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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _TDF_Transaction_HeaderFile
#define _TDF_Transaction_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _Handle_TDF_Data_HeaderFile
#include <Handle_TDF_Data.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _TCollection_AsciiString_HeaderFile
#include <TCollection_AsciiString.hxx>
#endif
#ifndef _Handle_TDF_Delta_HeaderFile
#include <Handle_TDF_Delta.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
class TDF_Data;
class Standard_DomainError;
class Standard_NullObject;
class TDF_Delta;
class TCollection_AsciiString;
//! This class offers services to open, commit or <br>
//! abort a transaction in a more secure way than <br>
//! using Data from TDF. If you forget to close a <br>
//! transaction, it will be automaticaly aborted at <br>
//! the destruction of this object, at the closure of <br>
//! its scope. <br>
//! <br>
//! In case of catching errors, the effect will be the <br>
//! same: aborting transactions until the good current <br>
//! one. <br>
class TDF_Transaction {
public:
void* operator new(size_t,void* anAddress)
{
return anAddress;
}
void* operator new(size_t size)
{
return Standard::Allocate(size);
}
void operator delete(void *anAddress)
{
if (anAddress) Standard::Free((Standard_Address&)anAddress);
}
//! Creates an empty transaction context, unable to be <br>
//! opened. <br>
Standard_EXPORT TDF_Transaction(const TCollection_AsciiString& aName = "");
//! Creates a transaction context on <aDF>, ready to <br>
//! be opened. <br>
Standard_EXPORT TDF_Transaction(const Handle(TDF_Data)& aDF,const TCollection_AsciiString& aName = "");
//! Aborts all the transactions on <myDF> and sets <br>
//! <aDF> to build a transaction context on <aDF>, <br>
//! ready to be opened. <br>
Standard_EXPORT void Initialize(const Handle(TDF_Data)& aDF) ;
//! If not yet done, opens a new transaction on <br>
//! <myDF>. Returns the index of the just opened <br>
//! transaction. <br>
//! <br>
//! It raises DomainError if the transaction is <br>
//! already open, and NullObject if there is no <br>
//! current Data framework. <br>
Standard_EXPORT Standard_Integer Open() ;
//! Commits the transactions until AND including the <br>
//! current opened one. <br>
Standard_EXPORT Handle_TDF_Delta Commit(const Standard_Boolean withDelta = Standard_False) ;
//! Aborts the transactions until AND including the <br>
//! current opened one. <br>
//! <br>
Standard_EXPORT void Abort() ;
~TDF_Transaction()
{
Abort();
}
//! Returns the Data from TDF. <br>
//! <br>
Handle_TDF_Data Data() const;
//! Returns the number of the transaction opened by <me>. <br>
//! <br>
Standard_Integer Transaction() const;
//! Returns the transaction name. <br>
//! <br>
Standard_EXPORT const TCollection_AsciiString& Name() const;
//! Returns true if the transaction is open. <br>
//! <br>
Standard_Boolean IsOpen() const;
protected:
private:
//! Private to avoid copy. <br>
Standard_EXPORT TDF_Transaction(const TDF_Transaction& aTrans);
Handle_TDF_Data myDF;
Standard_Integer myUntilTransaction;
TCollection_AsciiString myName;
};
#include <TDF_Transaction.lxx>
// other Inline functions and methods (like "C++: function call" methods)
#endif
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