/**
  * Returns a subcontent instance by its type and value, FALSE if not found.
  *
  * @param string $type  The classname of the subcontent
  * @param string $value The value of the subcontent (uid)
  *
  * @return \BackBee\ClassContent\AbstractClassContent|FALSE
  */
 protected function getContentByDataValue($type, $value)
 {
     if (class_exists($type) && null !== $value) {
         $index = 0;
         foreach ($this->_subcontent as $subcontent) {
             $this->subcontentmap[$subcontent->getUid()] = $index++;
             if ($subcontent->getUid() === $value) {
                 return $subcontent;
                 break;
             }
         }
     }
     return parent::getContentByDataValue($type, $value);
 }