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https://issues.apache.org/jira/browse/SLING-8706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16971748#comment-16971748
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Evgeny Tugarev commented on SLING-8706:
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I can have a look on implementing this, however I am slightly concerned that
_Optional_ class is not serializable. I think this will introduce an artificial
limitation and may be problematic in long run. Please correct me if I am wrong.
> Injections for java.util.Optional<> should be automatic optional
> -----------------------------------------------------------------
>
> Key: SLING-8706
> URL: https://issues.apache.org/jira/browse/SLING-8706
> Project: Sling
> Issue Type: Improvement
> Components: Sling Models
> Reporter: Jörg Hoh
> Priority: Major
>
> The current approach to support optional injections requires to annotate the
> field with {{@Optional}} plus proper handling within the javacode (null
> checks etc), which can be forgotten.
> So instead of
> {code}
> @Inject @Optional
> String fieldname;
> {code}
> it should also be possible to use this
> {code}
> @Inject
> Optional<String> fieldname;
> {code}
> with the very same semantic. But the developer is forced to deal with the
> case that the value is not present.
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