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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 "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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// Implementation of CFilteringActiveScheduler and CActiveRetriever
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//
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//
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/**
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@file
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*/
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#include "cctsyactiveretriever.h"
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TInt CActiveRetriever::iSimultaneousRetrieveRequestsNumber(0);
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//----------------------------------------------------------------------------
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// Implementation of CFilteringActiveScheduler
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//----------------------------------------------------------------------------
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CFilteringActiveScheduler::~CFilteringActiveScheduler()
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{
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iRetrievers.Reset();
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}
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//
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void CFilteringActiveScheduler::AddRetrieverL(CActiveRetriever& aRetriever)
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{
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iRetrievers.AppendL(&aRetriever);
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}
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//
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void CFilteringActiveScheduler::StartScheduler()
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{
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for (TInt i = 0; i<iRetrievers.Count(); i++)
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{
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if (iRetrievers[i]->IsActive())
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{
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// only if there is Active Retriever then actually starts Scheduler
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return CActiveScheduler::Start();
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}
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}
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}
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//
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void CFilteringActiveScheduler::WaitForAnyRequest()
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{
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do
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{
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CActiveScheduler::WaitForAnyRequest();
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}
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while (!IsOneOfMyRequestsComplete()); // WaitForAnyRequest while one of my requests is not complete
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}
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// check whether thera is any Retriever's request complete
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TBool CFilteringActiveScheduler::IsOneOfMyRequestsComplete()
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{
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TBool ret(EFalse);
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for (TInt i = 0; i<iRetrievers.Count() && !ret; i++)
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{
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if (iRetrievers[i]->IsRequestComplete())
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{
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ret = ETrue;
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iRetrievers[i]->PerformCancelIfNeeded();
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}
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}
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return ret;
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}
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//----------------------------------------------------------------------------
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// Implementation of CActiveRetriever
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//----------------------------------------------------------------------------
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CActiveRetriever* CActiveRetriever::
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NewLC(CAsyncRetrieveVariableLengthBufferV2& aAsynchRetrieveBuffer)
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{
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CActiveRetriever* self = new (ELeave) CActiveRetriever(aAsynchRetrieveBuffer);
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CleanupStack::PushL(self);
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return self;
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}
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//
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CActiveRetriever* CActiveRetriever::
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NewL(CAsyncRetrieveVariableLengthBufferV2& aAsynchRetrieveBuffer)
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{
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return new (ELeave) CActiveRetriever(aAsynchRetrieveBuffer);
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}
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//
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CActiveRetriever::CActiveRetriever(CAsyncRetrieveVariableLengthBufferV2& aAsynchRetrieveBuffer) :
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CActive(EPriorityStandard),
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iAsynchRetrieveBuffer(aAsynchRetrieveBuffer),
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iTestCase(ECaseNotSpecified),
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iPhase1Passed(EFalse)
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{
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CActiveScheduler::Add(this);
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}
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//
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CActiveRetriever::~CActiveRetriever()
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{
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Cancel();
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}
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//
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TBool CActiveRetriever::IsRequestComplete()
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{
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TBool ret(EFalse);
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if ( ( AsynchRetrieveBuffer().IsActive() &&
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AsynchRetrieveBuffer().iStatus!=KRequestPending ) ||
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( IsActive() && iStatus!=KRequestPending) )
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{
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ret = ETrue;
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}
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return ret;
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}
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//
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void CActiveRetriever::PerformCancelIfNeeded()
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{
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if ( AsynchRetrieveBuffer().IsActive() &&
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AsynchRetrieveBuffer().iStatus!=KRequestPending )
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{
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switch(TestCase())
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{
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case CActiveRetriever::ECasePhase2Cancel:
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if ( ! Phase1Passed() ) // cancel request after passing of 1st phase
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{
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SetPhase1Passed(ETrue);
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break;
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}
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case CActiveRetriever::ECasePhase1Cancel:
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AsynchRetrieveBuffer().Cancel();
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SetTestCase(CActiveRetriever::ECaseNotSpecified);
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break;
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case CActiveRetriever::ECaseNotSpecified:
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default:
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break;
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}
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}
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}
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// resets pending requests number, STATIC
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TInt CActiveRetriever::ResetRequestsNumber()
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{
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TInt ret(iSimultaneousRetrieveRequestsNumber);
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iSimultaneousRetrieveRequestsNumber = 0;
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return ret;
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}
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//
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TRequestStatus& CActiveRetriever::Status()
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{
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return iStatus;
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}
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// AO's request function with test case parameter
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void CActiveRetriever::Activate(TTestCase aTestCase)
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{
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if ( ECaseGeneralCancelCase != aTestCase )
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{
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iTestCase = aTestCase;
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iSimultaneousRetrieveRequestsNumber++;
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SetActive();
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}
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else
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{
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iAsynchRetrieveBuffer.Cancel();
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iTestCase = ECaseNotSpecified;
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}
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}
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//
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void CActiveRetriever::RunL()
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{
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DoComplete(); // stops the Scheduler
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}
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//
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void CActiveRetriever::DoCancel()
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{
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if (IsActive())
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{
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iAsynchRetrieveBuffer.Cancel();
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DoComplete();
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}
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}
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//
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CActive& CActiveRetriever::AsynchRetrieveBuffer()
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{
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return iAsynchRetrieveBuffer;
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}
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//
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void CActiveRetriever::SetTestCase(CActiveRetriever::TTestCase aCase)
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{
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iTestCase = aCase;
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}
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//
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CActiveRetriever::TTestCase CActiveRetriever::TestCase()
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{
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return iTestCase;
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}
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//
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void CActiveRetriever::SetPhase1Passed(TBool aPassed)
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{
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iPhase1Passed = aPassed;
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}
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//
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TBool CActiveRetriever::Phase1Passed()
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{
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return iPhase1Passed;
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}
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//
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void CActiveRetriever::DoComplete()
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{
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if (!(--iSimultaneousRetrieveRequestsNumber))
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{
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CActiveScheduler::Stop();
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}
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}
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