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https://git.dev.opencascade.org/repos/occt.git
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fa04444ba3
Implement functionality to avoid mutex operation and keeping unload data Making Standard_Type own specialized handle to avoid sharing and atomic operations
73 lines
2.8 KiB
C++
73 lines
2.8 KiB
C++
// Copyright (c) 2020 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <BinMDataStd_GenericEmptyDriver.hxx>
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#include <BinMDF_ADriver.hxx>
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#include <BinObjMgt_Persistent.hxx>
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#include <BinObjMgt_RRelocationTable.hxx>
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#include <BinObjMgt_SRelocationTable.hxx>
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#include <Message_Messenger.hxx>
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#include <Standard_Type.hxx>
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#include <TDataStd_GenericEmpty.hxx>
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#include <TDF_Attribute.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(BinMDataStd_GenericEmptyDriver,BinMDF_ADriver)
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//=======================================================================
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//function : BinMDataStd_GenericEmptyDriver
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//purpose :
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//=======================================================================
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BinMDataStd_GenericEmptyDriver::BinMDataStd_GenericEmptyDriver(const Handle(Message_Messenger)& theMsgDriver)
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: BinMDF_ADriver (theMsgDriver, STANDARD_TYPE(TDataStd_GenericEmpty)->Name())
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{}
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//=======================================================================
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//function : NewEmpty
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//purpose :
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//=======================================================================
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Handle(TDF_Attribute) BinMDataStd_GenericEmptyDriver::NewEmpty() const
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{
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return Handle(TDF_Attribute)(); // this attribute can not be created
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}
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//=======================================================================
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//function : SourceType
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//purpose :
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//=======================================================================
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const Handle(Standard_Type)& BinMDataStd_GenericEmptyDriver::SourceType() const
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{
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return STANDARD_TYPE(TDataStd_GenericEmpty);
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}
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//=======================================================================
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//function : Paste
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//purpose : persistent -> transient (retrieve)
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//=======================================================================
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Standard_Boolean BinMDataStd_GenericEmptyDriver::Paste(const BinObjMgt_Persistent&,
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const Handle(TDF_Attribute)&,
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BinObjMgt_RRelocationTable& ) const
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{
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return Standard_True;
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}
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//=======================================================================
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//function : Paste
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//purpose : transient -> persistent (store)
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//=======================================================================
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void BinMDataStd_GenericEmptyDriver::Paste(const Handle(TDF_Attribute)&,
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BinObjMgt_Persistent&,
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BinObjMgt_SRelocationTable& ) const
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{
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}
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