/* * This file is a part of morm * and is distributed under the 2-Clause BSD licence. * Author: Tomasz Sowa */ /* * Copyright (c) 2022-2023, Tomasz Sowa * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #ifndef headerfile_morm_src_select #define headerfile_morm_src_select namespace morm { /* * additional arguments for Finder::select method */ class Select { public: enum SelectType { default_type = 0, no_auto_generated_columns = 1, with_rows_counter = 2, distinct = 4, }; /* * type can be a superposition from SelectType values */ int type; Select() { type = 0; } Select(const Select & select_type) { this->type = select_type.type; } Select(SelectType select_type) { this->type = static_cast(select_type); } Select(int type) { this->type = type; } Select & operator=(const Select & select_type) { type = select_type.type; return *this; } Select & operator=(SelectType select_type) { this->type = static_cast(select_type); return *this; } Select & operator=(int type) { this->type = type; return *this; } bool is_flag_set(int flag_mask) const { return (type & flag_mask) != 0; } bool is_with_rows_counter() const { return is_flag_set(with_rows_counter); } bool is_no_auto_generated_columns() const { return is_flag_set(no_auto_generated_columns); } bool is_distinct() const { return is_flag_set(distinct); } }; } #endif