DeviceMode.h

Go to the documentation of this file.
00001 /*
00002 // $Id: //open/dev/fennel/device/DeviceMode.h#9 $
00003 // Fennel is a library of data storage and processing components.
00004 // Copyright (C) 2005-2009 The Eigenbase Project
00005 // Copyright (C) 2005-2009 SQLstream, Inc.
00006 // Copyright (C) 2005-2009 LucidEra, Inc.
00007 // Portions Copyright (C) 1999-2009 John V. Sichi
00008 //
00009 // This program is free software; you can redistribute it and/or modify it
00010 // under the terms of the GNU General Public License as published by the Free
00011 // Software Foundation; either version 2 of the License, or (at your option)
00012 // any later version approved by The Eigenbase Project.
00013 //
00014 // This program is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017 // GNU General Public License for more details.
00018 //
00019 // You should have received a copy of the GNU General Public License
00020 // along with this program; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 */
00023 
00024 #ifndef Fennel_DeviceMode_Included
00025 #define Fennel_DeviceMode_Included
00026 
00027 FENNEL_BEGIN_NAMESPACE
00028 
00029 struct FENNEL_DEVICE_EXPORT DeviceMode
00030 {
00031     bool create : 1;
00032     bool readOnly : 1;
00033     bool temporary : 1;
00034     bool direct : 1;
00035     bool sequential : 1;
00036 
00037     enum Initializer { load = 0, createNew = 1 };
00038 
00039     explicit DeviceMode()
00040     {
00041         init();
00042     }
00043 
00044     DeviceMode(Initializer i)
00045     {
00046         init();
00047         create = i;
00048     }
00049 
00050     DeviceMode(DeviceMode const &mode)
00051     {
00052         init(mode);
00053     }
00054 
00055     void operator = (DeviceMode const &mode)
00056     {
00057         init(mode);
00058     }
00059 
00060 private:
00061     void init()
00062     {
00063         create = 0;
00064         readOnly = 0;
00065         temporary = 0;
00066         direct = 0;
00067         sequential = 0;
00068     }
00069 
00070     void init(DeviceMode const &mode)
00071     {
00072         create = mode.create;
00073         readOnly = mode.readOnly;
00074         temporary = mode.temporary;
00075         direct = mode.direct;
00076         sequential = mode.sequential;
00077     }
00078 };
00079 
00080 FENNEL_END_NAMESPACE
00081 
00082 #endif
00083 
00084 // End DeviceMode.h

Generated on Mon Jun 22 04:00:18 2009 for Fennel by  doxygen 1.5.1