Send ValueProxy to server during edit operation

Hi,

I've been struggling with this problem for 2 days now, hope that one of you already faced it and could help me.

Lets say I've EntityProxy A contains two ValueProxies A.x and A.y.

For this EntityProxy A I've got an Editor consists of 2 subeditors for the ValueProxies (Editing operation works just fine).

Lately I've got a request in which during the editing operation I need to listen to (ValueProxy) A.x sub editor's fields change events and once one of A.x fields is changed I need to send A.x to the server. 

Basically the reason for doing so is to suggest data based on what the user insert, and do it before user saves A  (before flushing the Editor).

Been trying the following ways to achieve that.

1. Create method in A's service that get A and return the suggested message.

2. On change events send A to the server - throws - Attempting to edit an EntityProxy previously edited by another RequestContext

3. Used the same RequestContext as in the Editor to send A to the server - ServerFailure - The call failed on the server due to a ConstraintViolation

4. Changed the method on A's service to get (ValueProxy) a.x and return the suggested messgage - ServerFailure - The call failed on the server due to a ConstraintViolation

5. Used new RequestContext to send A.x to the server - does not throw any error but all fields on A.x on the service are null.

Any advice will be welcome.

Thanks a lot in advanced.

Ido

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