Esempio n. 1
0
 public static function getInstance()
 {
     if (empty(self::$instance)) {
         self::$instance = new self();
     }
     return self::$instance;
 }
Esempio n. 2
0
 public static function getSource($source = self::DB_MYSQL)
 {
     switch ($source) {
         case self::FILE_CSV:
             return Model_Plant_Source_File_Csv::getInstance();
             break;
         case self::DB_MYSQL:
             return Model_Plant_Source_Db_Mysql::getInstance();
         default:
             break;
     }
 }