sampleobject.cpp

贡献一份commoncpp2,有兴趣的可以研究一下

// Copyright (C) 2002-2003 Chad C. Yates [e-mail]
//  
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software 
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// 
// As a special exception to the GNU General Public License, permission is 
// granted for additional uses of the text contained in its release 
// of Common C++.
// 
// The exception is that, if you link the Common C++ library with other
// files to produce an executable, this does not by itself cause the
// resulting executable to be covered by the GNU General Public License.
// Your use of that executable is in no way restricted on account of
// linking the Common C++ library code into it.
//
// This exception does not however invalidate any other reasons why
// the executable file might be covered by the GNU General Public License.
//
// This exception applies only to the code released under the 
// name Common C++.  If you copy code from other releases into a copy of
// Common C++, as the General Public License permits, the exception does
// not apply to the code that you add in this way.  To avoid misleading
// anyone as to the status of such modified files, you must delete
// this exception notice from them.
// 
// If you write modifications of your own for Common C++, it is your choice
// whether to permit this exception to apply to your modifications.
// If you do not wish that, delete this exception notice.

#include "SampleObject.h"

IMPLEMENT_PERSISTENCE(Test,"Test");

Test::Test()
: iInteger(0), strString("Null"), strString2("Null")
{
  nullPtr = NULL;
  //uninitializedNullPtr;         // to test whether unpersisting a non constructed NULL var works.
  subObjectPtr = NULL;
  subObjectPtr2 = subObjectPtr; // points to the same thing as subObjectPtr for testing
}

Test::Test(Test &ob)
{
  iInteger = ob.iInteger;
  strString = ob.strString;
}

bool Test::operator==(const Test &ob) const
{
  return
    iInteger == ob.iInteger && 
    strString == ob.strString &&
    strString2 == ob.strString2 &&
    numbers == ob.numbers &&
    strings == ob.strings &&
    moreStrings == ob.moreStrings &&
    nullPtr == ob.nullPtr &&
    uninitializedNullPtr == ob.uninitializedNullPtr &&
    *subObjectPtr == *ob.subObjectPtr &&
    *subObjectPtr2 == *ob.subObjectPtr2 &&
    subObjectRef == ob.subObjectRef &&
    subObjects == ob.subObjects;
}

bool Test::write(Engine& archive) const
{
  archive << iInteger << strString << strString2;
  archive << numbers;
  archive << strings;
  archive << nullPtr;
  archive << uninitializedNullPtr;
  archive << subObjectPtr;
  archive << subObjectPtr2;
  archive << subObjectRef;
  archive << moreStrings;
  archive << subObjects;

  return true;
}

bool Test::read(Engine& archive)
{
  archive >> iInteger >> strString >> strString2;
  archive >> numbers;
  archive >> strings;
  archive >> nullPtr;
  archive >> uninitializedNullPtr;
  archive >> subObjectPtr;
  archive >> subObjectPtr2;
  archive >> subObjectRef;
  archive >> moreStrings;
  archive >> subObjects;

  return true;
}

void Test::print(const std::string& name)
{
  cout <<
    name << ":\n" <<
    "     iInteger: " << iInteger << endl <<
    "    strString: '" << strString << "'" << endl <<
    "   strString2: '"  << strString2 << "'"  << endl;

  cout <<
    "      numbers: ";
  std::copy(numbers.begin(), numbers.end(), std::ostream_iterator<double>(cout, " "));
  cout << endl;

  cout <<
    "      strings: ";
  std::copy(strings.begin(), strings.end(), std::ostream_iterator<string>(cout, " "));
  cout << endl;

  cout <<
    "  moreStrings: ";
  std::copy(moreStrings.begin(), moreStrings.end(), std::ostream_iterator<string>(cout, " "));
  cout << endl;

  subObjectPtr->print("subObjectPtr");
  subObjectPtr2->print("subObjectPtr2");
  subObjectRef.print("subObjectRef");

  cout <<
    "\nsubObjects (deque):\n";
  for (std::deque<TestSub>::const_iterator i = subObjects.begin(); i != subObjects.end(); ++i)
    i->print("element in deque");
  cout << endl;

  cout << "====================================\n\n";
}