Doctrine: How to traverse from an entity to another 'linked' entity? - doctrine

Question

I'm loading 3 different tables using a cross-join in Doctrine_RawSql. This brings me back the following object:
User -> User class (doctrine base class)
Settings -> DoctrineCollection of Setting
User_Settings -> DoctrineCollection of User_Setting
The object above is the result of a many-to-many relationship between User and Setting where User_Setting acts as a reference table. User_Setting also contains another field named value. This obviously contains the value of the corresponding Setting.
All good so far, however the Settings and User_Settings properties of the returned User object are in no way linked to each other (apart from the setting_id field ofcourse).
Is there any direct way to traverse directly from the Settings property to the corresponding User_Settings property?
This is the corresponding query:
$sets = new Doctrine_RawSql();
$sets->select('{us.*}, {s.*}, {uset.*}')
->from('(User us CROSS JOIN Setting s) LEFT JOIN User_Setting uset ON us.user_id = uset.user_id AND s.setting_id = uset.setting_id')
->addComponent('us', 'User us')
->addComponent('uset', 'us.User_Setting uset')
->addComponent('s', 'us.Setting s')
->where('s.category_id = ? AND us.user_id = ?',array(1, 1));
$sets = $sets->execute();
Edit:
1: this is the related YAML markup
//User relations:
Setting:
class: Setting
foreignAlias: User
refClass: User_Setting
local: user_id
foreign: setting_id
//Setting relations:
User:
class: User
foreignAlias: Setting
refClass: User_Setting
local: setting_id
foreign: user_id
//User_Setting relations:
Setting:
foreignAlias: User_Setting
local: setting_id
foreign: setting_id
User:
foreignAlias: User_Setting
local: user_id
foreign: user_id
2. This is the object code (which is generated from YAML):
//BaseUser setup()
$this->hasMany('Setting', array(
'refClass' => 'User_Setting',
'local' => 'user_id',
'foreign' => 'setting_id'));
$this->hasMany('User_Setting', array(
'local' => 'user_id',
'foreign' => 'user_id'));
//BaseSetting setup()
$this->hasMany('User', array(
'refClass' => 'User_Setting',
'local' => 'setting_id',
'foreign' => 'user_id'));
$this->hasMany('User_Setting', array(
'local' => 'setting_id',
'foreign' => 'setting_id'));
//BaseUser_Setting setup()
$this->hasOne('Setting', array(
'local' => 'setting_id',
'foreign' => 'setting_id'));
$this->hasOne('User', array(
'local' => 'user_id',
'foreign' => 'user_id'));

Answer 1

Actually you should define one-to-many relationship in the ref table, but using hasOne() :
class User_Setting
{
....
public function setUp()
{
parent::setUp();
$this->hasOne('User', array(
'local' => 'user_id',
'foreign' => 'id'));
$this->hasOne('Setting', array(
'local' => 'setting_id',
'foreign' => 'id'));
}
}
Then you will have a Doctrine_Record instead of a Doctrine_Collection.

Answer 2

You can define missing relations in User_Setting class:
class User_Setting
{
// ...
public function setUp()
{
$this->hasMany('Users', array(
'class' => 'User',
'local' => 'user_id',
'foreign' => 'id',
));
$this->hasMany('Settings', array(
'class' => 'Setting',
'local' => 'setting_id',
'foreign' => 'id',
));
}
}