/*
* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Identifies a contact in cache pools
*
*/
#ifndef C_PCS_ALGORITHM_2_MULTI_SEARCH_HELPER
#define C_PCS_ALGORITHM_2_MULTI_SEARCH_HELPER
// SYSTEM INCLUDES
#include <e32cmn.h>
#include <e32math.h>
// USER INCLUDES
#include "CPsData.h"
#include "CPcsCache.h"
#include "CPcsKeyMap.h"
#include "CPsQuery.h"
#include "CPcsAlgorithm2.h"
#include "CPcsDebug.h"
#include "CPcsKeyMap.h"
#include "CPsQueryItem.h"
#include "CPcsPoolElement.h"
#include "CWords.h"
#include "CPcsAlgorithm2FilterHelper.h"
// FORWARD DECLARATION
class CPcsAlgorithm2;
class CPsData;
class CPsQuery;
class TMultiSearchMap;
#define MAX_DATA_FIELDS 8
// CLASS DECLARATION
class CPcsAlgorithm2MultiSearchHelper : public CBase
{
public:
/**
* Two phase construction
*/
static CPcsAlgorithm2MultiSearchHelper* NewL(CPcsAlgorithm2* aAlgorithm);
/**
* Destructor
*/
virtual ~CPcsAlgorithm2MultiSearchHelper();
private:
/**
* Filter subset results for multi query mode.
*/
void FilterResultsMultiL(CPcsAlgorithm2FilterHelper* aAlgorithmFilterHelper,
RPointerArray<CPcsPoolElement>& aSearchSet,
RPointerArray<CPsQuery>& aSearchQuery,
TUint8 aFilteredDataMatch,
TBool aIsGroupSearch,
const RArray<TInt>& aContactsInGroup);
public:
/**
* Search Function for multi query
* Initials search feature
*/
void SearchMultiL(const CPsSettings& aSettings,
RPointerArray<CPsQuery>& aQuery,
TBool aIsGroupSearch,
const RArray<TInt>& aContactsInGroup,
RPointerArray<CPsData>& aSearchResults,
RPointerArray<CPsPattern>& aSearchSeqs);
/**
* Funtion to Search matching sequences for multi query
*/
void SearchMatchSeqMultiL(RPointerArray<CPsQuery>& aPsQuery,
const TDesC& aData,
RPointerArray<TDesC>& aMatchSet,
RArray<TPsMatchLocation>& aMatchLocation);
private:
/**
* Set the bits corresponding to word matches
*
* @param aIndex Index of data element
* @param aPosition Word matched for predictive search
*/
void SetWordMap(TInt aIndex, TInt aPosition);
/**
* Checks if data at data index and word at word index
* is matched for predictive search
*
* @param aDataIndex Index of data element
* @param aWordIndex Word index
* @return TRUE if word matched else FALSE
*/
TBool IsWordMatch(TInt aDataIndex, TInt aWordIndex);
/**
* Resets iWordMatches member variable
*/
void ClearWordMatches();
public:
/**
* Utility function that counts no of bit set in 32 bit number
*/
TInt BitsSet32(TUint32 aData);
/**
* Utility function to split the query into multiple queries
*/
RPointerArray<CPsQuery> MultiQueryL(CPsQuery& aQuery);
private:
/**
* Constructor
*/
CPcsAlgorithm2MultiSearchHelper();
/**
* 2nd phase construtor
*/
void ConstructL(CPcsAlgorithm2* aAlgorithm);
private:
/**
* Pointer to algorithm instance. Not owned.
*/
CPcsAlgorithm2* iAlgorithm;
/**
* Pointer to key map instance. Not owned.
*/
CPcsKeyMap* iKeyMap;
/**
* Array of result sets from different data stores.
*/
typedef RPointerArray<CPsData> CPSDATA_R_PTR_ARRAY;
RPointerArray<CPSDATA_R_PTR_ARRAY> iMultiSearchResultsArr;
/**
* Array of word macthes.
*/
TUint8 iWordMatches[MAX_DATA_FIELDS];
/**
* Counter of the matched contacts
*/
TInt iMaxCount;
};
#endif // C_PCS_ALGORITHM_2_MULTI_SEARCH_HELPER