ListEditor and persisting changes to the server

Hi,

my goal is to get a kind of 'auto-persist' feature of my editors.

I have

• a class 'A' defining a ListEditor that creates a list of class 'B' editors
• a class B that implements ValueAwareEditor with a CheckBox attribute
• the ValueChangeHandler of the CheckBox calls driver.flush()
• communication uses RequestFactoryEditorDriver

Always if the value of some CheckBox has changed, I want the ListEditors parent class 'A' to call a persist service to immediately persist any changes in a sub-editor on the server.. An example with a 'Save' button in the class 'A' is already working.
I can only find examples that require user input. A guess is that calling a (static) method A.persist() in the ValueChangeHandler of a CheckBox is not the right way.
Probably you see that I'm very new to RequestFactory and Editors.

Thanks in advance.
Holger

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