WRequirement.h

00001 //---------------------------------------------------------------------------
00002 //
00003 // Project: OpenWalnut ( http://www.openwalnut.org )
00004 //
00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
00006 // For more information see http://www.openwalnut.org/copying
00007 //
00008 // This file is part of OpenWalnut.
00009 //
00010 // OpenWalnut is free software: you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as published by
00012 // the Free Software Foundation, either version 3 of the License, or
00013 // (at your option) any later version.
00014 //
00015 // OpenWalnut is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018 // GNU Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public License
00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
00022 //
00023 //---------------------------------------------------------------------------
00024 
00025 #ifndef WREQUIREMENT_H
00026 #define WREQUIREMENT_H
00027 
00028 #include <string>
00029 
00030 #include "WExportCommon.h"
00031 
00032 /**
00033  * Base class for all possible kinds of requirements. Derive your own kind of requirement from this class. This allows easy checking of required
00034  * features on a target system. Of course this is only useful for things checkable during runtime. You should avoid writing classes for checking
00035  * weather some library is installed or not. This is checked by the linker on the target system.
00036  */
00037 class OWCOMMON_EXPORT WRequirement // NOLINT
00038 {
00039 public:
00040 
00041     /**
00042      * Default constructor.
00043      */
00044     WRequirement();
00045 
00046     /**
00047      * Destructor.
00048      */
00049     virtual ~WRequirement();
00050 
00051     /**
00052      * Checks if the requirement is fulfilled on the system. Implement this for your specific case.
00053      *
00054      * \return true if the specific requirement is fulfilled.
00055      */
00056     virtual bool isComplied() const = 0;
00057 
00058     /**
00059      * Return a nice description of the requirement.
00060      *
00061      * \return the description.
00062      */
00063     virtual std::string getDescription() const = 0;
00064 
00065 protected:
00066 
00067 private:
00068 };
00069 
00070 #endif  // WREQUIREMENT_H
00071 
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