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/* -*- C++ -*- */
//=============================================================================
/**
* @file Gadget.h
*
* $Id: Gadget.h 80826 2008-03-04 14:51:23Z wotte $
*
* @author Christopher Kohlhoff <chris@kohlhoff.com>
*/
//=============================================================================
#ifndef GADGET_H
#define GADGET_H
#include "ace/Bound_Ptr.h"
#include "Gadget_Part.h"
/**
* @class Gadget
*
* @brief An interface for some high-level application object.
*/
class Gadget
{
public:
/// Destructor.
virtual ~Gadget (void);
/// Add a new part to the gadget. The gadget automatically takes shared
/// responsibility for the ownership of the part object since we are passing
/// a Gadget_Part_var.
virtual void add_part (Gadget_Part_var part) = 0;
/// Remove a random part from the gadget. Responsibility for ownership of the
/// part is automatically returned to the caller since we are returning a
/// Gadget_Part_var.
virtual Gadget_Part_var remove_part (void) = 0;
/// Ask the gadget to print information about the parts that it contains.
virtual void list_parts (void) = 0;
};
// The Gadget_var smart pointer has shared (reference counted) ownership
// semantics.
typedef ACE_Strong_Bound_Ptr<Gadget, ACE_SYNCH_MUTEX> Gadget_var;
// The Gadget_ptr smart pointer has no ownership semantics, but supports
// conversion back into a Gadget_var.
typedef ACE_Weak_Bound_Ptr<Gadget, ACE_SYNCH_MUTEX> Gadget_ptr;
#endif /* GADGET_H */
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