src/server/Connection.cxx

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by www.databasecache.com                           *
   3  *   Contact: praba_tuty@databasecache.com                                 *
   4  *                                                                         *
   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.                                   *
   9  *                                                                         *
  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.                          *
  14  *                                                                         *
  15   ***************************************************************************/
  16 #include<SessionImpl.h>
  17 #include<Debug.h>
  18 #include<os.h>
  19 #include<Index.h>
  20 #include<Config.h>
  21 Connection::~Connection()
  22 {
  23     delete session;
  24     Index::destroy();
  25 }
  26
  27 DbRetVal Connection::open(const char *username, const char *password)
  28 {
  29     if (session == NULL) session = new SessionImpl();
  30     else
  31     {
  32        printError(ErrAlready, "User already logged in");
  33        return ErrAlready;
  34     }
  35     DbRetVal rv = logger.startLogger(config.getLogFile());
  36     if (rv != OK) { delete session; session = NULL; return rv; }
  37     logFinest(logger, "User logged in %s",username);
  38     return session->open(username, password);
  39 }
  40
  41 DbRetVal Connection::close()
  42 {
  43     if (session == NULL) return ErrNoConnection;
  44     logFinest(logger, "User logged out");
  45     logger.stopLogger();
  46     DbRetVal rv= session->close();
  47     delete session;
  48     session = NULL;
  49     return rv;
  50 }
  51
  52 DatabaseManager* Connection::getDatabaseManager()
  53 {
  54     if (session == NULL) return NULL;
  55     return session->getDatabaseManager();
  56 }
  57
  58 UserManager* Connection::getUserManager()
  59 {
  60     if (session == NULL) return NULL;
  61     return session->getUserManager();
  62 }
  63
  64 DbRetVal Connection::startTransaction(IsolationLevel level)
  65 {
  66     if (session == NULL) return ErrNoConnection;
  67     return session->startTransaction(level);
  68 }
  69
  70
  71 DbRetVal Connection::commit()
  72 {
  73     if (session == NULL) return ErrNoConnection;
  74     return session->commit();
  75 }
  76
  77
  78 DbRetVal Connection::rollback()
  79 {
  80     if (session == NULL) return ErrNoConnection;
  81     return session->rollback();
  82 }