function validate($username, $password)
{
$session = Node::getOne(array(Node::FIELD_COLLECTION => FRAMEWORK_COLLECTION_SESSION, 'username' => Database::escapeValue($username)));
$res = Session::validate($username, $password, $this->request()->fingerprint());
if (is_int($res)) {
switch ($res) {
case Session::ERR_MISMATCH:
throw new ServiceException('Username and password mismatch.', $res);
break;
case Session::ERR_EXISTS:
throw new ServiceException('Session already exists.', $res);
break;
}
}
return $res;
}
/**
* Loads data into current intance with specified $entityId from collection.
*
* @param {array|string|number} $filter Scalar types will be treated as identity,
* array types will be used as is.
*/
function load($identity)
{
if (!$identity) {
return $this;
}
$identity = Database::escapeValue($identity);
$filter = array(Node::FIELD_COLLECTION => self::collectionName());
if (is_scalar($identity)) {
$filter[$this->_primaryKey] = $identity;
} else {
if (is_array($identity)) {
$filter += $identity;
}
}
$this->beforeLoad($filter);
if ($filter !== false) {
$this->data((array) @Node::getOne($filter));
$this->afterLoad();
}
return $this;
}
