I have a case where I have to use a non-EO (aka a plain Java object) in a 
display group because the non-EO holds the results of a calculation and other 
stuff. Everything works fine, and that non-EO also have a reference to a EO. 
Everything works fine, except for one thing. I need to filter the displayed 
objects by modifying the qualifier based on a user action, but the qualifier 
don't remove anything.

So, when the user action is called, I do this:

    if (filterDateForTransactions == null) {
      filterDateForTransactions = new NSTimestamp();
    }
    
dg().setQualifier(FakeManifestItem.MAIN_TRANSACTION.dot(Transaction.DATE_END).before(filterDateForTransactions));
    dg().updateDisplayedObjects();

FakeManifestItem is the non-EO, and I added a ERXKey (MAIN_TRANSACTION) to the 
Transaction EO class. But when this is called, the array stays the same. Anyway 
to get this to work on non-EO?


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