public function save(Connection $connection)
{
$select = $this->selectExecute($connection->getName());
$id = $select->fetchColumn(0);
$params = array();
if ($id) {
$params['id'] = $id;
$statement = $this->getUpdate();
} else {
$statement = $this->getInsert();
}
$params['name'] = $connection->getName();
$params['offer'] = $connection->getOffer();
$params['answer'] = $connection->getAnswer();
$params['candidates'] = serialize($connection->getCandidates());
$result = $statement->execute($params);
if (!$result) {
throw new \Exception("failed to save connection record.");
}
}
