objcloneable.h

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/*         SCIP --- Solving Constraint Integer Programs                      */
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/**@file   objcloneable.h
 * @brief  definition of base class for all clonable classes
 * @author Michael Winkler
 */

/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/

#ifndef __SCIP_OBJCLONEABLE_H__
#define __SCIP_OBJCLONEABLE_H__

#include "scip/def.h"
#include "scip/scip.h"
#include "objscip/type_objcloneable.h"


namespace scip
{
   /** @brief Definition of base class for all clonable classes
    *
    * All C++ wrapper object plugins should extend this class, except constraint handlers and variable pricers. This is
    * needed to be able to copy (clone) a SCIP instance.
    */
   struct ObjCloneable
   {
      virtual ~ObjCloneable() {}

      /** assignment of polymorphic classes causes slicing and is therefore disabled. */
      ObjCloneable& operator=(const ObjCloneable& o) = delete;

      /** assignment of polymorphic classes causes slicing and is therefore disabled. */
      ObjCloneable& operator=(ObjCloneable&& o) = delete;

      /** clone method, used to copy plugins which are not constraint handlers or variable pricer plugins */
      virtual SCIP_DECL_OBJCLONEABLECLONE(ObjCloneable* clone)
      {
         return 0;
      }

      /** returns whether the plugin object is copyable */
      virtual SCIP_DECL_OBJCLONEABLEISCLONEABLE(iscloneable)
      {
         return false;
      }
   };
}

#endif