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From: John Huss <johnthuss@gmail.com>
Date: Wed, 12 Apr 2017 17:11:50 +0000
Message-ID: <CAOUwSGuz2g9EHMp7vtrtBwabZacDPz69HA=riCn9CDK9DyOb6A@mail.gmail.com>
Subject: Re: in-memory filter by Expression accessing regular methods
To: user@cayenne.apache.org
Content-Type: multipart/alternative; boundary=94eb2c1243387fa6fc054cfb4e2d
archived-at: Wed, 12 Apr 2017 17:12:11 -0000

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Ok, you can use property utils in conjunction to call a method using
reflection (with a string name)
On Wed, Apr 12, 2017 at 6:07 PM Musall, Maik <maik@selbstdenker.ag> wrote:

> Hi John,
>
> how do you mean that? Those filter paths come from the UI, passed on by
> the user assembling filter criteria. I wouldn't use string filter paths if
> the criteria would be constant.
>
> Maik
>
> > Am 12.04.2017 um 19:03 schrieb John Huss <johnthuss@gmail.com>:
> >
> > Just use a java 8 stream and lambda in addition or instead of.
> > On Wed, Apr 12, 2017 at 4:48 PM Musall, Maik <maik@selbstdenker.ag>
> wrote:
> >
> >> Hi,
> >>
> >> when filtering a list of objects by expression.filterObjects( list ), is
> >> there a way for the expression to access regular methods instead of
> Cayenne
> >> db properties?
> >>
> >> Use Case: I have a class A that has several relationships to class B,
> and
> >> it depends on a number of factors which is relevant in this case. So
> there
> >> is a method that returns either this or that relation to class B. I
> would
> >> like to include the method name in the expression path. (This was
> possible
> >> in EOF, and I just found that it doesn't work in Cayenne.)
> >>
> >> Thanks
> >> Maik
> >>
> >>
>
>

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