function storeAssociation($server_url, $association)
{
if ($this->resultToBool($this->_set_assoc($server_url, $association->handle, $this->blobEncode($association->secret), $association->issued, $association->lifetime, $association->assoc_type))) {
$this->connection->commit();
} else {
$this->connection->rollback();
}
}