GCTAModelSpatialRegistry.hpp
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/***************************************************************************
* GCTAModelSpatialRegistry.hpp - Spatial model registry class *
* ----------------------------------------------------------------------- *
* copyright (C) 2018 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* 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 3 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, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file GCTAModelSpatialRegistry.hpp
* @brief Spatial model registry class definition
* @author Juergen Knoedlseder
*/
#ifndef GCTAMODELSPATIALREGISTRY_HPP
#define GCTAMODELSPATIALREGISTRY_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GRegistry.hpp"
/* __ Forward declarations _______________________________________________ */
class GXmlElement;
class GCTAModelSpatial;
/***********************************************************************//**
* @class GCTAModelSpatialRegistry
*
* @brief Interface definition for the spatial model registry class
*
* The registry class allows the registration of spatial models that are not
* necessarily compiled into the GammaLib. It uses the static members
* m_number and m_models which are allocated globally to keep track of
* spatial models that are available throughout all linked libraries. To
* register a spatial model it is sufficient to add
*
* const GCTAModelSpatialXXX g_spatial_XXX_seed;
* const GCTAModelSpatialRegistry g_spatial_XXX_registry(&g_spatial_XXX_seed);
*
* at the top of the .cpp file of the spatial model. Here, XXX is a unique
* name that describes the model.
***************************************************************************/
class GCTAModelSpatialRegistry : public GRegistry {
public:
// Constructors and destructors
GCTAModelSpatialRegistry(void);
GCTAModelSpatialRegistry(const GCTAModelSpatial* model);
GCTAModelSpatialRegistry(const GCTAModelSpatialRegistry& registry);
virtual ~GCTAModelSpatialRegistry(void);
// Operators
GCTAModelSpatialRegistry& operator=(const GCTAModelSpatialRegistry& registry);
// Methods
std::string classname(void) const;
int size(void) const;
GCTAModelSpatial* alloc(const GXmlElement& xml) const;
std::string name(const int& index) const;
std::string print(const GChatter& chatter = NORMAL) const;
protected:
// Protected methods
void init_members(void);
void copy_members(const GCTAModelSpatialRegistry& registry);
void free_members(void);
private:
// Private members (the private members have been implement as static
// methods to avoid the static initialization order fiasco of static
// members; using static methods we follow the "construct on first use
// idiom")
// Number of models in registry
static int& number() {
static int m_number = 0;
return m_number;
};
// Pointer to seed models
static GRegistryPointer<const GCTAModelSpatial*>& models() {
static GRegistryPointer<const GCTAModelSpatial*> m_models;
return m_models;
};
};
/***********************************************************************//**
* @brief Return class name
*
* @return String containing the class name ("GCTAModelSpatialRegistry").
***************************************************************************/
inline
std::string GCTAModelSpatialRegistry::classname(void) const
{
return ("GCTAModelSpatialRegistry");
}
/***********************************************************************//**
* @brief Return number of registered models
*
* @return Number of registered models.
*
* Returns the number of registered model.
***************************************************************************/
inline
int GCTAModelSpatialRegistry::size(void) const
{
return number();
}
#endif /* GCTAMODELSPATIALREGISTRY_HPP */