../find-options/FindOptionsUtils");
  var SubjectBuilder_1 = require("../persistence/SubjectBuilder");
  var SubjectOperationExecutor_1 = require("../persistence/SubjectOperationExecutor");
  var PlainObjectToNewEntityTransformer_1 = require("../query-builder/transformer/PlainObjectToNewEntityTransformer");
  var PlainObjectToDatabaseEntityTransformer_1 = require("../query-builder/transformer/PlainObjectToDatabaseEntityTransformer");
  var CustomRepositoryNotFoundError_1 = require("../error/CustomRepositoryNotFoundError");
  var index_1 = require("../index");
  var AbstractRepository_1 = require("../repository/AbstractRepository");
  var CustomRepositoryCannotInheritRepositoryError_1 = require("../error/CustomRepositoryCannotInheritRepositoryError");
  var MongoDriver_1 = require("../driver/mongodb/MongoDriver");
  var RepositoryNotFoundError_1 = require("../error/RepositoryNotFoundError");
  var RepositoryNotTreeError_1 = require("../error/RepositoryNotTreeError");
  var RepositoryFactory_1 = require("../repository/RepositoryFactory");
  var TreeRepositoryNotSupportedError_1 = require("../error/TreeRepositoryNotSupportedError");
  /**
   * Entity manager supposed to work with any entity, automatically find its repository and call its methods,
   * whatever entity type are you passing.
   */
  var EntityManager = /** @class */ (function () {
      // -------------------------------------------------------------------------
      // Constructor
      // -------------------------------------------------------------------------
      function EntityManager(connection, queryRunner) {
          // -------------------------------------------------------------------------
          // Protected Properties
          // -------------------------------------------------------------------------
          /**
           * Once created and then reused by en repositories.
           */
          this.repositories = [];
          this.connection = connection;
          if (queryRunner) {
              this.queryRunner = queryRunner;
              // dynamic: this.queryRunner = manager;
              Object.assign(this.queryRunner, { manager: this });
          }
      }
      // -------------------------------------------------------------------------
      // Public Methods
      // -------------------------------------------------------------------------
      /**
       * Wraps given function execution (and all operations made there) in a transaction.
       * All database operations must be executed using provided entity manager.
       */
      EntityManager.prototype.transaction = function (runInTransaction) {
          return __awaiter(this, void 0, void 0, function () {
              var usedQueryRunner, transactionEntityManager, result, err_1, rollbackError_1;
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0:
                          if (this.connection.driver instanceof MongoDriver_1.MongoDriver)
                              throw new Error("Transactions aren't supported by MongoDB.");
                          if (this.queryRunner && this.queryRunner.isReleased)
                              throw new QueryRunnerProviderAlreadyReleasedError_1.QueryRunnerProviderAlreadyReleasedError();
                          if (this.queryRunner && this.queryRunner.isTransactionActive)
                              throw new Error("Cannot start transaction because its already started");
                          usedQueryRunner = this.queryRunner || this.connection.createQueryRunner("master");
                          transactionEntityManager = this.connection.createEntityManager(usedQueryRunner);
                          _a.label = 1;
                      case 1:
                          _a.trys.push([1, 5, 10, 13]);
                          return [4 /*yield*/, usedQueryRunner.startTransaction()];
                      case 2:
                          _a.sent();
                          return [4 /*yield*/, runInTransaction(transactionEntityManager)];
                      case 3:
                          result = _a.sent();
                          return [4 /*yield*/, usedQueryRunner.commitTransaction()];
                      case 4:
                          _a.sent();
                          return [2 /*return*/, result];
                      case 5:
                          err_1 = _a.sent();
                          _a.label = 6;
                      case 6:
                          _a.trys.push([6, 8, , 9]);
                          return [4 /*yield*/, usedQueryRunner.rollbackTransaction()];
                      case 7:
                          _a.sent();
                          return [3 /*break*/, 9];
                      case 8:
                          rollbackError_1 = _a.sent();
                          return [3 /*break*/, 9];
                      case 9: throw err_1;
                      case 10:
                          if (!!this.queryRunner) return [3 /*break*/, 12];
                          return [4 /*yield*/, usedQueryRunner.release()];
                      case 11:
                          _a.sent();
                          _a.label = 12;
                      case 12: return [7 /*endfinally*/];
                      case 13: return [2 /*return*/];
                  }
              });
          });
      };
      /**
       * Executes raw SQL query and returns raw database results.
       */
      EntityManager.prototype.query = function (query, parameters) {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  return [2 /*return*/, this.connection.query(query, parameters, this.queryRunner)];
              });
          });
      };
      /**
       * Creates a new query builder that can be used to build a sql query.
       */
      EntityManager.prototype.createQueryBuilder = function (entityClass, alias, queryRunner) {
          if (alias) {
              return this.connection.createQueryBuilder(entityClass, alias, queryRunner || this.queryRunner);
          }
          else {
              return this.connection.createQueryBuilder(entityClass || this.queryRunner);
          }
      };
      /**
       * Checks if entity has an id by its Function type or schema name.
       */
      EntityManager.prototype.hasId = function (targetOrEntity, maybeEntity) {
          var target = arguments.length === 2 ? targetOrEntity : targetOrEntity.constructor;
          var entity = arguments.length === 2 ? maybeEntity : targetOrEntity;
          var metadata = this.connection.getMetadata(target);
          return metadata.hasId(entity);
      };
      /**
       * Gets entity mixed id.
       */
      EntityManager.prototype.getId = function (targetOrEntity, maybeEntity) {
          var target = arguments.length === 2 ? targetOrEntity : targetOrEntity.constructor;
          var entity = arguments.length === 2 ? maybeEntity : targetOrEntity;
          var metadata = this.connection.getMetadata(target);
          return metadata.getEntityIdMixedMap(entity);
      };
      /**
       * Creates a new entity instance or instances.
       * Can copy properties from the given object into new entities.
       */
      EntityManager.prototype.create = function (entityClass, plainObjectOrObjects) {
          var _this = this;
          var metadata = this.connection.getMetadata(entityClass);
          if (!plainObjectOrObjects)
              return metadata.create();
          if (plainObjectOrObjects instanceof Array)
              return plainObjectOrObjects.map(function (plainEntityLike) { return _this.create(entityClass, plainEntityLike); });
          return this.merge(entityClass, metadata.create(), plainObjectOrObjects);
      };
      /**
       * Merges two entities into one new entity.
       */
      EntityManager.prototype.merge = function (entityClass, mergeIntoEntity) {
          var entityLikes = [];
          for (var _i = 2; _i < arguments.length; _i++) {
              entityLikes[_i - 2] = arguments[_i];
          }
          var metadata = this.connection.getMetadata(entityClass);
          var plainObjectToEntityTransformer = new PlainObjectToNewEntityTransformer_1.PlainObjectToNewEntityTransformer();
          entityLikes.forEach(function (object) { return plainObjectToEntityTransformer.transform(mergeIntoEntity, object, metadata); });
          return mergeIntoEntity;
      };
      /**
       * Creates a new entity from the given plan javascript object. If entity already exist in the database, then
       * it loads it (and everything related to it), replaces all values with the new ones from the given object
       * and returns this new entity. This new entity is actually a loaded from the db entity with all properties
       * replaced from the new object.
       */
      EntityManager.prototype.preload = function (entityClass, entityLike) {
          return __awaiter(this, void 0, void 0, function () {
              var metadata, plainObjectToDatabaseEntityTransformer, transformedEntity;
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0:
                          metadata = this.connection.getMetadata(entityClass);
                          plainObjectToDatabaseEntityTransformer = new PlainObjectToDatabaseEntityTransformer_1.PlainObjectToDatabaseEntityTransformer(this.connection.manager);
                          return [4 /*yield*/, plainObjectToDatabaseEntityTransformer.transform(entityLike, metadata)];
                      case 1:
                          transformedEntity = _a.sent();
                          if (transformedEntity)
                              return [2 /*return*/, this.merge(entityClass, transformedEntity, entityLike)];
                          return [2 /*return*/, undefined];
                  }
              });
          });
      };
      /**
       * Saves a given entity in the database.
       */
      EntityManager.prototype.save = function (targetOrEntity, maybeEntityOrOptions, maybeOptions) {
          var _this = this;
          var target = (arguments.length > 1 && (targetOrEntity instanceof Function || typeof targetOrEntity === "string")) ? targetOrEntity : undefined;
          var entity = target ? maybeEntityOrOptions : targetOrEntity;
          var options = target ? maybeOptions : maybeEntityOrOptions;
          // if user passed empty array of entities then we don't need to do anything
          if (entity instanceof Array && entity.length === 0)
              return Promise.resolve(entity);
          return Promise.resolve().then(function () { return __awaiter(_this, void 0, void 0, function () {
              var _this = this;
              var queryRunner, transactionEntityManager, executors_1, finalTarget, metadata, databaseEntityLoader, executor, executorsNeedsToBeExecuted, isTransactionStartedByItself, error_1, rollbackError_2;
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0:
                          queryRunner = this.queryRunner || this.connection.createQueryRunner("master");
                          transactionEntityManager = this.connection.createEntityManager(queryRunner);
                          if (options && options.data)
                              Object.assign(queryRunner.data, options.data);
                          _a.label = 1;
                      case 1:
                          _a.trys.push([1, , 18, 21]);
                          executors_1 = [];
                          if (!(entity instanceof Array)) return [3 /*break*/, 3];
                          return [4 /*yield*/, Promise.all(entity.map(function (entity) { return __awaiter(_this, void 0, void 0, function () {
                                  var entityTarget, metadata, databaseEntityLoader, executor;
                                  return __generator(this, function (_a) {
                                      switch (_a.label) {
                                          case 0:
                                              entityTarget = target ? target : entity.constructor;
                                              metadata = this.connection.getMetadata(entityTarget);
                                              databaseEntityLoader = new SubjectBuilder_1.SubjectBuilder(this.connection, queryRunner);
                                              return [4 /*yield*/, databaseEntityLoader.persist(entity, metadata)];
                                          case 1:
                                              _a.sent();
                                              executor = new SubjectOperationExecutor_1.SubjectOperationExecutor(this.connection, transactionEntityManager, queryRunner, databaseEntityLoader.operateSubjects);
                                              executors_1.push(executor);
                                              return [2 /*return*/];
                                      }
                                  });
                              }); }))];
                      case 2:
                          _a.sent();
                          return [3 /*break*/, 5];
                      case 3:
                          finalTarget = target ? target : entity.constructor;
                          metadata = this.connection.getMetadata(finalTarget);
                          databaseEntityLoader = new SubjectBuilder_1.SubjectBuilder(this.connection, queryRunner);
                          return [4 /*yield*/, databaseEntityLoader.persist(entity, metadata)];
                      case 4:
                          _a.sent();
                          executor = new SubjectOperationExecutor_1.SubjectOperationExecutor(this.connection, transactionEntityManager, queryRunner, databaseEntityLoader.operateSubjects);
                          executors_1.push(executor);
                          _a.label = 5;
                      case 5:
                          executorsNeedsToBeExecuted = executors_1.filter(function (executor) { return executor.areExecutableOperations(); });
                          if (!executorsNeedsToBeExecuted.length) return [3 /*break*/, 17];
                          isTransactionStartedByItself = false;
                          _a.label = 6;
                      case 6:
                          _a.trys.push([6, 12, , 17]);
                          if (!!queryRunner.isTransactionActive) return [3 /*break*/, 8];
                          isTransactionStartedByItself = true;
                          return [4 /*yield*/, queryRunner.startTransaction()];
                      case 7:
                          _a.sent();
                          _a.label = 8;
                      case 8: return [4 /*yield*/, Promise.all(executorsNeedsToBeExecuted.map(function (executor) {
                              return executor.execute();
                          }))];
                      case 9:
                          _a.sent();
                          if (!(isTransactionStartedByItself === true)) return [3 /*break*/, 11];
                          return [4 /*yield*/, queryRunner.commitTransaction()];
                      case 10:
                          _a.sent();
                          _a.label = 11;
                      case 11: return [3 /*break*/, 17];
                      case 12:
                          error_1 = _a.sent();
                          if (!isTransactionStartedByItself) return [3 /*break*/, 16];
                          _a.label = 13;
                      case 13:
                          _a.trys.push([13, 15, , 16]);
                          return [4 /*yield*/, queryRunner.rollbackTransaction()];
                      case 14:
                          _a.sent();
                          return [3 /*break*/, 16];
                      case 15:
                          rollbackError_2 = _a.sent();
                          return [3 /*break*/, 16];
                      case 16: throw error_1;
                      case 17: return [3 /*break*/, 21];
                      case 18:
                          if (!!this.queryRunner) return [3 /*break*/, 20];
                          return [4 /*yield*/, queryRunner.release()];
                      case 19:
                          _a.sent();
                          _a.label = 20;
                      case 20: return [7 /*endfinally*/];
                      case 21: return [2 /*return*/, entity];
                  }
              });
          }); });
      };
      /**
       * Inserts a given entity into the database.
       * Unlike save method executes a primitive operation without cascades, relations and other operations included.
       * Does not modify source entity and does not execute listeners and subscribers.
       * Executes fast and efficient INSERT query.
       * Does not check if entity exist in the database, so query will fail if duplicate entity is being inserted.
       * You can execute bulk inserts using this method.
       */
      EntityManager.prototype.insert = function (target, entity, options) {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0: 
                      // todo: in the future create InsertResult with query result information
                      // todo: think if subscribers and listeners can be executed here as well
                      return [4 /*yield*/, this.createQueryBuilder()
                              .insert()
                              .into(target)
                              .values(entity)
                              .execute()];
                      case 1:
                          // todo: in the future create InsertResult with query result information
                          // todo: think if subscribers and listeners can be executed here as well
                          _a.sent();
                          return [2 /*return*/];
                  }
              });
          });
      };
      /**
       * Updates entity partially. Entity can be found by a given conditions.
       * Unlike save method executes a primitive operation without cascades, relations and other operations included.
       * Does not modify source entity and does not execute listeners and subscribers.
       * Executes fast and efficient UPDATE query.
       * Does not check if entity exist in the database.
       */
      EntityManager.prototype.update = function (target, conditions, partialEntity, options) {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0: 
                      // todo: in the future create UpdateResult with query result information
                      // todo: think if subscribers and listeners can be executed here as well
                      return [4 /*yield*/, this.createQueryBuilder()
                              .update(target)
                              .set(partialEntity)
                              .where(conditions)
                              .execute()];
                      case 1:
                          // todo: in the future create UpdateResult with query result information
                          // todo: think if subscribers and listeners can be executed here as well
                          _a.sent();
                          return [2 /*return*/];
                  }
              });
          });
      };
      /**
       * Updates entity partially. Entity will be found by a given id.
       * Unlike save method executes a primitive operation without cascades, relations and other operations included.
       * Does not modify source entity and does not execute listeners and subscribers.
       * Executes fast and efficient UPDATE query.
       * Does not check if entity exist in the database.
       */
      EntityManager.prototype.updateById = function (target, id, partialEntity, options) {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0: 
                      // todo: in the future create UpdateResult with query result information
                      // todo: think if subscribers and listeners can be executed here as well
                      return [4 /*yield*/, this.createQueryBuilder()
                              .update(target)
                              .set(partialEntity)
                              .whereInIds(id)
                              .execute()];
                      case 1:
                          // todo: in the future create UpdateResult with query result information
                          // todo: think if subscribers and listeners can be executed here as well
                          _a.sent();
                          return [2 /*return*/];
                  }
              });
          });
      };
      /**
       * Removes a given entity from the database.
       */
      EntityManager.prototype.remove = function (targetOrEntity, maybeEntityOrOptions, maybeOptions) {
          var _this = this;
          var target = (arguments.length > 1 && (targetOrEntity instanceof Function || typeof targetOrEntity === "string")) ? targetOrEntity : undefined;
          var entity = target ? maybeEntityOrOptions : targetOrEntity;
          var options = target ? maybeOptions : maybeEntityOrOptions;
          // if user passed empty array of entities then we don't need to do anything
          if (entity instanceof Array && entity.length === 0)
              return Promise.resolve(entity);
          return Promise.resolve().then(function () { return __awaiter(_this, void 0, void 0, function () {
              var _this = this;
              var queryRunner, transactionEntityManager, executors_2, finalTarget, metadata, databaseEntityLoader, executor, executorsNeedsToBeExecuted, isTransactionStartedByItself, error_2, rollbackError_3;
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0:
                          queryRunner = this.queryRunner || this.connection.createQueryRunner("master");
                          transactionEntityManager = this.connection.createEntityManager(queryRunner);
                          if (options && options.data)
                              Object.assign(queryRunner.data, options.data);
                          _a.label = 1;
                      case 1:
                          _a.trys.push([1, , 18, 21]);
                          executors_2 = [];
                          if (!(entity instanceof Array)) return [3 /*break*/, 3];
                          return [4 /*yield*/, Promise.all(entity.map(function (entity) { return __awaiter(_this, void 0, void 0, function () {
                                  var entityTarget, metadata, databaseEntityLoader, executor;
                                  return __generator(this, function (_a) {
                                      switch (_a.label) {
                                          case 0:
                                              entityTarget = target ? target : entity.constructor;
                                              metadata = this.connection.getMetadata(entityTarget);
                                              databaseEntityLoader = new SubjectBuilder_1.SubjectBuilder(this.connection, queryRunner);
                                              return [4 /*yield*/, databaseEntityLoader.remove(entity, metadata)];
                                          case 1:
                                              _a.sent();
                                              executor = new SubjectOperationExecutor_1.SubjectOperationExecutor(this.connection, transactionEntityManager, queryRunner, databaseEntityLoader.operateSubjects);
                                              executors_2.push(executor);
                                              return [2 /*return*/];
                                      }
                                  });
                              }); }))];
                      case 2:
                          _a.sent();
                          return [3 /*break*/, 5];
                      case 3:
                          finalTarget = target ? target : entity.constructor;
                          metadata = this.connection.getMetadata(finalTarget);
                          databaseEntityLoader = new SubjectBuilder_1.SubjectBuilder(this.connection, queryRunner);
                          return [4 /*yield*/, databaseEntityLoader.remove(entity, metadata)];
                      case 4:
                          _a.sent();
                          executor = new SubjectOperationExecutor_1.SubjectOperationExecutor(this.connection, transactionEntityManager, queryRunner, databaseEntityLoader.operateSubjects);
                          executors_2.push(executor);
                          _a.label = 5;
                      case 5:
                          executorsNeedsToBeExecuted = executors_2.filter(function (executor) { return executor.areExecutableOperations(); });
                          if (!executorsNeedsToBeExecuted.length) return [3 /*break*/, 17];
                          isTransactionStartedByItself = false;
                          _a.label = 6;
                      case 6:
                          _a.trys.push([6, 12, , 17]);
                          if (!!queryRunner.isTransactionActive) return [3 /*break*/, 8];
                          isTransactionStartedByItself = true;
                          return [4 /*yield*/, queryRunner.startTransaction()];
                      case 7:
                          _a.sent();
                          _a.label = 8;
                      case 8: return [4 /*yield*/, Promise.all(executorsNeedsToBeExecuted.map(function (executor) {
                              return executor.execute();
                          }))];
                      case 9:
                          _a.sent();
                          if (!(isTransactionStartedByItself === true)) return [3 /*break*/, 11];
                          return [4 /*yield*/, queryRunner.commitTransaction()];
                      case 10:
                          _a.sent();
                          _a.label = 11;
                      case 11: return [3 /*break*/, 17];
                      case 12:
                          error_2 = _a.sent();
                          if (!isTransactionStartedByItself) return [3 /*break*/, 16];
                          _a.label = 13;
                      case 13:
                          _a.trys.push([13, 15, , 16]);
                          return [4 /*yield*/, queryRunner.rollbackTransaction()];
                      case 14:
                          _a.sent();
                          return [3 /*break*/, 16];
                      case 15:
                          rollbackError_3 = _a.sent();
                          return [3 /*break*/, 16];
                      case 16: throw error_2;
                      case 17: return [3 /*break*/, 21];
                      case 18:
                          if (!!this.queryRunner) return [3 /*break*/, 20];
                          return [4 /*yield*/, queryRunner.release()];
                      case 19:
                          _a.sent();
                          _a.label = 20;
                      case 20: return [7 /*endfinally*/];
                      case 21: return [2 /*return*/, entity];
                  }
              });
          }); });
      };
      /**
       * Deletes entities by a given conditions.
       * Unlike save method executes a primitive operation without cascades, relations and other operations included.
       * Does not modify source entity and does not execute listeners and subscribers.
       * Executes fast and efficient DELETE query.
       * Does not check if entity exist in the database.
       */
      EntityManager.prototype.delete = function (targetOrEntity, conditions, options) {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0: 
                      // todo: in the future create DeleteResult with query result information
                      // todo: think if subscribers and listeners can be executed here as well
                      return [4 /*yield*/, this.createQueryBuilder()
                              .delete()
                              .from(targetOrEntity)
                              .where(conditions)
                              .execute()];
                      case 1:
                          // todo: in the future create DeleteResult with query result information
                          // todo: think if subscribers and listeners can be executed here as well
                          _a.sent();
                          return [2 /*return*/];
                  }
              });
          });
      };
      /**
       * Deletes entities by a given entity id or ids.
       * Unlike save method executes a primitive operation without cascades, relations and other operations included.
       * Does not modify source entity and does not execute listeners and subscribers.
       * Executes fast and efficient DELETE query.
       * Does not check if entity exist in the database.
       */
      EntityManager.prototype.deleteById = function (targetOrEntity, id, options) {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0: 
                      // todo: in the future create DeleteResult with query result information
                      // todo: think if subscribers and listeners can be executed here as well
                      return [4 /*yield*/, this.createQueryBuilder()
                              .delete()
                              .from(targetOrEntity)
                              .whereInIds(id)
                              .execute()];
                      case 1:
                          // todo: in the future create DeleteResult with query result information
                          // todo: think if subscribers and listeners can be executed here as well
                          _a.sent();
                          return [2 /*return*/];
                  }
              });
          });
      };
      /**
       * Deletes entity by a given entity id.
       *
       * @deprecated use deleteById method instead.
       */
      EntityManager.prototype.removeById = function (targetOrEntity, id, options) {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  return [2 /*return*/, this.deleteById(targetOrEntity, id, options)];
              });
          });
      };
      /**
       * Deletes entity by a given entity ids.
       *
       * @deprecated use deleteById method instead.
       */
      EntityManager.prototype.removeByIds = function (targetOrEntity, ids, options) {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  return [2 /*return*/, this.deleteById(targetOrEntity, ids, options)];
              });
          });
      };
      /**
       * Counts entities that match given find options or conditions.
       * Useful for pagination.
       */
      EntityManager.prototype.count = function (entityClass, optionsOrConditions) {
          return __awaiter(this, void 0, void 0, function () {
              var metadata, qb;
              return __generator(this, function (_a) {
                  metadata = this.connection.getMetadata(entityClass);
                  qb = this.createQueryBuilder(entityClass, FindOptionsUtils_1.FindOptionsUtils.extractFindManyOptionsAlias(optionsOrConditions) || metadata.name);
                  return [2 /*return*/, FindOptionsUtils_1.FindOptionsUtils.applyFindManyOptionsOrConditionsToQueryBuilder(qb, optionsOrConditions).getCount()];
              });
          });
      };
      /**
       * Finds entities that match given find options or conditions.
       */
      EntityManager.prototype.find = function (entityClass, optionsOrConditions) {
          return __awaiter(this, void 0, void 0, function () {
              var metadata, qb;
              return __generator(this, function (_a) {
                  metadata = this.connection.getMetadata(entityClass);
                  qb = this.createQueryBuilder(entityClass, FindOptionsUtils_1.FindOptionsUtils.extractFindManyOptionsAlias(optionsOrConditions) || metadata.name);
                  this.joinEagerRelations(qb, qb.alias, metadata);
                  return [2 /*return*/, FindOptionsUtils_1.FindOptionsUtils.applyFindManyOptionsOrConditionsToQueryBuilder(qb, optionsOrConditions).getMany()];
              });
          });
      };
      /**
       * Finds entities that match given find options and conditions.
       * Also counts all entities that match given conditions,
       * but ignores pagination settings (from and take options).
       */
      EntityManager.prototype.findAndCount = function (entityClass, optionsOrConditions) {
          return __awaiter(this, void 0, void 0, function () {
              var metadata, qb;
              return __generator(this, function (_a) {
                  metadata = this.connection.getMetadata(entityClass);
                  qb = this.createQueryBuilder(entityClass, FindOptionsUtils_1.FindOptionsUtils.extractFindManyOptionsAlias(optionsOrConditions) || metadata.name);
                  this.joinEagerRelations(qb, qb.alias, metadata);
                  return [2 /*return*/, FindOptionsUtils_1.FindOptionsUtils.applyFindManyOptionsOrConditionsToQueryBuilder(qb, optionsOrConditions).getManyAndCount()];
              });
          });
      };
      /**
       * Finds entities with ids.
       * Optionally find options or conditions can be applied.
       */
      EntityManager.prototype.findByIds = function (entityClass, ids, optionsOrConditions) {
          return __awaiter(this, void 0, void 0, function () {
              var metadata, qb;
              return __generator(this, function (_a) {
                  // if no ids passed, no need to execute a query - just return an empty array of values
                  if (!ids.length)
                      return [2 /*return*/, Promise.resolve([])];
                  metadata = this.connection.getMetadata(entityClass);
                  qb = this.createQueryBuilder(entityClass, FindOptionsUtils_1.FindOptionsUtils.extractFindManyOptionsAlias(optionsOrConditions) || metadata.name);
                  FindOptionsUtils_1.FindOptionsUtils.applyFindManyOptionsOrConditionsToQueryBuilder(qb, optionsOrConditions);
                  ids = ids.map(function (id) {
                      if (!metadata.hasMultiplePrimaryKeys && !(id instanceof Object)) {
                          return metadata.createEntityIdMap([id]);
                      }
                      return id;
                  });
                  this.joinEagerRelations(qb, qb.alias, metadata);
                  return [2 /*return*/, qb.andWhereInIds(ids).getMany()];
              });
          });
      };
      /**
       * Finds first entity that matches given conditions.
       */
      EntityManager.prototype.findOne = function (entityClass, optionsOrConditions) {
          return __awaiter(this, void 0, void 0, function () {
              var metadata, qb;
              return __generator(this, function (_a) {
                  metadata = this.connection.getMetadata(entityClass);
                  qb = this.createQueryBuilder(entityClass, FindOptionsUtils_1.FindOptionsUtils.extractFindOneOptionsAlias(optionsOrConditions) || metadata.name);
                  this.joinEagerRelations(qb, qb.alias, metadata);
                  return [2 /*return*/, FindOptionsUtils_1.FindOptionsUtils.applyFindOneOptionsOrConditionsToQueryBuilder(qb, optionsOrConditions).getOne()];
              });
          });
      };
      /**
       * Finds entity with given id.
       * Optionally find options or conditions can be applied.
       */
      EntityManager.prototype.findOneById = function (entityClass, id, optionsOrConditions) {
          return __awaiter(this, void 0, void 0, function () {
              var metadata, qb;
              return __generator(this, function (_a) {
                  metadata = this.connection.getMetadata(entityClass);
                  qb = this.createQueryBuilder(entityClass, FindOptionsUtils_1.FindOptionsUtils.extractFindOneOptionsAlias(optionsOrConditions) || metadata.name);
                  if (metadata.hasMultiplePrimaryKeys && !(id instanceof Object)) {
                      // const columnNames = this.metadata.getEntityIdMap({  });
                      throw new Error("You have multiple primary keys in your entity, to use findOneById with multiple primary keys please provide " +
                          "complete object with all entity ids, like this: { firstKey: value, secondKey: value }");
                  }
                  if (!metadata.hasMultiplePrimaryKeys && !(id instanceof Object)) {
                      id = metadata.createEntityIdMap([id]);
                  }
                  this.joinEagerRelations(qb, qb.alias, metadata);
                  FindOptionsUtils_1.FindOptionsUtils.applyFindOneOptionsOrConditionsToQueryBuilder(qb, optionsOrConditions);
                  return [2 /*return*/, qb.andWhereInIds([id]).getOne()];
              });
          });
      };
      /**
       * Clears all the data from the given table (truncates/drops it).
       *
       * Note: this method uses TRUNCATE and may not work as you expect in transactions on some platforms.
       * @see https://stackoverflow.com/a/5972738/925151
       */
      EntityManager.prototype.clear = function (entityClass) {
          return __awaiter(this, void 0, void 0, function () {
              var metadata, queryRunner;
              return __generator(this, function (_a) {
                  switch (_a.label) {
                      case 0:
                          metadata = this.connection.getMetadata(entityClass);
                          queryRunner = this.queryRunner || this.connection.createQueryRunner("master");
                          _a.label = 1;
                      case 1:
                          _a.trys.push([1, , 3, 6]);
                          return [4 /*yield*/, queryRunner.truncate(metadata.tablePath)];
                      case 2: return [2 /*return*/, _a.sent()]; // await is needed here because we are using finally
                      case 3:
                          if (!!this.queryRunner) return [3 /*break*/, 5];
                          return [4 /*yield*/, queryRunner.release()];
                      case 4:
                          _a.sent();
                          _a.label = 5;
                      case 5: return [7 /*endfinally*/];
                      case 6: return [2 /*return*/];
                  }
              });
          });
      };
      /**
       * Gets repository for the given entity class or name.
       * If single database connection mode is used, then repository is obtained from the
       * repository aggregator, where each repository is individually created for this entity manager.
       * When single database connection is not used, repository is being obtained from the connection.
       */
      EntityManager.prototype.getRepository = function (target) {
          // throw exception if there is no repository with this target registered
          if (!this.connection.hasMetadata(target))
              throw new RepositoryNotFoundError_1.RepositoryNotFoundError(this.connection.name, target);
          // find already created repository instance and return it if found
          var metadata = this.connection.getMetadata(target);
          var repository = this.repositories.find(function (repository) { return repository.metadata === metadata; });
          if (repository)
              return repository;
          // if repository was not found then create it, store its instance and return it
          var newRepository = new RepositoryFactory_1.RepositoryFactory().create(this, metadata, this.queryRunner);
          this.repositories.push(newRepository);
          return newRepository;
      };
      /**
       * Gets tree repository for the given entity class or name.
       * If single database connection mode is used, then repository is obtained from the
       * repository aggregator, where each repository is individually created for this entity manager.
       * When single database connection is not used, repository is being obtained from the connection.
       */
      EntityManager.prototype.getTreeRepository = function (target) {
          // tree tables aren't supported by some drivers (mongodb)
          if (this.connection.driver.treeSupport === false)
              throw new TreeRepositoryNotSupportedError_1.TreeRepositoryNotSupportedError(this.connection.driver);
          // check if repository is real tree repository
          var repository = this.getRepository(target);
          if (!(repository instanceof TreeRepository_1.TreeRepository))
              throw new RepositoryNotTreeError_1.RepositoryNotTreeError(target);
          return repository;
      };
      /**
       * Gets mongodb repository for the given entity class or name.
       */
      EntityManager.prototype.getMongoRepository = function (entityClassOrName) {
          return this.connection.getMongoRepository(entityClassOrName);
      };
      /**
       * Gets custom entity repository marked with @EntityRepository decorator.
       */
      EntityManager.prototype.getCustomRepository = function (customRepository) {
          var entityRepositoryMetadataArgs = index_1.getMetadataArgsStorage().entityRepositories.find(function (repository) {
              return repository.target === (customRepository instanceof Function ? customRepository : customRepository.constructor);
          });
          if (!entityRepositoryMetadataArgs)
              throw new CustomRepositoryNotFoundError_1.CustomRepositoryNotFoundError(customRepository);
          var entityMetadata = entityRepositoryMetadataArgs.entity ? this.connection.getMetadata(entityRepositoryMetadataArgs.entity) : undefined;
          var entityRepositoryInstance = new entityRepositoryMetadataArgs.target(this, entityMetadata);
          // NOTE: dynamic access to protected properties. We need this to prevent unwanted properties in those classes to be exposed,
          // however we need these properties for internal work of the class
          if (entityRepositoryInstance instanceof AbstractRepository_1.AbstractRepository) {
              if (!entityRepositoryInstance["manager"])
                  entityRepositoryInstance["manager"] = this;
          }
          if (entityRepositoryInstance instanceof Repository_1.Repository) {
              if (!entityMetadata)
                  throw new CustomRepositoryCannotInheritRepositoryError_1.CustomRepositoryCannotInheritRepositoryError(customRepository);
              entityRepositoryInstance["manager"] = this;
              entityRepositoryInstance["metadata"] = entityMetadata;
          }
          return entityRepositoryInstance;
      };
      /**
       * Releases all resources used by entity manager.
       * This is used when entity manager is created with a single query runner,
       * and this single query runner needs to be released after job with entity manager is done.
       */
      EntityManager.prototype.release = function () {
          return __awaiter(this, void 0, void 0, function () {
              return __generator(this, function (_a) {
                  if (!this.queryRunner)
                      throw new NoNeedToReleaseEntityManagerError_1.NoNeedToReleaseEntityManagerError();
                  return [2 /*return*/, this.queryRunner.release()];
              });
          });
      };
      // -------------------------------------------------------------------------
      // Protected Methods
      // -------------------------------------------------------------------------
      /**
       * Joins all eager relations recursively.
       */
      EntityManager.prototype.joinEagerRelations = function (qb, alias, metadata) {
          var _this = this;
          metadata.eagerRelations.forEach(function (relation) {
              var relationAlias = alias + "_" + relation.propertyPath.replace(".", "_");
              qb.leftJoinAndSelect(alias + "." + relation.propertyPath, relationAlias);
              _this.joinEagerRelations(qb, relationAlias, relation.inverseEntityMetadata);
          });
      };
      return EntityManager;
  }());
  exports.EntityManager = EntityManager;
  
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