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https://issues.apache.org/jira/browse/SLING-11773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17687971#comment-17687971
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Konrad Windszus commented on SLING-11773:
-----------------------------------------
I was assuming the {{@Designate}} annotation clearly connects them metatype
with the DS component
([https://github.com/apache/sling-org-apache-sling-resourcemerger/blob/186043d052c4a25553cde99d3b55e630bc6bc062/src/main/java/org/apache/sling/resourcemerger/impl/picker/ResourceTypeHierarchyBasedResourcePicker.java#L39).]
But you are right, according to
[https://docs.osgi.org/specification/osgi.cmpn/8.0.0/service.component.html#service.component-ordering.generated.properties:]
Only
{quote}Properties defined through component property types used as the type of
an activation object.
{quote}
or
{quote}Properties defined through component property types annotating the
component implementation class.
{quote}
end up as component properties.
I would prefer the latter in this case instead of introducing the empty
activate method.
> ResourceTypeHierarchyBasedResourcePicker not working anymore
> ------------------------------------------------------------
>
> Key: SLING-11773
> URL: https://issues.apache.org/jira/browse/SLING-11773
> Project: Sling
> Issue Type: Bug
> Components: Extensions
> Affects Versions: Resource Merger 1.4.0
> Reporter: Sagar Miglani
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In SLING-10168, SCR annotations were replaced by OSGi and configurations of
> {{ResourceTypeHierarchyBasedResourcePicker}} have been designated to an inner
> Configuration class, which are not getting bind properly without
> {{@Activate}} Method.
> And hence {{ResourceTypeHierarchyBasedResourcePicker}} does not seem to be
> registered by
> {{MergedResourcePickerWhiteboard}} [0].
> Compared generated XMLs:
> *With {{Activate}} Method injection:*
> {code:xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.3.0";
> name="org.apache.sling.resourcemerger.picker.overriding"
> configuration-policy="require" activate="activate">
> <property name="merge.root" type="String" value="/mnt/override"/>
> <property name="merge.readOnly" type="Boolean" value="true"/>
> <property name="merge.traverseParent" type="Boolean" value="true"/>
> <service>
> <provide
> interface="org.apache.sling.resourcemerger.spi.MergedResourcePicker2"/>
> </service>
> <implementation
> class="org.apache.sling.resourcemerger.impl.picker.ResourceTypeHierarchyBasedResourcePicker"/>
> </scr:component>
> {code}
> *Without {{@Activate}} method injection:*
> {code:xml}
> <?xml version="1.0" encoding="UTF-8"?>
> <scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.3.0";
> name="org.apache.sling.resourcemerger.picker.overriding"
> configuration-policy="require">
> <property name="merge.traverseParent" type="Boolean" value="true"/>
> <service>
> <provide
> interface="org.apache.sling.resourcemerger.spi.MergedResourcePicker2"/>
> </service>
> <implementation
> class="org.apache.sling.resourcemerger.impl.picker.ResourceTypeHierarchyBasedResourcePicker"/>
> </scr:component>
> {code}
> [0]:
> https://github.com/apache/sling-org-apache-sling-resourcemerger/blob/master/src/main/java/org/apache/sling/resourcemerger/impl/MergedResourcePickerWhiteboard.java#L87
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