[hibernate-issues] [Hibernate-JIRA] Updated: (HV-468) Determine whether a property is indexed based on the runtime not static type
Hardy Ferentschik (JIRA)
noreply at atlassian.com
Mon Apr 25 14:48:59 EDT 2011
[ http://opensource.atlassian.com/projects/hibernate/browse/HV-468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hardy Ferentschik updated HV-468:
---------------------------------
Assignee: Hardy Ferentschik
Fix Version/s: (was: 4.2.0.Final)
4.2.0.CR1
> Determine whether a property is indexed based on the runtime not static type
> ----------------------------------------------------------------------------
>
> Key: HV-468
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HV-468
> Project: Hibernate Validator
> Issue Type: Bug
> Components: engine
> Affects Versions: 4.2.0.Beta2
> Reporter: Hardy Ferentschik
> Assignee: Hardy Ferentschik
> Fix For: 4.2.0.CR1
>
>
> from the mailing list:
> {quote}
> there was an interesting question on the Validator forum
> (https://forum.hibernate.org/viewtopic.php?f=9&t=1010626&start=0)
> which IMO boils down to the question whether the static or the runtime
> type of an association should be considered when creating property
> paths in case of cascading validations.
> An example:
> {code}
> class Foo {
> private Collection<Bar> bar1 = new ArrayList<Bar>();
> private List<Bar> bar2 = new ArrayList<Bar>();
> }
> {code}
> When validating an instance of Foo (which has invalid elements in
> bar1/bar2) with HV, the resulting property path node for bar1 would be
> iterable but not indexable ("bar1[]"), while the property path node
> for bar2 would be iterable and indexable ("bar2[123]"). This is that
> way because the static type of bar1/bar2 (Collection vs. List) is
> considered when building the nodes, and not the runtime type
> (ArrayList in both cases).
> That said, basing the path on the runtime type instead would seem
> reasonable to me, too (as for instance the constraints to validate are
> also determined based on the runtime type of references). I scanned
> through the BV spec. (section 4.5) but didn't find a clear answer
> which approach should be followed. Are there any opinions on that?
> {quote}
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