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From John Huss <johnth...@gmail.com>
Subject Re: Ordering using non-property values
Date Mon, 17 Jul 2017 14:08:08 GMT
Expressions will work with non-modeled properties as long as the methods
look like getters - have the "get" prefix and no arguments.

But I would use this:

Collections.sort(list, (a,b) -> a.getSomeProp().compareTo(b.getSomeProp()));



On Mon, Jul 17, 2017 at 8:08 AM Musall, Maik <maik@selbstdenker.ag> wrote:

> Hi all,
>
> I have a UI with a list of objects and user-configurable filters and
> sorting criteria. Most of the sorting criteria are plain db path
> expressions, so I can just feed them into Ordering.orderedList(objects).
>
> A couple of them however are path expressions with the last segment being
> not a Property, but a method name that is supposed to be invoked, which
> would then return a String, after which the list is to be ordered. This
> worked fine in the past using EOF and EOSortOrdering, but Cayenne's
> ordering throws an ExpressionException on evaluate().
>
> What is the usual way in Cayenne to deal with this?
>
> Thanks
> Maik
>
>

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