author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 00:07:46 +0300 | |
changeset 17 | 38bbf2dcd608 |
parent 16 | 5723da102db1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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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* Description: Manipulate Interface of Internet Radio Database |
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* |
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*/ |
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#ifndef IRDB_H_ |
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#define IRDB_H_ |
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#include <QSqlDatabase> |
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typedef unsigned char IRDBCHAR; |
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class QSqlQuery; |
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class QMutex; |
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class IRDBWrapper; |
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class IRDB |
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{ |
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public: |
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/* |
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* create singleton instance or increase reference count; |
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*/ |
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static IRDB* getInstance(); |
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/* |
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* release instance or decrease reference count; |
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*/ |
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void releaseInstance(); |
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public: |
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/* |
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* destory Internet Radio database, |
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* It will remove the IR database file from disk. |
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* this interface is reserved for future use. |
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*/ |
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bool destoryIRDB(); |
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|
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/* |
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* create internet Radio database |
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* It will create the IR database file in disk. |
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* If createIRDB return false, the instance point of IRDB will be released and set to null; |
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*/ |
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bool createIRDB(); |
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public: |
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/* |
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* action is invoked from view of playHistory or search; |
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* INSERT/UPDATE row; |
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* manipulation for multiple tables; |
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* for row has a channelid value; |
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* First, this function will insert a row in IRBuff table; |
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* then INSERT/UPDATE this row to searchRlt and channelHistory table, |
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* next above operations will trigger other actions for manipulation other tables in IRDB. |
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* channelId is mandatory paramter. |
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*/ |
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IRDBCHAR chgRowIRDB(const QString& aInsSqlStr, |
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const QString& aUpdSqlStr, |
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const uint& channelId, |
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const QString& aCondSqlStr, |
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const QList<QByteArray>* apImgList = NULL, |
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const int logoType = 0, |
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bool bPreHandle = false); |
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/* |
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* action is invoked from view of go to station; |
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* INSERT/UPDATE row; |
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* manipulation for multiple tables; |
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* for no channelid |
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* new channelId will be allocated for this row if condStr == NULL; |
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* or |
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* A exist channelId will be used for this row, this exist channelId is gotten according to condStr |
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* AND this channelId isNOT iSDS's channelID; |
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*/ |
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IRDBCHAR chgRowIRDB(QString aInsSqlStr, |
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QString aUpdSqlStr, |
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uint* const cidRet = NULL, |
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const QString& condStr = NULL, |
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const QString& condUserCidStr = NULL, |
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const QList<QByteArray>* apImgList = NULL, |
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const int logoType = 0); |
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|
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/* |
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* this fuction is used while synchronization data with iSDS side; |
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* INSERT/UPDATE row; |
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* manipulation for multiple tables; |
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* for row has a channelid value, |
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* update rows that are storged in channelInfo, advertisement, and img tables; |
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* about urls for channelId, |
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* we need to call <EIRDB insertUrlInfo(const QStringList&) const> after this function call if there is urls updated. |
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* TBD |
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*/ |
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IRDBCHAR updateChannelDetailsIRDB(const QString& aInsSqlStr, |
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const QString& aUpdSqlStr, |
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const uint& channelId) |
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{ |
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Q_UNUSED(aInsSqlStr); |
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Q_UNUSED(aUpdSqlStr); |
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Q_UNUSED(channelId); |
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return (IRDBCHAR)0; |
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}; |
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|
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public: |
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/* |
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* INSERT/UPDATE row; |
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* manipulation for single table, songHistory table; |
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* the song name is used as the criterion. |
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*/ |
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IRDBCHAR chgRowSongHistory(const QString& aInsSqlStr, |
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const QString& aUpdSqlStr, |
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const QString& aSongName, |
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const QString& aCondSqlStr = NULL, |
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const uint& channelId = 0); |
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|
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/* |
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* INSERT/UPDATE row; |
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* for change(update/insert) data in favorites, |
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* channelId is used as criterion |
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*/ |
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IRDBCHAR chgRowFavorites(const QString& aInsSqlStr, |
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const QString& aUpdSqlStr, |
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const uint& channelId, |
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bool& bNewRow); |
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|
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/* |
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* TBD |
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*/ |
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IRDBCHAR chgAdvertisement(const QString& aInsSqlStr, |
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const QString& aUpdSqlStr, |
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const uint& channelId) |
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{ |
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Q_UNUSED(aInsSqlStr); |
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Q_UNUSED(aUpdSqlStr); |
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Q_UNUSED(channelId); |
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|
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return (IRDBCHAR)0; |
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} |
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|
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public: |
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/* |
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* INSERT/DELETE row, in urlInfo table; |
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* step: |
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* 1/ first delete all the rows whose channelID equals to input channelId, |
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* 2/ insert all the rows belonged to one channelId to urlinfo |
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*/ |
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IRDBCHAR resetUrlInfo(const QStringList& aInsSqlList, |
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const uint& channelId); |
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|
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/* |
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* only update channelLatestplaytime in channelHistory table for recently play |
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*/ |
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IRDBCHAR updRowChannelHistory(const uint& channelId); |
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|
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/* |
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* only update imgUrl, imgLocalFile in img table; |
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*/ |
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IRDBCHAR updRowImg(const uint& channelId, |
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const QString& updSqlStr, |
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QList<QByteArray>* apImgList = NULL, |
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const int logotype = 0); |
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|
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public: |
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/* |
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* handle request from search view; |
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* aSqlList, sql string list, this list is provided by wrapper level; |
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* bBegin, if bBeging is true,it will invoke the operation of open db's connection. |
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*/ |
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IRDBCHAR handleRstFromSrhView(const uint& channelId, const QStringList& aSqlList, bool bBegin=true); |
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|
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/* |
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* call this function after call handleRstFromSrhView; |
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*/ |
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void closeIRDBConnection(); |
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/* |
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* DELETE rows in |
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* channelHistory, searchRlt, songHistory, favorites, advertisement; |
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* rows in img, channelInfo and urlInfo can't be removed directly. |
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*/ |
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IRDBCHAR deleteRow(const QString& aDltSqlStr); |
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|
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/* |
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* select rows from IRDB |
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* aBegin, aBegin is 0, will invoke the action of open db connection; |
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* aBegin == aEnd, will invoke the action of close db connection; |
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*/ |
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IRDBCHAR selectRow(IRDBWrapper* const apWrapper, |
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const QString& aSltSqlStr, |
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QList<QVariant*>* pDataSet, |
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int aBegin = 0, |
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int aEnd = 0); |
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|
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public: |
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/* |
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* SELECT * from IR_VIEW_ALL; |
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* param is used as condition string; |
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*/ |
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IRDBCHAR selectRowIRDB(IRDBWrapper* const apWrapper, |
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const QString& aCondStr, |
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bool bIsSrhCid, |
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QList<uint>* pQListCIDSet, |
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QList<QVariant*>* pQLIstIRDataSet); |
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private: |
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/* |
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* default constructor |
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*/ |
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IRDB(); |
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/* |
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* forbid copy constructor |
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*/ |
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IRDB(IRDB&); |
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/* |
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* destructor |
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*/ |
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~IRDB(); |
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private: |
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/* |
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* here "=" is forbidded |
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*/ |
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const IRDB& operator=(const IRDB&); |
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private: |
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/* |
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* create tables and relations in IRDB; |
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*/ |
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bool createIRTable(); |
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/* |
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* open IRDB connection; |
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*/ |
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bool openIRDBConnection(); |
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/* |
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* search channelid from channelInfo table; |
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*/ |
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IRDBCHAR isChannelIdExisted(uint channelId); |
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private: |
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//IRDB Instance |
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QSqlDatabase m_sqlDB; |
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// reference count |
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int m_RefCnt; |
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// Mutex locker |
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static QMutex mMutex; |
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// The static instance |
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static IRDB* mpIRDBInstance; |
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//for data batch handle |
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QSqlQuery* iIRQuery2; |
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}; |
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#endif /* IRDB_H_ */ |
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