/**
* {@inheritDoc}
*/
protected function _foreignOnClause($on)
{
$parent = parent::_foreignOnClause($on);
return $parent === 'RESTRICT' ? parent::_foreignOnClause(Table::ACTION_SET_NULL) : $parent;
}
/**
* @return array|mixed|string
*/
public function getLanguages()
{
$languages = parent::getLanguages();
if (empty($languages)) {
$languages = [$this->getLanguage()];
if (empty($languages)) {
$languages = ['en'];
}
} else {
$languages = unserialize($languages);
}
return $languages;
}
/**
* Returns a peer instance associated with this om.
*
* Since Peer classes are not to have any instance attributes, this method returns the
* same instance for all member of this class. The method could therefore
* be static, but this would prevent one from overriding the behavior.
*
* @return SchemaPeer
*/
public function getPeer()
{
if (self::$peer === null) {
self::$peer = new SchemaPeer();
}
return self::$peer;
}