metadataengine/client/src/mdequeryimpl.cpp
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/*
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* Copyright (c) 2005-2009 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:  Implementation of object, relation and event query
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*
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*/
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#include "mdequeryimpl.h"
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#include "mdesessionimpl.h"
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#include "mdeasynchronousfindao.h"
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#include "mdeobject.h"
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#include "mderelation.h"
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#include "mdeevent.h"
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CMdEObjectQueryImpl* CMdEObjectQueryImpl::NewL( CMdESessionImpl& aSessionImpl,
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		CMdENamespaceDef& aNamespaceDef, CMdEObjectDef& aObjectDef,
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		RPointerArray<CMdEObjectDef>* aObjectDefs, RMdEEngineSession& aSession )
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	{
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	CMdEObjectQueryImpl* self = CMdEObjectQueryImpl::NewLC( aSessionImpl, aNamespaceDef, 
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			aObjectDef, aObjectDefs, aSession );
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    CleanupStack::Pop( self );
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    return self;
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	}
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CMdEObjectQueryImpl* CMdEObjectQueryImpl::NewLC( CMdESessionImpl& aSessionImpl,
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		CMdENamespaceDef& aNamespaceDef, CMdEObjectDef& aObjectDef,
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		RPointerArray<CMdEObjectDef>* aObjectDefs, RMdEEngineSession& aSession  )
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	{
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	CMdEObjectQueryImpl* self = new ( ELeave ) CMdEObjectQueryImpl( aSessionImpl, aNamespaceDef, 
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			aObjectDef, aObjectDefs );
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    CleanupStack::PushL( self );
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    self->ConstructL( aSessionImpl, aSession );
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    return self;
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	}
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CMdEObjectQueryImpl::CMdEObjectQueryImpl( 
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		CMdESessionImpl& aSessionImpl, CMdENamespaceDef& aNamespaceDef, 
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		CMdEObjectDef& aObjectDef, RPointerArray<CMdEObjectDef>* aObjectDefs )
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    : CMdEObjectQuery( aSessionImpl, aNamespaceDef, aObjectDef, aObjectDefs )
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    {
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    }
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void CMdEObjectQueryImpl::ConstructL( CMdESessionImpl& aSessionImpl,
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    RMdEEngineSession& aSession )
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    {
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    ObjectQueryConstructL();
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    iAsyncFind = CMdEAsynchronousFindAO::NewL( *this, aSessionImpl, aSession );
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    }
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CMdEObjectQueryImpl::~CMdEObjectQueryImpl()
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    {
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    if( iAsyncFind )
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    	{    	
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    	iAsyncFind->Cancel();
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    	delete iAsyncFind;
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    	iAsyncFind = NULL;
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    	}
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    }
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void CMdEObjectQueryImpl::DoFindL( TUint aMaxCount, TUint aNotifyCount )
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    {
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    iAsyncFind->DoFindL( aMaxCount, aNotifyCount );
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    SetState( EStateSearching );
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    }
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void CMdEObjectQueryImpl::DoCancel()
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    {
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    // Stop searching.
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    iAsyncFind->Cancel();
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    SetState( EStateError );
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    }
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void CMdEObjectQueryImpl::DoNotifyResultsL( RPointerArray<CMdEInstanceItem>& aResultList )
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    {
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    NotifyNewResultsL( aResultList );
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    }
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void CMdEObjectQueryImpl::DoNotifyResultsL( RArray<TItemId>& aResultIdList )
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    {
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    NotifyNewResultsL( aResultIdList );
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    }
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void CMdEObjectQueryImpl::DoNotifyResultsL( CDesCArray& aResults )
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	{
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	NotifyNewResultsL( aResults );
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	}
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void CMdEObjectQueryImpl::DoNotifyResults( TInt aResultCount )
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    {
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    NotifyNewResults( aResultCount );
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    }
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void CMdEObjectQueryImpl::DoNotifyCompleted( TInt aError )
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    {
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    SetState( aError ? EStateError : EStateCompleted );
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    NotifyCompleted( aError );
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    }
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CMdERelationQueryImpl* CMdERelationQueryImpl::NewL( CMdESessionImpl& aSessionImpl,
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		CMdENamespaceDef& aNamespaceDef, RMdEEngineSession& aSession )
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	{
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	CMdERelationQueryImpl* self = CMdERelationQueryImpl::NewLC( aSessionImpl,
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			aNamespaceDef, aSession );
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    CleanupStack::Pop( self );
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    return self;
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	}
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CMdERelationQueryImpl* CMdERelationQueryImpl::NewLC( CMdESessionImpl& aSessionImpl,
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		CMdENamespaceDef& aNamespaceDef, RMdEEngineSession& aSession )
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	{
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	CMdERelationQueryImpl* self = new ( ELeave ) CMdERelationQueryImpl( aSessionImpl, aNamespaceDef );
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    CleanupStack::PushL( self );
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    self->ConstructL( aSessionImpl, aSession );
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    return self;
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	}
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CMdERelationQueryImpl::CMdERelationQueryImpl( CMdESessionImpl& aSessionImpl, CMdENamespaceDef& aNamespaceDef )
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    : CMdERelationQuery( aSessionImpl, aNamespaceDef )
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    {
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    }
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void CMdERelationQueryImpl::ConstructL( CMdESessionImpl& aSessionImpl,
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    RMdEEngineSession& aSession )
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    {
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    RelationQueryConstructL();
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    iAsyncFind = CMdEAsynchronousFindAO::NewL( *this, aSessionImpl, aSession );
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    }
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CMdERelationQueryImpl::~CMdERelationQueryImpl()
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    {
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	delete iAsyncFind;
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	iAsyncFind = NULL;
0
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    }
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void CMdERelationQueryImpl::DoFindL( TUint aMaxCount, TUint aNotifyCount )
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    {
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    iAsyncFind->DoFindL( aMaxCount, aNotifyCount );
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    SetState( EStateSearching );
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    }
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void CMdERelationQueryImpl::DoCancel()
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    {
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    // Stop searching.
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    iAsyncFind->Cancel();
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    SetState( EStateError );
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    }
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void CMdERelationQueryImpl::DoNotifyResultsL( RPointerArray<CMdEInstanceItem>& aResultList )
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    {
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    NotifyNewResultsL( aResultList );
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    }
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void CMdERelationQueryImpl::DoNotifyResultsL( RArray<TItemId>& aResultIdList )
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    {
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    NotifyNewResultsL( aResultIdList );
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    }
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void CMdERelationQueryImpl::DoNotifyResults( TUint32 aResultCount )
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    {
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    NotifyNewResults( aResultCount );
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    }
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void CMdERelationQueryImpl::DoNotifyCompleted( TInt aError )
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    {
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    SetState( aError ? EStateError : EStateCompleted );
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    NotifyCompleted( aError );
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    }
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CMdEEventQueryImpl::CMdEEventQueryImpl( CMdESessionImpl& aSessionImpl, CMdENamespaceDef& aNamespaceDef )
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    : CMdEEventQuery( aSessionImpl, aNamespaceDef )
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    {
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    }
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CMdEEventQueryImpl* CMdEEventQueryImpl::NewL( CMdESessionImpl& aSessionImpl,
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		CMdENamespaceDef& aNamespaceDef, RMdEEngineSession& aSession )
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	{
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	CMdEEventQueryImpl* self = CMdEEventQueryImpl::NewLC( aSessionImpl,
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			aNamespaceDef, aSession );
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    CleanupStack::Pop( self );
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    return self;
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	}
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CMdEEventQueryImpl* CMdEEventQueryImpl::NewLC( CMdESessionImpl& aSessionImpl,
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		CMdENamespaceDef& aNamespaceDef, RMdEEngineSession& aSession )
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	{
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	CMdEEventQueryImpl* self = new ( ELeave ) CMdEEventQueryImpl( aSessionImpl, aNamespaceDef );
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    CleanupStack::PushL( self );
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    self->ConstructL( aSessionImpl, aSession );
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    return self;
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	}
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void CMdEEventQueryImpl::ConstructL( CMdESessionImpl& aSessionImpl,
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    RMdEEngineSession& aSession )
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    {
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    EventQueryConstructL();
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    iAsyncFind = CMdEAsynchronousFindAO::NewL( *this, aSessionImpl, aSession );
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    }
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CMdEEventQueryImpl::~CMdEEventQueryImpl()
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    {
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	delete iAsyncFind;
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	iAsyncFind = NULL;
0
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    }
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void CMdEEventQueryImpl::DoFindL( TUint aMaxCount, TUint aNotifyCount )
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    {
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    iAsyncFind->DoFindL( aMaxCount, aNotifyCount );
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    SetState( EStateSearching );
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    }
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void CMdEEventQueryImpl::DoCancel()
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    {
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    // Stop searching.
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    iAsyncFind->Cancel();
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    SetState( EStateError );
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    }
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void CMdEEventQueryImpl::DoNotifyResultsL( RPointerArray<CMdEInstanceItem>& aResultList )
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    {
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    NotifyNewResultsL( aResultList );
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    }
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void CMdEEventQueryImpl::DoNotifyResultsL( RArray<TItemId>& aResultIdList )
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    {
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    NotifyNewResultsL( aResultIdList );
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    }
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void CMdEEventQueryImpl::DoNotifyResults( TUint32 aResultCount )
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    {
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    NotifyNewResults( aResultCount );
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    }
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void CMdEEventQueryImpl::DoNotifyCompleted( TInt aError )
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    {
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    SetState( aError ? EStateError : EStateCompleted );
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    NotifyCompleted( aError );
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    }