DbHistoryManager.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
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// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
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#ifndef _ODDBHISTORYMANAGER_H_INCLUDED_
#define _ODDBHISTORYMANAGER_H_INCLUDED_
 
#include "OdString.h"
#include "DbHandle.h"
#include "OdStreamBuf.h"
#define STL_USING_MAP
#include "OdaSTL.h"
 
typedef OdArray<OdDbHandle> OdDbHandleArray;
typedef std::map<OdDbHandle, OdDbHandle> OdDbHandleMap;
class OdDbDatabaseImpl;
 
struct OdDbHistoryLogRecord
{
  OdString message;
  OdTimeStamp timestamp;
  OdString author;
};
 
class TOOLKIT_EXPORT OdDbHistoryManager
{
public:
  OdUInt32 revision();
 
  bool getLogMessage(OdUInt32 revision, OdDbHistoryLogRecord& log);
 
  bool setLogMessage(OdUInt32 revision, const OdDbHistoryLogRecord& log);
 
  void getChangedObjects(OdUInt32 revision, OdDbHandleArray& ids);
 
  OdStreamBufPtr getChanges(OdUInt32 revisions, bool rollback = false);
  
  OdDbHandleMap applyChanges(OdStreamBuf* changes, bool bPreserveHandles, OdDbHandleMap* clientMap = 0, OdDbHandleMap* serverMap = 0);
 
  OdUInt32 lastSyncRevision();
  void setLastSyncRevision(OdUInt32);
private:
  friend class OdDbDatabaseImpl;
  OdDbHistoryManager(OdDbDatabaseImpl*);
  OdDbDatabaseImpl* m_pImpl;
};
 
#endif