--- a/locationdataharvester/mylocationsengine/src/mylocationslookupdb.cpp Thu May 27 12:49:34 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,410 +0,0 @@
-/*
-* Copyright (c) 2010 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: Mylocation database lookup table implementation.
-*
-*/
-
-#include <bautils.h>
-#include <EPos_CPosLmCategoryManager.h>
-#include "mylocationslookupdb.h"
-#include "mylocationlogger.h"
-// select all from
-_LIT( KSelectAllFrom, "SELECT * FROM " );
-// string 'where'
-_LIT( KStringWhere, " WHERE " );
-// string ' = '
-_LIT( KStringEqual, " = " );
-// string 'And'
-_LIT( KStringAnd, " AND " );
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::CLookupDatabase()
-// Default constructor.
-// -----------------------------------------------------------------------------
-//
-CLookupDatabase::CLookupDatabase()
-{
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::~CLookupDatabase()
-// Destructor.
-// -----------------------------------------------------------------------------
-//
-CLookupDatabase::~CLookupDatabase()
-{
- __TRACE_CALLSTACK;// close the database
- iItemsDatabase.Close();
- // close the file session
- iFsSession.Close();
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::~CLookupDatabase()
-// Creates an object of this class and pushes to cleanup stack.
-// -----------------------------------------------------------------------------
-//
-CLookupDatabase* CLookupDatabase::NewLC(const TDesC& aLookupTableName)
-{
- CLookupDatabase* self = new (ELeave) CLookupDatabase;
- CleanupStack::PushL(self);
- self->ConstructL(aLookupTableName);
- return self;
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::NewL()
-// Creates an object of this class.
-// -----------------------------------------------------------------------------
-//
-CLookupDatabase* CLookupDatabase::NewL(const TDesC& aLookupTableName)
-{
- CLookupDatabase* self = CLookupDatabase::NewLC(aLookupTableName);
- CleanupStack::Pop(self);
- return self;
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::ConstructL()
-// 2nd phase contructor.
-// -----------------------------------------------------------------------------
-//
-void CLookupDatabase::ConstructL(const TDesC& aLookupTableName)
-{
- __TRACE_CALLSTACK;
- User::LeaveIfError(iFsSession.Connect());
-
- //create private path
- User::LeaveIfError(iFsSession.CreatePrivatePath(RFs::GetSystemDrive()));
- // private path with no drive on it
- iFsSession.PrivatePath(iDbFileName);
-
- TFindFile PrivFolder(iFsSession);
- // find out the drive
- if (KErrNone == PrivFolder.FindByDir(iDbFileName, KNullDesC))
- {
- iFsSession.MkDir(KLookupDbPath);
- iDbFileName.Copy(KLookupDbPath);
- iDbFileName.Append(aLookupTableName);
-
- if (!BaflUtils::FileExists(iFsSession, iDbFileName))
- { // no database exists so we make one
- User::LeaveIfError(iItemsDatabase.Create(iFsSession, iDbFileName));
- // and will create the only table needed for it
- CreateTableL(iItemsDatabase);
-
- //close the database
- iItemsDatabase.Close();
- }
- }
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::Open()
-// Opens the lookup database.
-// -----------------------------------------------------------------------------
-//
-TInt CLookupDatabase::Open()
-{
- __TRACE_CALLSTACK;
- return iItemsDatabase.Open(iFsSession, iDbFileName);
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::Close()
-// Closes the lookup database.
-// -----------------------------------------------------------------------------
-//
-void CLookupDatabase::Close()
-{
- __TRACE_CALLSTACK;
- iItemsDatabase.Close();
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::CreateTableL()
-// Creates a lookup table.
-// -----------------------------------------------------------------------------
-//
-void CLookupDatabase::CreateTableL(RDbDatabase& aDatabase)
-{
- __TRACE_CALLSTACK;// Create a table definition
- CDbColSet* columns = CDbColSet::NewLC();
-
- // Add Columns
-
- // Add uid column
- columns->AddL(TDbCol(NColUid, EDbColUint32));
-
- // add source type column
- columns->AddL(TDbCol(NColSource, EDbColUint32));
-
- // add landmark uid column
- columns->AddL(TDbCol(NColLmUid, EDbColUint32));
-
- // Create a table
- User::LeaveIfError(aDatabase.CreateTable(KLookupTable, *columns));
-
- // cleanup the column set
- CleanupStack::PopAndDestroy(columns);
-}
-
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::CreateEntryL()
-// Creates an entry in the lookup table.
-// -----------------------------------------------------------------------------
-//
-void CLookupDatabase::CreateEntryL(const TLookupItem& aLookupItem)
-{
- __TRACE_CALLSTACK;// create a query for the view
- TFileName queryBuffer;
- queryBuffer.Copy(KSelectAllFrom);
- queryBuffer.Append(KLookupTable);
-
- iItemsDatabase.Begin();
-
- RDbView myView;
- myView.Prepare(iItemsDatabase, TDbQuery(queryBuffer));
- CleanupClosePushL(myView);
-
- // Inert the item
- myView.InsertL();
-
- // set the fields
- myView.SetColL(KColumnUid, aLookupItem.iUid);
- myView.SetColL(KColumnSource, aLookupItem.iSource);
- myView.SetColL(KColumnLmkUid, aLookupItem.iLmId);
-
- myView.PutL();
-
- CleanupStack::PopAndDestroy(&myView); // myView
- iItemsDatabase.Commit();
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::UpdateEntryL()
-// Updates an entry in the lookup table.
-// -----------------------------------------------------------------------------
-//
-void CLookupDatabase::UpdateEntryL(const TLookupItem& aLookupItem)
-{
- __TRACE_CALLSTACK;// Create the query to find the row to be updated.
- TFileName queryBuffer;
- queryBuffer.Copy(KSelectAllFrom);
- queryBuffer.Append(KLookupTable);
- queryBuffer.Append(KStringWhere);
- queryBuffer.Append(NColUid);
- queryBuffer.Append(KStringEqual);
- queryBuffer.AppendNum(aLookupItem.iUid);
- queryBuffer.Append(KStringAnd);
- queryBuffer.Append(NColSource);
- queryBuffer.Append(KStringEqual);
- queryBuffer.AppendNum(aLookupItem.iSource);
-
- iItemsDatabase.Begin();
-
- // Create a view of the table based on the query created.
- RDbView myView;
- myView.Prepare(iItemsDatabase, TDbQuery(queryBuffer));
- CleanupClosePushL(myView);
-
- myView.EvaluateAll();
- myView.FirstL();
-
- if (myView.AtRow())
- {
- // found the entry. update it.
- myView.UpdateL();
- myView.SetColL(KColumnLmkUid, aLookupItem.iLmId);
- myView.PutL();
- }
-
- CleanupStack::PopAndDestroy(&myView); // myView
- iItemsDatabase.Commit();
-
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::DeleteEntryL()
-// Deletes an entry from the lookup table.
-// -----------------------------------------------------------------------------
-//
-void CLookupDatabase::DeleteEntryL(const TLookupItem& aLookupItem)
-{
- __TRACE_CALLSTACK;// Create the query to find the row to be deleted.
- TFileName queryBuffer;
- queryBuffer.Copy(KSelectAllFrom);
- queryBuffer.Append(KLookupTable);
- queryBuffer.Append(KStringWhere);
- queryBuffer.Append(NColUid);
- queryBuffer.Append(KStringEqual);
- queryBuffer.AppendNum(aLookupItem.iUid);
- queryBuffer.Append(KStringAnd);
- queryBuffer.Append(NColSource);
- queryBuffer.Append(KStringEqual);
- queryBuffer.AppendNum(aLookupItem.iSource);
-
- iItemsDatabase.Begin();
-
- RDbView myView;
- // query buffer finds only the selected item row.
- myView.Prepare(iItemsDatabase, TDbQuery(queryBuffer));
- CleanupClosePushL(myView);
-
- myView.EvaluateAll();
-
- // positions the cursor on the first row of the rowset
- myView.FirstL();
-
- // Delete the entry found.
- if (myView.AtRow())
- {
- myView.GetL();
- myView.DeleteL();
- }
-
- CleanupStack::PopAndDestroy(&myView); // myView
- iItemsDatabase.Commit();
- // compacts the databse, by physicaly removing deleted data.
- iItemsDatabase.Compact();
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::FindEntryL()
-// Finds an entry in the lookup table.
-// -----------------------------------------------------------------------------
-//
-TBool CLookupDatabase::FindEntryL(TLookupItem& aLookupItem)
-{
- __TRACE_CALLSTACK;// used to store return value
- TBool retVal = EFalse;
-
- // Create a query to find the item.
- TFileName queryBuffer;
- queryBuffer.Copy(KSelectAllFrom);
- queryBuffer.Append(KLookupTable);
- queryBuffer.Append(KStringWhere);
- queryBuffer.Append(NColUid);
- queryBuffer.Append(KStringEqual);
- queryBuffer.AppendNum(aLookupItem.iUid);
- queryBuffer.Append(KStringAnd);
- queryBuffer.Append(NColSource);
- queryBuffer.Append(KStringEqual);
- queryBuffer.AppendNum(aLookupItem.iSource);
-
- // Create a view of the table with the above query.
- RDbView myView;
- myView.Prepare(iItemsDatabase, TDbQuery(queryBuffer));
- CleanupClosePushL(myView);
- myView.EvaluateAll();
- myView.FirstL();
-
- if (myView.AtRow())
- {
- // Item found. get the details.
- myView.GetL();
-
- aLookupItem.iUid = myView.ColUint(KColumnUid);
- aLookupItem.iSource = myView.ColUint(KColumnSource);
- aLookupItem.iLmId = myView.ColUint(KColumnLmkUid);
- retVal = ETrue;
- }
-
- CleanupStack::PopAndDestroy(&myView); // myView
-
- return retVal;
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::FindEntriesByLandmarkIdL()
-// Finds a list of lookup items given a landmark uid.
-// -----------------------------------------------------------------------------
-//
-void CLookupDatabase::FindEntriesByLandmarkIdL(const TUint32 aLandmarkId,
- RArray<TLookupItem>& aLookupItemArray)
-{
- __TRACE_CALLSTACK;// Create a query to find the item.
- TFileName queryBuffer;
- queryBuffer.Copy(KSelectAllFrom);
- queryBuffer.Append(KLookupTable);
- queryBuffer.Append(KStringWhere);
- queryBuffer.Append(NColLmUid);
- queryBuffer.Append(KStringEqual);
- queryBuffer.AppendNum(aLandmarkId);
-
- // Create a view of the table with the above query.
- RDbView myView;
- myView.Prepare(iItemsDatabase, TDbQuery(queryBuffer));
- CleanupClosePushL(myView);
- myView.EvaluateAll();
- myView.FirstL();
-
- while (myView.AtRow())
- {
- // Item found. get the details.
- myView.GetL();
- TLookupItem newItem;
- newItem.iUid = myView.ColUint(KColumnUid);
- newItem.iSource = myView.ColUint(KColumnSource);
- newItem.iLmId = myView.ColUint(KColumnLmkUid);
- aLookupItemArray.Append(newItem);
- myView.NextL();
- }
-
- CleanupStack::PopAndDestroy(&myView); // myView
-}
-
-// -----------------------------------------------------------------------------
-// CLookupDatabase::FindEntriesByLandmarkIdL()
-// Finds a list of lookup items given a landmark uid.
-// -----------------------------------------------------------------------------
-//
-void CLookupDatabase::FindEntriesBySourceTypeL(const TUint32 aSourceType,
- RArray<TLookupItem>& aLookupItemArray)
-{
- __TRACE_CALLSTACK;// Create a query to find the item.
- TFileName queryBuffer;
- queryBuffer.Copy(KSelectAllFrom);
- queryBuffer.Append(KLookupTable);
- queryBuffer.Append(KStringWhere);
- queryBuffer.Append(NColSource);
- queryBuffer.Append(KStringEqual);
- queryBuffer.AppendNum(aSourceType);
-
- // Create a view of the table with the above query.
- RDbView myView;
- myView.Prepare(iItemsDatabase, TDbQuery(queryBuffer));
- CleanupClosePushL(myView);
- myView.EvaluateAll();
- myView.FirstL();
-
- while (myView.AtRow())
- {
- // Item found. get the details.
- myView.GetL();
-
- TLookupItem newItem;
- newItem.iUid = myView.ColUint(KColumnUid);
- newItem.iSource = myView.ColUint(KColumnSource);
- newItem.iLmId = myView.ColUint(KColumnLmkUid);
- aLookupItemArray.Append(newItem);
- myView.NextL();
- }
-
- CleanupStack::PopAndDestroy(&myView); // myView
-}
-
-// End of file
-