subCycleTime.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2011-2014 OpenFOAM Foundation
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
Class
    Foam::subCycleTime
 
Description
    A class for managing sub-cycling times
 
SourceFiles
    subCycleTime.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef subCycleTime_H
#define subCycleTime_H
 
#include "Time.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
/*---------------------------------------------------------------------------*\
                        Class subCycleTime Declaration
\*---------------------------------------------------------------------------*/
 
class subCycleTime
{
    // Private data
 
        //- Reference to the underlying time
        Time& time_;
 
        //- Current index in the sub-cycle
        label index_;
 
        //- Total number of cycles in the sub-cycle
        label total_;
 
 
public:
 
    // Constructors
 
        //- Construct referencing the original time and number of sub-cycles
        subCycleTime(Time& runTime, const label nCycle);
 
 
    //- Destructor
    ~subCycleTime();
 
 
    // Member functions
 
        //- Return the current sub-cycle index
        inline label index() const
        {
            return index_;
        }
 
        //- Return the total number of sub-cycles
        inline label nSubCycles() const
        {
            return total_;
        }
 
        //- True if the sub-cycle is active.
        bool status() const;
 
        //- Return true if the number of sub-cycles has been reached
        bool end() const;
 
        //- End the sub-cycling and reset the time-state
        void endSubCycle();
 
        //- True if looping is active, increments the index.
        //  Example usage,
        //  \code
        //      while (subcycle.loop())
        //      {
        //          solve;
        //      }
        //  \endcode
        bool loop();
 
 
    // Member operators
 
        //- Prefix increment
        subCycleTime& operator++();
 
        //- Postfix increment, this is identical to the prefix increment
        subCycleTime& operator++(int);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //