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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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* Contributors:
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*
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* Description:
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*
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*/
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#include "activitystorage.h"
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#include "activityqueries.h"
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#include <bautils.h>
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#include <s32mem.h>
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_LIT(KDbName, "activity.db");
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_LIT(KDbDrive, "c:");
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const TInt KMaxPathLength = 256;
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CActivityStorage::CActivityStorage(RFs& session)
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:
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mFsSession(session)
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{
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// No implementation required
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CActivityStorage::~CActivityStorage()
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{
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CActivityStorage* CActivityStorage::NewL(RFs& session)
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{
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CActivityStorage* self = new (ELeave) CActivityStorage(session);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(); // self;
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return self;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::ConstructL()
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{
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RBuf path;
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CleanupClosePushL( path );
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path.CreateL(KMaxPathLength);
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User::LeaveIfError(mFsSession.PrivatePath(path ));
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path.Append(KDbName);
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path.Insert(0, KDbDrive);
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BaflUtils::EnsurePathExistsL(mFsSession, path);
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BaflUtils::FileExists(mFsSession, path) ? OpenDbL(path) : CreateDbL(path);
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CleanupStack::PopAndDestroy(&path);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::CreateDbL(const TDesC& databaseFile)
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{
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mFileStore = CPermanentFileStore::ReplaceL(mFsSession,
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databaseFile,
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EFileRead|EFileWrite);
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mFileStore->SetTypeL(mFileStore->Layout());// Set file store type
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TStreamId id = mActDb.CreateL(mFileStore);// Create stream object
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mFileStore->SetRootL(id);// Keep database id as root of store
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mFileStore->CommitL();// Complete creation by commiting
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CreateTableL();
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::OpenDbL(const TDesC& databaseFile)
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{
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mFileStore = CPermanentFileStore::OpenL(mFsSession,
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databaseFile,
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EFileRead|EFileWrite);
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mFileStore->SetTypeL(mFileStore->Layout()); /* Set file store type*/
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mActDb.OpenL(mFileStore,mFileStore->Root());
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CDbTableNames* tables = mActDb.TableNamesL();
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CleanupStack::PushL(tables);
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if (0 == tables->Count()) {
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CreateTableL();
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}
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CleanupStack::PopAndDestroy(tables);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::CreateTableL()
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{
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// Add the columns to column set
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CDbColSet* actColSet = CDbColSet::NewLC();
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TDbCol appName(KApplicationColumnName, EDbColInt64);// Using default length
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appName.iAttributes = TDbCol::ENotNull;
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actColSet->AddL(appName);
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TDbCol actName(KActivityColumnName, EDbColText8);// Using default length
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actName.iAttributes = TDbCol::ENotNull;
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actColSet->AddL(actName);
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actColSet->AddL(TDbCol(KDataColumnName, EDbColLongText8));// Stream Data
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// Add the columns to index definition
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CDbKey* primaryKey = CDbKey::NewLC();
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primaryKey->AddL(TDbKeyCol(KApplicationColumnName));
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primaryKey->AddL(TDbKeyCol(KActivityColumnName));
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primaryKey->MakePrimary();
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// Create the table
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/*User::LeaveIfError(mActDb.CreateTable(KActivityTableName,
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*actColSet,
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*primaryKey));*/
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User::LeaveIfError(mActDb.CreateTable(KActivityTableName,
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*actColSet));
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/*User::LeaveIfError(mActDb.CreateIndex(KActivityIndexName,
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KActivityTableName,
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*primaryKey));*/
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CleanupStack::PopAndDestroy(primaryKey);
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CleanupStack::PopAndDestroy(actColSet);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::AddActivityL(TInt appId,
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const TDesC8& actId,
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const TDesC8& data)
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{
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//verify if row already exists
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RDbView view;
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CleanupClosePushL(view);
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TRAPD( errNo, GetActivityForUpdateL(view, appId, actId));
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if (KErrNone == errNo) {
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User::Leave(KErrAlreadyExists);
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}
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CleanupStack::PopAndDestroy(&view);
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//write table
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RDbTable table;
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CleanupClosePushL(table);
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User::LeaveIfError(table.Open(mActDb, KActivityTableName, table.EUpdatable));
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CDbColSet *row = table.ColSetL();
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CleanupStack::PushL(row);
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table.InsertL();
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table.SetColL(row->ColNo(KApplicationColumnName), TInt64(appId));
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table.SetColL(row->ColNo(KActivityColumnName), actId);
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//write blob data
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RDbColWriteStream stream;
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CleanupClosePushL(stream);
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stream.OpenL(table, row->ColNo(KDataColumnName));
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stream.WriteL(data);
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CleanupStack::PopAndDestroy(&stream);
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table.PutL();
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CleanupStack::PopAndDestroy(row);
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CleanupStack::PopAndDestroy(&table);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::UpdateActivityL(TInt appId,
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const TDesC8& actId,
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const TDesC8& data)
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{
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RDbView view;
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CleanupClosePushL(view);
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GetActivityForUpdateL(view, appId, actId);
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view.UpdateL();
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CDbColSet* colSet = view.ColSetL();
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CleanupStack::PushL(colSet);
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RDbColWriteStream writeStream;
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CleanupClosePushL(writeStream);
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writeStream.OpenL(view, colSet->ColNo(KDataColumnName));
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writeStream.WriteL(data);
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CleanupStack::PopAndDestroy(&writeStream);
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view.PutL();
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CleanupStack::PopAndDestroy(colSet);
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CleanupStack::PopAndDestroy(&view);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::DeleteActivityL(TInt appId,const TDesC8& actId)
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{
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HBufC *query(DeleteRowLC(appId, actId));
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User::LeaveIfError(mActDb.Execute(*query));
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CleanupStack::PopAndDestroy(query);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::DeleteActivitiesL(TInt appId)
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{
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HBufC *query(DeleteRowsLC(appId));
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User::LeaveIfError(mActDb.Execute(*query));
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CleanupStack::PopAndDestroy(query);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::ActivitiesL(RBuf8 &dst)
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{
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ActivitiesL(dst, KSelectRows() );
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::ActivitiesL(RBuf8 &dst,TInt appId)
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{
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HBufC *query(SelectRowsLC(appId));
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ActivitiesL(dst, *query);
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CleanupStack::PopAndDestroy(query);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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HBufC* CActivityStorage::SelectRowLC(TInt appId, const TDesC8& actId) const
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{
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return BuildQueryLC(KSelectRow(),appId, actId);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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HBufC* CActivityStorage::SelectRowsLC(TInt appId) const
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{
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return BuildQueryLC(KSelectAppRows(), appId, KNullDesC8);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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HBufC* CActivityStorage::DeleteRowLC(TInt appId, const TDesC8& actId) const
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{
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return BuildQueryLC(KDeleteRow(),appId, actId);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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HBufC* CActivityStorage::DeleteRowsLC(TInt appId) const
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{
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return BuildQueryLC(KDeleteRows(),appId, KNullDesC8);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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HBufC* CActivityStorage::BuildQueryLC(const TDesC& format,
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TInt appId,
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const TDesC8& actId) const
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{
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TBuf<16> appName;
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appName.AppendNum(appId);
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RBuf actName;
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CleanupClosePushL(actName);
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actName.CreateL(actId.Length());
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actName.Copy(actId);
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HBufC* query = HBufC::NewL(format.Length() +
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appName.Length() +
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actName.Length() );
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query->Des().AppendFormat(format, &appName, &actName);
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CleanupStack::PopAndDestroy(&actName);
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CleanupStack::PushL(query);
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return query;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt CActivityStorage::DataSizeL(RDbRowSet& data)const
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{
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TInt dataSize(sizeof(TInt));
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CDbColSet* row = data.ColSetL();
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CleanupStack::PushL(row);
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const TInt dataOffset(row->ColNo(KDataColumnName));
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for (data.FirstL(); data.AtRow(); data.NextL()) {
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data.GetL();
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dataSize += (sizeof(TInt) +
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data.ColLength(dataOffset));
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}
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CleanupStack::PopAndDestroy(row);
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return dataSize;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::ExternalizeL(TDes8& dst, RDbRowSet& src)const
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{
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RDesWriteStream dstStream(dst);
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CleanupClosePushL(dstStream);
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dstStream.WriteInt32L(src.CountL());
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RBuf8 data;
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CleanupClosePushL(data);
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CDbColSet* row = src.ColSetL();
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CleanupStack::PushL(row);
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const TInt dataOffset(row->ColNo(KDataColumnName));
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RDbColReadStream srcStream;
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CleanupClosePushL(srcStream);
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for (src.FirstL(); src.AtRow(); src.NextL()) {
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src.GetL();
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if (data.MaxLength() < src.ColLength(dataOffset)) {
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data.ReAllocL(src.ColLength(dataOffset));
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}
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data.SetLength(0);
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srcStream.OpenL(src,dataOffset);
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srcStream.ReadL(data, src.ColLength(dataOffset));
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srcStream.Close();
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dstStream.WriteInt32L(src.ColLength(dataOffset));
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if (0 < src.ColLength(dataOffset)) {
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dstStream.WriteL(data, src.ColLength(dataOffset));
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}
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}
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CleanupStack::PopAndDestroy(&srcStream);
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CleanupStack::PopAndDestroy(row);
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CleanupStack::PopAndDestroy(&data);
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CleanupStack::PopAndDestroy(&dstStream);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::ActivitiesL(RBuf8& dst, const TDesC& query)
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{
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RDbView view;// Create a view on the database
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CleanupClosePushL(view);
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User::LeaveIfError(view.Prepare(mActDb, TDbQuery(query), view.EReadOnly));
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User::LeaveIfError(view.EvaluateAll());
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const TInt dataSize(DataSizeL(view));
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if(dst.MaxLength() < dataSize) {
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dst.ReAllocL(dataSize);
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}
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ExternalizeL(dst, view);
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CleanupStack::PopAndDestroy(&view);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CActivityStorage::GetActivityForUpdateL(RDbView& view, TInt appId, const TDesC8& actId)
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{
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HBufC* query(SelectRowLC(appId, actId));
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User::LeaveIfError(view.Prepare(mActDb, TDbQuery(*query), view.EUpdatable));
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CleanupStack::PopAndDestroy(query);
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User::LeaveIfError(view.EvaluateAll());
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if (!view.FirstL()) {
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User::Leave(KErrNotFound);
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}
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}
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