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objpool.h

00001 /*
00002     Copyright (C) 2001 by Martin Geisse <mgeisse@gmx.net>
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_OBJPOOL_H__
00020 #define __CS_OBJPOOL_H__
00021 
00022 #include "csutil/parray.h"
00023 
00031 template <class T>
00032 class csObjectPool
00033 {
00034 protected:
00035   csPDelArray<T> Objects;
00036 
00037 public:
00039   T *Alloc ()
00040   {
00041     if (Objects.Length () > 0)
00042       return Objects.Pop ();
00043     else
00044       return new T ();
00045   }
00046 
00048   void Free (T* o)
00049   {
00050     Objects.Push (o);
00051   }
00052 };
00053 
00054 #endif // __CS_OBJPOOL_H__

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