1 /***************************************************************************
2 * Copyright (C) 2007 by www.databasecache.com *
3 * Contact: praba_tuty@databasecache.com *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 ***************************************************************************/
16 #ifndef SESSION_IMPL_H
17 #define SESSION_IMPL_H
18 #include<DatabaseManager.h>
19 #include<UserManager.h>
22 class DatabaseManagerImpl
;
25 class SessionImpl
: public Session
27 DatabaseManagerImpl
*dbMgr
;
30 char userName
[IDENTIFIER_LENGTH
];
38 dbMgr
= NULL
; uMgr
= NULL
; isXTaken
= false;
44 //This is used by the server process to initialize and create
45 //system and user database->create shared memory segment
46 DbRetVal
initSystemDatabase();
47 //Removes the shared memory segment->deletes both the databases
48 DbRetVal
destroySystemDatabase();
50 DbRetVal
open(const char*username
, const char*password
);
53 DatabaseManager
* getDatabaseManager();
54 UserManager
* getUserManager();
56 DbRetVal
startTransaction(IsolationLevel level
);
60 DbRetVal
readConfigFile();
61 Database
* getSystemDatabase();
62 DbRetVal
getExclusiveLock();
64 DbRetVal
authenticate(const char *username
, const char *password
);