/////////////////////////////////////////////////////////////////////////
//  Serialv.cpp - demonstrate reading and writing with CArchive        //
//                                                                     //
//  Changyong Shi, CSE791 - Advanced Windows Programming, Summer 2001  //
/////////////////////////////////////////////////////////////////////////

#include <stdafx.h>
#include "serialv.h"
#include <iostream>

using namespace std;
//#define TEST_MY_CLASS


IMPLEMENT_SERIAL(CMyclass,CObject,2|VERSIONABLE_SCHEMA)

void CMyclass::Serialize(CArchive &ar){
	CObject::Serialize (ar);
    if (ar.IsStoring())
         ar<<m_a<<m_b<<m_c;
	if (ar.IsLoading())
	{   UINT nSchema = ar.GetObjectSchema();
	    switch (nSchema) {
		case 1: // Version 1
		      ar>>m_a>>m_b;
		      m_c = 0; //default value
			  break;
		case 2: // Version 2
              ar>>m_a>>m_b>>m_c;
			  break;
		default: //Unknown version
			AfxThrowArchiveException (CArchiveException::badSchema);
			break;
		}
	}
}


#ifdef TEST_MY_CLASS

void main(){

	 CMyclass* pMyclass = new CMyclass(2, 3, 4); 
	 CFile theFile(_T("archFile.txt"), CFile::modeReadWrite|CFile::modeCreate|
		           CFile::modeNoTruncate);
     CArchive ar1(&theFile, CArchive::store);

	 cout<<endl<<endl;
	 cout<<"Writing the sum into archive: hello"; 
	 cout<<pMyclass->sum()<<endl<<endl;
	 ar1<<pMyclass;
     ar1.Close();
	 theFile.Close();

     CMyclass *pMyclass2;
     CFile theFile2(_T("archFile.txt"), CFile::modeRead);
     CArchive ar2(&theFile2, CArchive::load);
     
	 ar2>> pMyclass2;
	 cout<<"Reading the sum from archive: ";
	 cout<< pMyclass2->sum()<<endl;
   
     
     ar2.Close();
     theFile2.Close();
     
     delete pMyclass;
	 delete pMyclass2;

}
#endif