include/database/DBManagerFactory.php

   1 <?php
   2 if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
   3 /*********************************************************************************
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  37
  38 /*********************************************************************************
  39
  40 * Description: This file generates the appropriate manager for the database
  41 *
  42 * Portions created by SugarCRM are Copyright (C) SugarCRM, Inc.
  43 * All Rights Reserved.
  44 * Contributor(s): ______________________________________..
  45 ********************************************************************************/
  46
  47 require_once('include/database/DBManager.php');
  48
  49 class DBManagerFactory
  50 {
  51     /**
  52          * Returns a reference to the DB object for instance $instanceName, or the default
  53      * instance if one is not specified
  54      *
  55      * @param  string $instanceName optional, name of the instance
  56      * @return object DBManager instance
  57      */
  58         public static function getInstance(
  59         $instanceName = ''
  60         )
  61     {
  62         global $sugar_config, $dbinstances;
  63         static $count, $old_count;
  64
  65         $instanceName = 'db';
  66         $config = $sugar_config['dbconfig'];
  67         if(!isset($dbinstances)){
  68             $dbinstances = array();
  69         }
  70         //fall back to the default instance name
  71         if(empty($sugar_config['db'][$instanceName])){
  72                 $instanceName = '';
  73         }
  74         if(!isset($dbinstances[$instanceName])){
  75             $my_db_manager = 'MysqlManager';
  76             if( $config['db_type'] == "mysql" ) {
  77                 if ((!isset($sugar_config['mysqli_disabled'])
  78                             || $sugar_config['mysqli_disabled'] == false)
  79                     && function_exists('mysqli_connect')) {
  80                     $my_db_manager = 'MysqliManager';
  81                 }
  82             }
  83             if( $config['db_type'] == "oci8" ){
  84             }
  85             elseif( $config['db_type'] == "mssql" ){
  86                 if ( function_exists('sqlsrv_connect')
  87                         && (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'sqlsrv' ))
  88                         $my_db_manager = 'SqlsrvManager';
  89                 elseif (is_freetds()
  90                         && (empty($config['db_mssql_force_driver']) || $config['db_mssql_force_driver'] == 'freetds' ))
  91                     $my_db_manager = 'FreeTDSManager';
  92                 else
  93                     $my_db_manager = 'MssqlManager';
  94             }
  95             $GLOBALS['log']->info("using $my_db_manager DBManager backend");
  96             if(!empty($config['db_manager'])){
  97                 $my_db_manager = $config['db_manager'];
  98             }
  99
 100                 require_once("include/database/{$my_db_manager}.php");
 101                 $dbinstances[$instanceName] = new $my_db_manager();
 102                 $dbinstances[$instanceName]->getHelper();
 103                 $dbinstances[$instanceName]->connect($config, true);
 104                 $dbinstances[$instanceName]->count_id = $count;
 105                 $dbinstances[$instanceName]->references = 0;
 106                 $dbinstances[$instanceName]->getHelper()->db = $dbinstances[$instanceName];
 107         }
 108         else {
 109             $old_count++;
 110             $dbinstances[$instanceName]->references = $old_count;
 111         }
 112         return $dbinstances[$instanceName];
 113     }
 114
 115     /**
 116      * Returns an instance of the helper class
 117      *
 118      * @deprecated
 119      * @return object DBHelper instance
 120      */
 121     public static function getHelperInstance()
 122     {
 123         $GLOBALS['log']->info('call to DBManagerFactory::getHelperInstance() is deprecated');
 124         return self::getInstance()->getHelper();
 125     }
 126
 127     /**
 128      * Loads the DBManager and DBHelper instance class files
 129      *
 130      * @deprecated
 131      * @param string $class_name
 132      */
 133     public static function load_db_manager_class(
 134         $class_name
 135         )
 136     {
 137         $GLOBALS['log']->info('call to DBManagerFactory::load_db_manager_class() is deprecated');
 138         if( is_file("include/database/{$class_name}.php") && !class_exists($class_name))
 139             require_once("include/database/{$class_name}.php");
 140
 141         $class_name = str_ireplace('Manager','Helper',$class_name);
 142
 143         if( is_file("include/database/{$class_name}.php") && !class_exists($class_name))
 144             require_once("include/database/{$class_name}.php");
 145     }
 146
 147 }
 148
 149 ?>