src/sql/SqlFactory.cxx

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Prabakaran Thirumalai   *
   3  *   praba_tuty@yahoo.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 <SqlFactory.h>
  17 #include <SqlStatement.h>
  18 #include <SqlConnection.h>
  19 #include <SqlLogConnection.h>
  20 #include <SqlLogStatement.h>
  21 #include <SqlOdbcConnection.h>
  22 #include <SqlOdbcStatement.h>
  23 #include <SqlGwStatement.h>
  24 AbsSqlConnection* SqlFactory::createConnection(SqlApiImplType implFlag)
  25 {
  26     AbsSqlConnection *conn = NULL ;
  27     switch(implFlag)
  28     {
  29         case CSql:
  30             conn = new SqlConnection();
  31             break;
  32         case CSqlLog:
  33             {
  34             //generates sql logs
  35             AbsSqlConnection *sqlCon = new SqlConnection();
  36             conn = new SqlLogConnection();
  37             conn->setInnerConnection(sqlCon);
  38             break;
  39             }
  40         case CSqlAdapter:
  41             {
  42             conn = new SqlOdbcConnection();
  43             conn->setInnerConnection(NULL);
  44             break;
  45             }
  46         case CSqlGateway:
  47             {
  48             AbsSqlConnection *sqlCon = new SqlConnection();
  49             AbsSqlConnection *sqllogconn = new SqlLogConnection();
  50             sqllogconn->setInnerConnection(sqlCon);
  51             AbsSqlConnection *adapterCon = new SqlOdbcConnection();
  52             SqlGwConnection *gwconn = new SqlGwConnection();
  53             gwconn->setInnerConnection(sqllogconn);
  54             gwconn->setAdapter(adapterCon);
  55             conn = gwconn;
  56             break;
  57             }
  58         default:
  59             printf("Todo");
  60             break;
  61     }
  62     return conn;
  63 }
  64 AbsSqlStatement* SqlFactory::createStatement(SqlApiImplType implFlag)
  65 {
  66     AbsSqlStatement *stmt = NULL;
  67     switch(implFlag)
  68     {
  69         case CSql:
  70             stmt = new SqlStatement();
  71             break;
  72         case CSqlLog:
  73             {
  74             //generates sql logs
  75             AbsSqlStatement *sqlStmt = new SqlStatement();
  76             stmt = new SqlLogStatement();
  77             stmt->setInnerStatement(sqlStmt);
  78             break;
  79             }
  80         case CSqlAdapter:
  81             {
  82             stmt = new SqlOdbcStatement();
  83             stmt->setInnerStatement(NULL);
  84             break;
  85             }
  86         case CSqlGateway:
  87             {
  88             AbsSqlStatement *sqlstmt = new SqlStatement();
  89             AbsSqlStatement *sqllogstmt = new SqlLogStatement();
  90             sqllogstmt->setInnerStatement(sqlstmt);
  91             AbsSqlStatement *adapterstmt = new SqlOdbcStatement();
  92             SqlGwStatement *gwstmt = new SqlGwStatement();
  93             gwstmt->setInnerStatement(sqllogstmt);
  94             gwstmt->setAdapter(adapterstmt);
  95             stmt = gwstmt;
  96             break;
  97             }
  98         default:
  99             printf("Todo");
 100             break;
 101     }
 102     return stmt;
 103 }