TB10.1 Example Applications: examples/Base/SemaphoreExample/inc/CDatabase.h Source File

00001 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
-00002 // All rights reserved.
-00003 // This component and the accompanying materials are made available
-00004 // under the terms of "Eclipse Public License v1.0"
-00005 // which accompanies this distribution, and is available
-00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
-00007 //
-00008 // Initial Contributors:
-00009 // Nokia Corporation - initial contribution.
-00010 //
-00011 // Contributors:
-00012 //
-00013 // Description:
-00014 // Contains the definition of the CDatabase class.
-00015 //
-00016 #ifndef CDATABASE_H_
-00017 #define CDATABASE_H_
-00018 
-00019 #include <e32cons.h>
-00020 #include <e32base.h>  //Used for CBase.
-00021 #include <d32dbms.h>  //Used for RDbDatabase class.
-00022 #include <s32file.h>  //Used for CFileStore class.
-00023 
-00028 class CDatabase : public CBase
-00029 {
-00030 public:
-00031     static CDatabase* NewL();
-00032     virtual ~CDatabase();
-00033     
-00034     //Method to create a database.
-00035     void CreateDatabaseL();
-00036     //Method to read the database. 
-00037     void ReadfromDatabaseL();
-00038     //Method to write into the database.
-00039     void WritetoDatabaseL();
-00040     
-00041     //The callback function for ReaderThread associated with the CPeriodic object.
-00042     static TInt PeriodicReadL(TAny* aPtr);
-00043     //The periodic function to read the database. 
-00044     void PeriodicReadFuncL();
-00045     
-00046     //The callback function for WriterThread associated with the CPeriodic object.
-00047     static TInt PeriodicWriteL(TAny* aPtr);
-00048     //The periodic function to write into the database.
-00049     void PeriodicWriteFuncL();
-00050 
-00051 protected: 
-00052     void ConstructL();
-00053 
-00054 private: 
-00055     RFs iFsSession; //file session object.
-00056     RDbStoreDatabase iDatabase; //database object.
-00057     TFileName iDbname;
-00058     
-00059     //CPeriodic object to periodically read/write to the DB.
-00060     CPeriodic* iPeriodic; 
-00061     
-00062     CConsoleBase* iConsole; 
-00063     
-00064     #ifdef USE_SEMAPHORE
-00065     //Semaphore which schedules order of execution.  
-00066     RSemaphore iSemWrite; 
-00067     #endif
-00068 };
-00069 
-00070 #endif /*CDATABASE_H_*/
-