public function objectChanged(BaseObject $object, array $modifiedColumns)
{
$tagsIdsToRemove = array();
$oldTags = $object->getColumnsOldValue(self::getClassConstValue(get_class($object->getPeer()), self::TAGS_FIELD_NAME));
if ($oldTags && $oldTags != "") {
$tagsIdsToRemove = $this->checkExistForDelete($object, $oldTags);
}
$tagsToRemove = TagPeer::retrieveByPKs($tagsIdsToRemove);
foreach ($tagsToRemove as $tagToRemove) {
$tagToRemove->delete();
}
$tagsToAdd = $this->checkExistsForAdd($object);
$this->addTags($tagsToAdd, $this->getObjectIdByClassName(get_class($object)), $object->getPartnerId());
}
