{ *************************************************************************** Copyright (c) 2016-2019 Kike Pérez Unit : Quick.DAO.QueryGenerator Description : DAODatabase ADO Provider Author : Kike Pérez Version : 1.0 Created : 22/06/2018 Modified : 02/07/2019 This file is part of QuickDAO: https://github.com/exilon/QuickDAO *************************************************************************** Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. *************************************************************************** } unit Quick.DAO.Factory.QueryGenerator; {$i QuickDAO.inc} interface uses System.SysUtils, Quick.DAO, Quick.DAO.QueryGenerator.MSSQL, Quick.DAO.QueryGenerator.MSAccess, Quick.DAO.QueryGenerator.SQLite, Quick.DAO.QueryGenerator.MySQL; type TDAOQueryGeneratorFactory = class public class function Create(aDBProvider : TDBProvider) : IDAOQueryGenerator; end; EDAOQueryGeneratorError = class(Exception); implementation { TDAOQueryGeneratorFactory } class function TDAOQueryGeneratorFactory.Create(aDBProvider : TDBProvider) : IDAOQueryGenerator; begin case aDBProvider of TDBProvider.daoMSAccess2000 : Result := TMSAccessQueryGenerator.Create; TDBProvider.daoMSAccess2007 : Result := TMSAccessQueryGenerator.Create; TDBProvider.daoMSSQL : Result := TMSSQLQueryGenerator.Create; TDBProvider.daoMySQL : Result := TMySQLQueryGenerator.Create; TDBProvider.daoSQLite : Result := TSQLiteQueryGenerator.Create; //TDAODBType.daoFirebase : Result := TFireBaseQueryGenerator.Create; else raise EDAOQueryGeneratorError.Create('No valid QueryGenerator provider specified!'); end; end; end.