/**
  * Adds support for magic finders.
  *
  * @return array|object The found entity/entities.
  * @throws BadMethodCallException  If the method called is an invalid find* method
  *                                 or no find* method at all and therefore an invalid
  *                                 method call.
  */
 public function __call($method, $arguments)
 {
     if (substr($method, 0, 6) == 'findBy') {
         $by = substr($method, 6, strlen($method));
         $method = 'findBy';
     } else {
         if (substr($method, 0, 9) == 'findOneBy') {
             $by = substr($method, 9, strlen($method));
             $method = 'findOneBy';
         } else {
             throw new \BadMethodCallException("Undefined method '{$method}'. The method name must start with " . "either findBy or findOneBy!");
         }
     }
     if (!isset($arguments[0])) {
         throw ORMException::findByRequiresParameter($method . $by);
     }
     $fieldName = lcfirst(\Doctrine\Common\Util\Inflector::classify($by));
     if ($this->_class->hasField($fieldName)) {
         return $this->{$method}(array($fieldName => $arguments[0]));
     } else {
         throw ORMException::invalidFindByCall($this->_entityName, $fieldName, $method . $by);
     }
 }