hash_load_check_resize_trigger_size_base.hpp revision 169691
1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the terms 7// of the GNU General Public License as published by the Free Software 8// Foundation; either version 2, or (at your option) any later 9// version. 10 11// This library is distributed in the hope that it will be useful, but 12// WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14// General Public License for more details. 15 16// You should have received a copy of the GNU General Public License 17// along with this library; see the file COPYING. If not, write to 18// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19// MA 02111-1307, USA. 20 21// As a special exception, you may use this file as part of a free 22// software library without restriction. Specifically, if other files 23// instantiate templates or use macros or inline functions from this 24// file, or you compile this file and link it with other files to 25// produce an executable, this file does not by itself cause the 26// resulting executable to be covered by the GNU General Public 27// License. This exception does not however invalidate any other 28// reasons why the executable file might be covered by the GNU General 29// Public License. 30 31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32 33// Permission to use, copy, modify, sell, and distribute this software 34// is hereby granted without fee, provided that the above copyright 35// notice appears in all copies, and that both that copyright notice 36// and this permission notice appear in supporting documentation. None 37// of the above authors, nor IBM Haifa Research Laboratories, make any 38// representation about the suitability of this software for any 39// purpose. It is provided "as is" without express or implied 40// warranty. 41 42/** 43 * @file hash_load_check_resize_trigger_size_base.hpp 44 * Contains an base holding size for some resize policies. 45 */ 46 47#ifndef PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP 48#define PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP 49 50namespace pb_ds 51{ 52 namespace detail 53 { 54 // Primary template. 55 template<typename Size_Type, bool Hold_Size> 56 class hash_load_check_resize_trigger_size_base; 57 58 // Specializations. 59 template<typename Size_Type> 60 class hash_load_check_resize_trigger_size_base<Size_Type, true> 61 { 62 protected: 63 typedef Size_Type size_type; 64 65 hash_load_check_resize_trigger_size_base(): m_size(0) 66 { } 67 68 inline void 69 swap(hash_load_check_resize_trigger_size_base& other) 70 { std::swap(m_size, other.m_size); } 71 72 inline void 73 set_size(size_type size) 74 { m_size = size; } 75 76 inline size_type 77 get_size() const 78 { return m_size; } 79 80 private: 81 size_type m_size; 82 }; 83 84 template<typename Size_Type> 85 class hash_load_check_resize_trigger_size_base<Size_Type, false> 86 { 87 protected: 88 typedef Size_Type size_type; 89 90 protected: 91 inline void 92 swap(hash_load_check_resize_trigger_size_base& other) { } 93 94 inline void 95 set_size(size_type size) { } 96 }; 97 } // namespace detail 98} // namespace pb_ds 99 100#endif 101