///////////////////////////////////////////////////////////
// Softwarebauelemente II, Aufgabe O3.2
//
// author:			Stephan Brumme
// last changes:	May 29, 2001


#if !defined(AFX_BASICCLASS_H__C0EA0EA0_0BD2_11D5_9BB7_B22A84F06321__INCLUDED_)
#define AFX_BASICCLASS_H__C0EA0EA0_0BD2_11D5_9BB7_B22A84F06321__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000


#include <string>
#include <sstream>
using namespace std;



class CBasicClass  
{
public:
    CBasicClass() {};
    virtual ~CBasicClass() {};

	// show attributes
	virtual string Show() const = 0;
	// shows all internal attributes
	virtual string ShowDebug() const = 0;

	// return class name
	virtual string ClassnameOf() const = 0;


	// copy constructors
	// non-virtual
//	CBasicClass& operator = (const CBasicClass &myclass);
	// virtual
	virtual bool Copy (const CBasicClass *pClass) = 0;

	// compare two dates
	// non-virtual
//	bool operator ==(const CBasicClass &myclass) const;
	// virtual
	virtual bool EqualValue(const CBasicClass *pClass) const = 0;

    // compare the address of two objects
    bool Equal(const CBasicClass *pClass) const 
        { return (this == pClass); };

    // determine whether object contains valid data
    virtual bool ClassInvariant() const = 0;
};

#endif // !defined(AFX_BASICCLASS_H__C0EA0EA0_0BD2_11D5_9BB7_B22A84F06321__INCLUDED_)