/**
* Creates a new unique index for this choice.
*
* If a property path for the index was given at object creation,
* the getter behind that path is now called to obtain a new value.
*
* Otherwise a new integer is generated.
*
* @param mixed $choice The choice to create an index for
* @return integer|string A unique index containing only ASCII letters,
* digits and underscores.
*/
protected function createIndex($choice)
{
if ($this->indexPath) {
return $this->indexPath->getValue($choice);
}
return parent::createIndex($choice);
}
/**
* Creates a new unique index for this entity.
*
* If the entity has a single-field identifier, this identifier is used.
*
* Otherwise a new integer is generated.
*
* @param mixed $choice The choice to create an index for
*
* @return integer|string A unique index containing only ASCII letters,
* digits and underscores.
*/
protected function createIndex($entity)
{
if ($this->idAsIndex) {
return current($this->getIdentifierValues($entity));
}
return parent::createIndex($entity);
}