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48 lines
2.2 KiB
C++
48 lines
2.2 KiB
C++
// Created on: 2002-04-23
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// Created by: Alexander KARTOMIN (akm)
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// Copyright (c) 2002-2014 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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// Purpose: Single hashed Map. This Map is used to store and
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// retrieve keys in linear time.
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// The ::Iterator class can be used to explore the
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// content of the map. It is not wise to iterate and
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// modify a map in parallel.
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// To compute the hashcode of the key the function
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// ::HashCode must be defined in the global namespace
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// To compare two keys the function ::IsEqual must be
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// defined in the global namespace.
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// The performance of a Map is conditioned by its
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// number of buckets that should be kept greater to
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// the number of keys. This map has an automatic
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// management of the number of buckets. It is resized
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// when the number of Keys becomes greater than the
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// number of buckets.
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// If you have a fair idea of the number of objects
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// you can save on automatic resizing by giving a
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// number of buckets at creation or using the ReSize
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// method. This should be consider only for crucial
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// optimisation issues.
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#ifndef NCollection_DefineMap_HeaderFile
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#define NCollection_DefineMap_HeaderFile
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#include <NCollection_Map.hxx>
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// *********************************************** Class Map *****************
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#define DEFINE_MAP(_ClassName_, _BaseCollection_, TheKeyType) \
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typedef NCollection_Map <TheKeyType > _ClassName_;
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#endif
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