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occt/src/DDF/DDF_Transaction.hxx

104 lines
2.6 KiB
C++

// 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.
#ifndef _DDF_Transaction_HeaderFile
#define _DDF_Transaction_HeaderFile
#include <Standard.hxx>
#include <Standard_Type.hxx>
#include <TDF_Transaction.hxx>
#include <Standard_Transient.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
class Standard_DomainError;
class Standard_NullObject;
class TDF_Data;
class TDF_Delta;
class DDF_Transaction;
DEFINE_STANDARD_HANDLE(DDF_Transaction, Standard_Transient)
//! This class encapsulates TDF_Transaction.
class DDF_Transaction : public Standard_Transient
{
public:
//! Creates an empty transaction context, unable to be
//! opened.
Standard_EXPORT DDF_Transaction();
//! Creates a transaction context on <aDF>, ready to
//! be opened.
Standard_EXPORT DDF_Transaction(const Handle(TDF_Data)& aDF);
//! If not yet done, opens a new transaction on
//! <myDF>. Returns the index of the just opened
//! transaction.
//!
//! It raises DomainError if the transaction is
//! already open, and NullObject if there is no
//! current Data framework.
Standard_EXPORT Standard_Integer Open();
//! Commits the transactions until AND including the
//! current opened one.
Standard_EXPORT Handle(TDF_Delta) Commit (const Standard_Boolean withDelta = Standard_False);
//! Aborts the transactions until AND including the
//! current opened one.
Standard_EXPORT void Abort();
~DDF_Transaction()
{
Abort();
}
//! Returns the Data from TDF.
Standard_EXPORT Handle(TDF_Data) Data() const;
//! Returns the number of the transaction opened by <me>.
Standard_EXPORT Standard_Integer Transaction() const;
//! Returns true if the transaction is open.
Standard_EXPORT Standard_Boolean IsOpen() const;
DEFINE_STANDARD_RTTIEXT(DDF_Transaction,Standard_Transient)
protected:
private:
TDF_Transaction myTransaction;
};
#endif // _DDF_Transaction_HeaderFile