[jira] [Resolved] (ISIS-1311) Mixins for Persistable metadata causes exception when rendering.

["Dan Haywood (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ISIS-1311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Haywood resolved ISIS-1311.
-------------------------------
    Resolution: Fixed

Some of this work done on ISIS-993.

> Mixins for Persistable metadata causes exception when rendering.
> ----------------------------------------------------------------
>
>                 Key: ISIS-1311
>                 URL: https://issues.apache.org/jira/browse/ISIS-1311
>             Project: Isis
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.11.1
>            Reporter: Dan Haywood
>            Assignee: Dan Haywood
>             Fix For: 1.12.0
>
>
> one (or both) of these causes issue (this in the github.com/incodehq/contactapp)
> {code}
> @Mixin
> public class Persistable_id {
>     private final Persistable persistable;
>     public Persistable_id(Persistable persistable) {
>         this.persistable = persistable;
>     }
>     @MemberOrder(name = "Metadata", sequence = "1")
>     @Action(semantics = SemanticsOf.SAFE)
>     @ActionLayout(contributed = Contributed.AS_ASSOCIATION)
>     @PropertyLayout()
>     public Object $$() {
>         final Object objectId = JDOHelper.getObjectId(persistable);
>         if(objectId instanceof DatastoreId) {
>             final DatastoreId datastoreId = (DatastoreId) objectId;
>             return datastoreId.getKeyAsObject();
>         }
>         return null;
>     }
>     public boolean hide$$() {
>         return $$() == null;
>     }
> }
> {code}
> and/or
> {code}
> @Mixin .. 
> public class Persistable_version {
>     private final Persistable persistable;
>     public Persistable_version(Persistable persistable) {
>         this.persistable = persistable;
>     }
>     @MemberOrder(name = "Metadata", sequence = "2")
>     @Action(semantics = SemanticsOf.SAFE)
>     @ActionLayout(contributed = Contributed.AS_ASSOCIATION)
>     @PropertyLayout()
>     public Object $$() {
>         return JDOHelper.getVersion(persistable);
>     }
>     public boolean hide$$() {
>         return $$() == null;
>     }
> }
> {code}



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