106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 1992.
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//
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// File: FRESHLOG.HXX
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//
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// Contents: Fresh persistent log classes
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//
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// Classes: CPersRec, CPersStream, SPersStream, CPersFresh, CPersFreshTrans
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//
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// History: 93-Nov-15 DwightKr Created.
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//
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//----------------------------------------------------------------------------
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#pragma once
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#ifdef DISPLAY_INCLUDES
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#pragma message( "#include <" __FILE__ ">..." )
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#endif
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#include <xact.hxx>
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#include <pstore.hxx>
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class CFreshTable;
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class SRcovStorageObj;
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class CPartList;
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//+-------------------------------------------------------------------------
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//
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// Class: CPersRec
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//
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// Synopsis: Records written to CPersLog and CPersSnap objects to track
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// changes to the presistent indexes.
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//
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// History: 93-Nov-15 DwightKr Created
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//
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//--------------------------------------------------------------------------
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#include <pshpack4.h>
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class CPersRec
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{
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public:
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CPersRec( WORKID wid, INDEXID iid ) { _wid = wid; _iid = iid; }
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WORKID GetWorkID() { return _wid; }
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INDEXID GetIndexID() { return _iid; }
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private:
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WORKID _wid; // WorkID in record
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INDEXID _iid; // IndexID in record
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};
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#include <poppack.h>
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//+-------------------------------------------------------------------------
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//
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// Class: CPersFresh
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//
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// Synopsis: Keeps track of the persistant log in the freshlist
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//
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// History: 93-Nov-15 DwightKr Created
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// 94-Sep-07 Srikants Modified Load and ctor
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//
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//--------------------------------------------------------------------------
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class CIdxSubstitution;
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class CPersFresh
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{
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public:
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inline CPersFresh( PStorage & storage, CPartList & partList );
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ULONG GetPersRecCount();
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void LokEmpty();
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void LoadFreshTest( CFreshTable & freshTable );
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void LokCompactLog( SRcovStorageObj & persFreshLog,
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CFreshTableIter & iter,
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CIdxSubstitution& subst);
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private:
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PStorage & _storage; // Storage containing CPersFresh
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CPartList & _partList;
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CPersFresh::CPersFresh, public
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//
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// Synopsis: Constructor.
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//
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// Arguments: [storage] -- storage containing this CPersFresh
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//
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// History: 93-Nov-15 DwightKr Created.
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//
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//----------------------------------------------------------------------------
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CPersFresh::CPersFresh( PStorage & storage, CPartList & partList )
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: _storage(storage), _partList(partList)
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{
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}
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