Source code of Windows XP (NT5)
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4.5 KiB

//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1991 - 2000.
//
// File: FRETEST.CXX
//
// Contents: Fresh test object
//
// Classes: CFreshTest
//
// History: 01-Oct-91 BartoszM Created.
// 17-Oct-91 BartoszM Reimplemented using hash table
//
//----------------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include "fretest.hxx"
#include "fresh.hxx"
//+---------------------------------------------------------------------------
//
// Member: CFreshTest::CFreshTest, public
//
// Arguments: [size] -- initial # of entries
//
// History: 08-Oct-91 BartoszM Created.
//
//----------------------------------------------------------------------------
CFreshTest::CFreshTest ( unsigned size )
: _refCount(0),
_freshTable(size),
_cDeletes( 0 )
{
}
//+---------------------------------------------------------------------------
//
// Member: CFreshTest::CFreshTest, public
//
// Synopsis: Pseudo copy constructor
// Substitutes old index id's with new iid
//
// Arguments: [freshTest] -- fresh test
// [subst] -- index subst object
//
// History: 15-Oct-91 BartoszM Created.
//
//----------------------------------------------------------------------------
CFreshTest::CFreshTest ( CFreshTest& freshTest, CIdxSubstitution& subst)
: _refCount(0),
_freshTable ( freshTest._freshTable, subst ),
_cDeletes( freshTest._cDeletes )
{
}
//+---------------------------------------------------------------------------
//
// Function: CFreshTest::CFreshTest
//
// Synopsis: Copy ~ctor
//
// History: 7-19-94 srikants Created
//
// Notes: Having a default copy constructor is dangerous for a
// unwindable object because it does not get delinked from
// the exception stack in the absence of an END_CONSTRUCTION
// macro at the end of the constructor.
//
//----------------------------------------------------------------------------
CFreshTest::CFreshTest( CFreshTest& freshTest )
: _refCount(0),
_freshTable(freshTest._freshTable),
_cDeletes( freshTest._cDeletes )
{
}
//+---------------------------------------------------------------------------
//
// Member: CFreshTest::IsCorrectIndex
//
// Synopsis: Checks if the index <-> wid pid association is fresh.
// If entry not found, (wid, pidAll) is tried.
//
// Arguments: [iid] -- index id
// [wid] -- work id
//
// Returns: Shadow if (wid) most recent index is iid
// or Master if (wid) not found (meaning: master index)
// Invalid if (wid) has a more recent iid
// or the the property has been deleted.
//
// History: 16-May-91 BartoszM Created.
//
// Notes: When the document is deleted, the entry
// will contain iidDeleted, wich does not
// match any valid index id.
//
//----------------------------------------------------------------------------
CFreshTest::IndexSource CFreshTest::IsCorrectIndex ( INDEXID iid,
WORKID wid )
{
ciDebugOut (( DEB_FRESH, " -- testing iid %lx <-> wid %ld\n", iid, wid));
CFreshItem* pEntry = _freshTable.Find ( wid );
if ( pEntry == 0 )
{
#if CIDBG == 1
CIndexId indexId(iid);
Win4Assert( indexId.IsPersistent() );
ciDebugOut (( DEB_FRESH, "fresh entry not found\n" ));
#endif // CIDBG == 1
// not found -> must be master index
return CFreshTest::Master;
}
ciDebugOut (( DEB_FRESH, " -- FreshTest found entry\n" ));
INDEXID iidFresh = pEntry->IndexId();
if ( iidFresh == iid )
return CFreshTest::Shadow;
#if CIDBG == 1
//
// If we hit this assert, put this code back in
//
if ( iidFresh == iidInvalid )
{
Win4Assert( !"Unexpected behavior in FreshTest. email searchdv" );
ciDebugOut (( DEB_WARN,
"FreshTest::found invalid index id\n" ));
PatchEntry ( pEntry, iid );
return CFreshTest::Unknown;
}
#endif // CIDBG == 1
ciDebugOut (( DEB_FRESH, " -- FreshTest different iid %lx\n", iidFresh ));
return CFreshTest::Invalid;
} //IsCorrectIndex