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https://issues.apache.org/jira/browse/SLING-9555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17147690#comment-17147690
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Carsten Ziegeler commented on SLING-9555:
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The important part is to not increase the minor version - so either create a
new class for the constants or configure the base line check to not treat it as
a minor change. This change is not breaking any implementor of that interface
> Define ResourceChange.ChangeType also as constant string values
> ---------------------------------------------------------------
>
> Key: SLING-9555
> URL: https://issues.apache.org/jira/browse/SLING-9555
> Project: Sling
> Issue Type: Improvement
> Components: API
> Reporter: Konrad Windszus
> Assignee: Konrad Windszus
> Priority: Major
> Fix For: API 2.22.2
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> As all annotation values have to be provided as constants (e.g. in
> https://docs.osgi.org/javadoc/r6/residential/org/osgi/service/component/annotations/Component.html#property())
> and conversion from {{Enum}} to {{String}} cannot be resolved at compile
> time all enum values of {{ResourceChange.ChangeType}} should also be provided
> as String constants.
> Something like this does not work
> {code}
> @Component(property = {
> ResourceChangeListener.CHANGES+"="+ResourceChange.ChangeType.REMOVED.toString()}
> )
> {code}
> Compare with https://stackoverflow.com/a/13253879.
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