51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
// Created on: 1994-11-04
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// Created by: Christian CAILLET
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// Copyright (c) 1994-1999 Matra Datavision
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// Copyright (c) 1999-2014 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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#ifndef _Transfer_FindHasher_HeaderFile
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#define _Transfer_FindHasher_HeaderFile
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#include "Standard.hxx"
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#include "Standard_DefineAlloc.hxx"
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#include "Transfer_Finder.hxx"
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#include "Standard_Handle.hxx"
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//! FindHasher defines HashCode for Finder, which is : ask a
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//! Finder its HashCode ! Because this is the Finder itself which
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//! brings the HashCode for its Key
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//!
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//! This class complies to the template given in TCollection by
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//! MapHasher itself
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class Transfer_FindHasher
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{
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public:
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size_t operator()(const Handle(Transfer_Finder)& theFinder) const
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{
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return theFinder->GetHashCode();
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}
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//! Returns True if two keys are the same.
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//! The test does not work on the Finders themselves but by
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//! calling their methods Equates
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bool operator()(const Handle(Transfer_Finder)& theK1, const Handle(Transfer_Finder)& theK2) const
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{
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if (theK1.IsNull())
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return false;
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return theK1->Equates(theK2);
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}
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};
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#endif // _Transfer_FindHasher_HeaderFile
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