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/*
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* Implements an interface to perform asynchronous database operations.
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*
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*/
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/**
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@file
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@internalTechnology
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@released
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*/
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#include "upsdbw.h"
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using namespace UserPromptService;
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CDecisionDbCompactor::CDecisionDbCompactor():CActive(EPriorityStandard)
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/**
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Constructor.
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*/
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{
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CActiveScheduler::Add(this);
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}
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CDecisionDbCompactor::~CDecisionDbCompactor()
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/**
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Destructor
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*/
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{
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iDbIncremental.Close();
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Deque();
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}
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CDecisionDbCompactor* CDecisionDbCompactor::NewLC()
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/**
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@return A pointer to the newly allocated compactor object, if creation is successful.
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The pointer is also put onto the cleanup stack.
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*/
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{
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CDecisionDbCompactor *self = new(ELeave) CDecisionDbCompactor();
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CleanupStack::PushL(self);
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return self;
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}
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EXPORT_C void CDecisionDbCompactor::Compact(TRequestStatus& aStatus)
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/**
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Performs the asynchronous compaction of the decision database, returning immediately
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and signalling the request status when the operation is fully complete.
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@param aStatus The request status used to contain completion information for the function.
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On completion, the status value should be interpreted as follows:
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0, compaction is complete.< 0, an error code.
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*/
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{
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__ASSERT_ALWAYS(!IsActive(), User::Panic(KDecisionViewPanic,KErrInUse));
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aStatus = KRequestPending;
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iClientStatus = &aStatus;
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if(iStep() > 0)
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{
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iDbIncremental.Next(iStep, iStatus);
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SetActive();
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}
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else
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{
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iDbIncremental.Close();
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User::RequestComplete(iClientStatus,KErrNone);
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}
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}
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void CDecisionDbCompactor::DoCancel()
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//From CActive
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{
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iDbIncremental.Close();
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if (iClientStatus)
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{
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User::RequestComplete(iClientStatus, KErrCancel);
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}
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}
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TInt CDecisionDbCompactor::RunError(TInt aError)
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//From CActive
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{
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if (iClientStatus)
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{
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User::RequestComplete(iClientStatus, aError);
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}
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return KErrNone;
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}
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void CDecisionDbCompactor::RunL()
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//From CActive
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{
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TInt status = iStatus.Int();
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User::LeaveIfError(status);
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if(iStep() > 0)
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{
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iDbIncremental.Next(iStep, iStatus);
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SetActive();
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}
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else
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{
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iDbIncremental.Close();
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User::RequestComplete(iClientStatus,status);
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}
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}
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