UninitializedStoragePool.h
Go to the documentation of this file.00001 /******************************************************************************* 00002 * 00003 * Copyright (c) 2008-2010 Michael Schulze <mschulze@ivs.cs.uni-magdeburg.de> 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * 00013 * * Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in 00015 * the documentation and/or other materials provided with the 00016 * distribution. 00017 * 00018 * * Neither the name of the copyright holders nor the names of 00019 * contributors may be used to endorse or promote products derived 00020 * from this software without specific prior written permission. 00021 * 00022 * 00023 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00024 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00025 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00026 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00027 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00028 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00029 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00030 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00031 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00032 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00033 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00034 * 00035 * $Id$ 00036 * 00037 ******************************************************************************/ 00038 #ifndef __UninitializedStoragePool_h__ 00039 #define __UninitializedStoragePool_h__ 00040 00041 #include "object/Uninitialized.h" 00042 00043 namespace object { 00044 00063 template < typename T, 00064 template<typename, unsigned int, bool> class C, 00065 unsigned int N=8, 00066 bool callDestructor = true > 00067 class UninitializedStoragePool : public C< Uninitialized<T>, N, callDestructor > { 00068 00070 typedef C<Uninitialized<T> , N, callDestructor > Storage; 00071 public: 00073 typedef T value_type; 00074 00076 typedef T* pointer; 00077 00079 typedef T& reference; 00080 00082 class Iterator : public Storage::iterator { 00083 public: 00088 value_type& operator* () const { 00089 return reinterpret_cast<value_type&>(Storage::iterator::operator*()); 00090 } 00091 00092 private: 00093 Iterator (); 00094 }; 00095 typedef Iterator iterator; 00096 00097 ~UninitializedStoragePool () { 00098 if (callDestructor) 00099 for ( iterator i = begin(); i != end(); i = begin() ) 00100 delElement (&*i); 00101 } 00102 00104 iterator begin () __attribute__((always_inline)) { 00105 typename Storage::iterator i = Storage::begin(); 00106 return *static_cast<iterator*>(&i); 00107 } 00108 00110 iterator end () __attribute__((always_inline)) { 00111 typename Storage::iterator i = Storage::end(); 00112 return *static_cast<iterator*>(&i); 00113 } 00114 00116 void delElement (const pointer v) __attribute__((always_inline)) { 00117 Storage::delElement(reinterpret_cast<Uninitialized<value_type>*>(v)); 00118 v->~value_type(); 00119 } 00120 00126 value_type* newElement () __attribute__((always_inline)) { 00127 return reinterpret_cast<value_type*>(Storage::newElement()); 00128 } 00129 }; 00130 00131 } /* namespace object */ 00132 00133 #endif 00134