0026229: Add the possibility in OCAF to open/save a document from/to a stream object

[occt.git] / src / DDF / DDF_Transaction.cxx

// Created by: DAUTRY Philippe
// Copyright (c) 1997-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

//      	-------------------
// Version:	0.0
//Version	Date		Purpose
//		0.0	Nov  4 1997	Creation

#include <DDF_Transaction.hxx>
#include <Standard_DomainError.hxx>
#include <Standard_NullObject.hxx>
#include <Standard_Type.hxx>
#include <TDF_Data.hxx>
#include <TDF_Delta.hxx>

IMPLEMENT_STANDARD_RTTIEXT(DDF_Transaction,MMgt_TShared)

//=======================================================================
//function : DDF_Transaction
//purpose  : 
//=======================================================================
DDF_Transaction::DDF_Transaction()
: myTransaction( TCollection_AsciiString() )
{}


//=======================================================================
//function : DDF_Transaction
//purpose  : 
//=======================================================================

DDF_Transaction::DDF_Transaction(const Handle(TDF_Data)& aDF)
: myTransaction( TCollection_AsciiString() )
{ myTransaction.Initialize(aDF); }


//=======================================================================
//function : Open
//purpose  : 
//=======================================================================

Standard_Integer DDF_Transaction::Open()
{ return myTransaction.Open(); }


//=======================================================================
//function : Commit
//purpose  : 
//=======================================================================

Handle(TDF_Delta) DDF_Transaction::Commit(const Standard_Boolean withDelta)
{ return myTransaction.Commit(withDelta); }


//=======================================================================
//function : Abort
//purpose  : alias ~
//=======================================================================

void DDF_Transaction::Abort()
{ myTransaction.Abort(); }


//=======================================================================
//function : Data
//purpose  : 
//=======================================================================

Handle(TDF_Data) DDF_Transaction::Data() const
{ return myTransaction.Data(); }


//=======================================================================
//function : Transaction
//purpose  : 
//=======================================================================

Standard_Integer DDF_Transaction::Transaction() const
{ return myTransaction.Transaction(); }


//=======================================================================
//function : IsOpen
//purpose  : 
//=======================================================================

Standard_Boolean DDF_Transaction::IsOpen() const
{ return myTransaction.IsOpen(); }