1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/loggingservices/eventlogger/LogServ/src/LOGDUP.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,129 @@
     1.4 +// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include "LOGDUP.H"
    1.20 +#include "LOGFILTQ.H"
    1.21 +#include "LOGQUERY.H"
    1.22 +#include "logservpanic.h"
    1.23 +#include "LogServDatabaseTransactionInterface.h"
    1.24 +#include "LogServResourceInterpreter.h"
    1.25 +#include "LogServDatabaseChangeInterface.h"
    1.26 +#include "LogServSqlStrings.h"
    1.27 +
    1.28 +CLogDuplicate::CLogDuplicate(MLogServDatabaseTransactionInterface& aDatabase, TInt aPriority) :
    1.29 +    CLogActive(aPriority), 
    1.30 +    iDatabase(aDatabase)
    1.31 +	{
    1.32 +	}
    1.33 +
    1.34 +CLogDuplicate::~CLogDuplicate()
    1.35 +	{
    1.36 +	Cancel();
    1.37 +	delete iFilterList;
    1.38 +	}
    1.39 +
    1.40 +void CLogDuplicate::ConstructL()
    1.41 +	{
    1.42 +	iFilterList = new(ELeave) CLogFilterList;
    1.43 +	}
    1.44 +
    1.45 +CLogDuplicate* CLogDuplicate::NewL(MLogServDatabaseTransactionInterface& aDatabase, TInt aPriority)
    1.46 +	{
    1.47 +	CLogDuplicate* self = new(ELeave) CLogDuplicate(aDatabase, aPriority);
    1.48 +	CleanupStack::PushL(self);
    1.49 +	self->ConstructL();
    1.50 +	CleanupStack::Pop(self);
    1.51 +	return self;
    1.52 +	}
    1.53 +
    1.54 +TBool CLogDuplicate::StartL(TLogId aId, TLogRecentList aRecentList, const CLogFilter& aFilter, TRequestStatus& aStatus)
    1.55 +	{
    1.56 +	if (aRecentList == KLogNullRecentList)
    1.57 +		return EFalse;
    1.58 +
    1.59 +	iId = aId;
    1.60 +	iRecentList = aRecentList;
    1.61 +	iFilterList->Reset();
    1.62 +	iFilterList->AppendL(&aFilter);
    1.63 +
    1.64 +	Queue(aStatus);
    1.65 +    TRequestStatus* status = &iStatus;
    1.66 +    User::RequestComplete(status, KErrNone);
    1.67 +	SetActive();
    1.68 +	return ETrue;
    1.69 +	}
    1.70 +
    1.71 +void CLogDuplicate::DoRunL()
    1.72 +	{
    1.73 +    RLogDynBuf expr;
    1.74 +    TLogFilterExprBuilder exprBuilder(iDatabase);
    1.75 +    exprBuilder.BuildExprLC(expr, *iFilterList, KLogAnd);
    1.76 +    TheSql.Format(KLogSqlSelectDuplicateString, iRecentList, &expr.DesC(), iId);
    1.77 +    CleanupStack::PopAndDestroy(&expr);
    1.78 +
    1.79 +    RLogDbView view;
    1.80 +    view.PrepareLC(iDatabase.DTIDatabase(), TheSql);
    1.81 +    if(view.FirstL())
    1.82 +        {
    1.83 +        // Begin a transaction
    1.84 +        TBool inTransaction = iDatabase.DTIInTransaction();
    1.85 +        if(!inTransaction)
    1.86 +            {
    1.87 +            iDatabase.DTIBeginWithRollBackProtectionLC();
    1.88 +            }
    1.89 +        // Get column ids
    1.90 +        static TDbColNo idColNo = 0;
    1.91 +        static TDbColNo duplicateColNo = 0;
    1.92 +        if(idColNo == 0)
    1.93 +            {
    1.94 +            CDbColSet* cs = view.ColSetL();
    1.95 +            idColNo = cs->ColNo(KLogFieldIdString);
    1.96 +            duplicateColNo = cs->ColNo(KLogFieldEventDuplicateString);
    1.97 +            delete cs;
    1.98 +            }
    1.99 +        // Iterate through the events
   1.100 +        do
   1.101 +            {
   1.102 +            // Get current event id
   1.103 +            view.GetL();
   1.104 +            const TLogId id = view.ColInt32(idColNo);
   1.105 +            // Set the latest recent?
   1.106 +            if(iId < 0)
   1.107 +                {
   1.108 +                iId = id;
   1.109 +                }
   1.110 +            // Make the change
   1.111 +            view.UpdateL();
   1.112 +            iId == id ? view.SetColNullL(duplicateColNo) : view.SetColL(duplicateColNo, iId); 
   1.113 +            view.PutL();
   1.114 +            // This is a "hidden" change. It may affect the contents of a view, but the actual event hasn't changed
   1.115 +            iDatabase.DTIChangeInterface().DCISubmitChangedEventContextL(ELogChangeTypeEventChangedHidden, id);
   1.116 +            }
   1.117 +        while(view.NextL());
   1.118 +        // Commit changes
   1.119 +        if(!inTransaction)
   1.120 +            {
   1.121 +            iDatabase.DTICommitAndCancelRollbackProtectionL();
   1.122 +            }
   1.123 +        }
   1.124 +    CleanupStack::PopAndDestroy(&view);
   1.125 +	}
   1.126 +
   1.127 +void CLogDuplicate::DoComplete(TInt& aStatus)
   1.128 +	{
   1.129 +	// Ignoring all errors because if an error occurs whilst detecting duplicate events 
   1.130 +	// it should not stop us actually adding the event to the log
   1.131 +	aStatus = KErrNone;
   1.132 +	}