Dan Haywood created ISIS-2064:
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Summary: Allow explicit vs implicit metamodel discovery to be
specified with @DomainObject
Key: ISIS-2064
URL: https://issues.apache.org/jira/browse/ISIS-2064
Project: Isis
Issue Type: New Feature
Reporter: Dan Haywood
Fix For: 2.0.0-M2
We currently have the configuration property
"isis.reflector.explicitAnnotations.action" which if specified requires @Action
to be added as an annotation for all public methods that don't represent
properties/collections or supporting methods. If this is enabled then there's
generally no need to annotate public methods that aren't meant to be in the
metamodel with the @Programmatic annotation.
Andi and I have just been discussing this (off-list) and wondering if we should
extend this in v2. Our idea is maybe to allow this to be specified at the
class level, and to also have three levels rather than two:
- explicit : all properties, collections and actions must be annotated
- actions : actions must be annotated, but properties and collections need not.
This is the behavior if the above configuration property is specified.
- implicit : no annotations are required. This is the current default
So, we were thinking to add a value to @DomainObject, eg
@DomainObject(metamodelDiscoveryStrategy = EXPLICIT | ACTIONS | IMPLICIT |
AS_CONFIGURED)
where "AS_CONFIGURED" would read a new configuration property that would take
these three values (replacing the existing
"isis.reflector.explicitAnnotations.action".
Two questions:
1. is the idea of a new level to explicitly annotate everything (properties and
collections as well as actions) useful ?
2. is there a need to configure this on a class-by-class basis, or is a global
configuration property sufficient?
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