how to access list of parent from child object in Java Action(using proxies)

I have a one to many relationship (many is parent and one is child). We can access list of parent from child in microflows but can not do that in java action coding as their is no proxy method created by mendix(mendix  provides parent to child retrieval proxy method). so if many wheels associated with one car, we can access car from wheels in java action but not  wheels from car.   Please Help how can i achieve that.
1 answers

The proxy only provides those methods to the owner of the association. In your example, wheel is the owner of the association and does hove the method. Car does not have it.

You could use a retrieve by xpath. This is available in java.