clonable.h

Go to the documentation of this file.

 
#include "elementa/license.inc"
#include "elementa/checks.inc"
 
#ifndef ELEMENTA_PATTERNS_CLONABLE_H
#define ELEMENTA_PATTERNS_CLONABLE_H
 
#include <memory>
#include "elementa/base/exceptions.h"
 
 
namespace elementa
{
 
namespace patterns
{
 
/* ***************************************************************************
 
    Abstract class: Clonable
    
*******************************************************************************/
 
 
class Clonable
{
 public:
 
    virtual Clonable * clone(void) const = 0;
 
 
    virtual Clonable * emptyClone(void) const
        { ELE_CODE_UNIMPLEMENTED; }
 
};
 
 
/* ***************************************************************************
 
    Abstract template class: ClonableShared
    
*******************************************************************************/
 
 
template <class C>
class ClonableShared
{
 public:
 
    virtual std::shared_ptr<C> clone(void) const = 0;
 
 
    virtual std::shared_ptr<C> * emptyClone(void) const
        { ELE_CODE_UNIMPLEMENTED; }
};
 
 // Clonable
 
 
} // end patterns namespace
 
} // end elementa namespace
 
 
#endif