I don't want DTO - entity relation, the idea here is to make clear
separation of JPA entities and DTOs that can be send over REST/RMI
call/serialized.
So you don't think there is some "wickety " magic to make this less painful?
Own class is sure thing, if nothing else than for tests...
Zbynek
On Mon, Jul 1, 2019 at 7:22 PM Sven Meier <s...@meiers.net> wrote:
> Hi,
>
> preferably your dto would hold a batch instance instead of the name only.
>
> In your case you have to do the mapping somewhere, the renderer is a
> good place for that.
> Move it into its own class file so it won't hurt so much :P.
>
> Have fun
> Sven
>
>
> On 01.07.19 14:45, Zbynek Vavros wrote:
> > Hi,
> >
> > I don't have any specific use-case for this but I'm interested on how to
> do
> > this properly.
> >
> > There is a DropDownChoice that displays list of Batches.
> > Now the display option should be "id" and "name" concated together and
> > the DropDownChoice selection model will be only the name.
> >
> > Batch is simple entity/DTO with Long id and String name, something like:
> >
> > public class Batch implements Serializable {
> > private Long id;
> > private String name;
> > }
> >
> > DropDownChoice is added to form that has CompoundPropertyModel for
> example
> > like this:
> >
> > public class ResultDto implement Serializable {
> > private String batchName;
> > }
> >
> > the only solution I can think of is custom IChoiceRenderer but looks
> nasty
> >
> > List<Batch> batches = Lists.newArrayList();
> > List<String> names
> > =batches.stream().map(Batch::getName).collect(Collectors.toList());
> >
> > add(new DropDownChoice<>(" batchName ", names, new
> > IChoiceRenderer<String>() {
> > @Override
> > public Object getDisplayValue(String name) {
> >
> > Batch batch1 = batches.stream().filter(batch ->
> > name.equalsIgnoreCase(batch.getName())).findFirst().get();
> >
> > return batch1.getId() + " - " + batch1.getName();
> > }
> >
> > @Override
> > public String getIdValue(String object, int index) {
> > return String.valueOf(index);
> > }
> >
> > @Override
> > public String getObject(String id, IModel<? extends List<?
> > extends String>> choices) {
> > return batches.get(Integer.valueOf(id)).getName()
> > }
> > }));
> >
> > Surely there has to be a better way to do this!
> >
> > Zbynek
> >
>
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