GModelSpatialRegistry.hpp
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/***************************************************************************
* GModelSpatialRegistry.hpp - Spatial model registry class *
* ----------------------------------------------------------------------- *
* copyright (C) 2011-2013 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 GModelSpatialRegistry.hpp
* @brief Spatial model registry class definition
* @author Juergen Knoedlseder
*/
#ifndef GMODELSPATIALREGISTRY_HPP
#define GMODELSPATIALREGISTRY_HPP
/* __ Includes ___________________________________________________________ */
#include <string>
#include "GRegistry.hpp"
#include "GModelSpatial.hpp"
/***********************************************************************//**
* @class GModelSpatialRegistry
*
* @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, m_names, 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 GModelSpatialXXX g_spatial_XXX_seed;
* const GModelSpatialRegistry 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 GModelSpatialRegistry : public GRegistry {
public:
// Constructors and destructors
GModelSpatialRegistry(void);
GModelSpatialRegistry(const GModelSpatial* model);
GModelSpatialRegistry(const GModelSpatialRegistry& registry);
virtual ~GModelSpatialRegistry(void);
// Operators
GModelSpatialRegistry& operator=(const GModelSpatialRegistry& registry);
// Methods
int size(void) const;
GModelSpatial* alloc(const std::string& name) 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 GModelSpatialRegistry& 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;
};
// Model names
static GRegistryPointer<std::string>& names() {
static GRegistryPointer<std::string> m_names;
return m_names;
};
// Pointer to seed models
static GRegistryPointer<const GModelSpatial*>& models() {
static GRegistryPointer<const GModelSpatial*> m_models;
return m_models;
};
};
/***********************************************************************//**
* @brief Return number of registered models
*
* @return Number of registered models.
*
* Returns the number of registered model.
***************************************************************************/
inline
int GModelSpatialRegistry::size(void) const
{
return number();
}
#endif /* GMODELSPATIALREGISTRY_HPP */