singleton.h

open lattice boltzmann project www.openlb.org

/*  This file is part of the OpenLB library
 *
 *  Copyright (C) 2006, 2007 Jonas Latt
 *  Address: Rue General Dufour 24,  1211 Geneva 4, Switzerland 
 *  E-mail: [e-mail]
 *
 *  This program 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 2
 *  of the License, or (at your option) any later version.
 *
 *  This program 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 this program; if not, write to the Free 
 *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
*/

/** \file
 * Definition of singletons: global, publicly available information.
 */
#ifndef SINGLETON_H
#define SINGLETON_H

#include <string>

namespace olb {

namespace singleton {
    
class Directories {
public:
    void setOlbDir(std::string olbDir_) {
        olbDir = olbDir_;
    }
    void setOutputDir(std::string outputDir) {
        setLogOutDir(outputDir);
        setImageOutDir(outputDir);
        setVtkOutDir(outputDir);
    }
    void setLogOutDir(std::string logOutDir_) {
        logOutDir = logOutDir_;
    }
    void setImageOutDir(std::string imageOutDir_) {
        imageOutDir = imageOutDir_;
    }
    void setVtkOutDir(std::string vtkOutDir_) {
        vtkOutDir = vtkOutDir_;
    }
    std::string getOlbDir() const {
        return olbDir;
    }
    std::string getLogOutDir() const {
        return logOutDir;
    }
    std::string getImageOutDir() const {
        return imageOutDir;
    }
    std::string getVtkOutDir() const {
        return vtkOutDir;
    }
private:
    Directories() {
        setOlbDir("");
        setOutputDir("");
    }
    ~Directories() { }
private:
    std::string olbDir;
    std::string logOutDir;
    std::string imageOutDir;
    std::string vtkOutDir;

friend Directories& directories();
};

inline Directories& directories() {
    static Directories singleton;
    return singleton;
}

}  // namespace singleton

}  // namespace olb

#endif