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feat: void secondary to primary mapper #2906

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feat: void secondary to primary mapper #2906

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e7e00cb
feat: add void secondary to primary
csviri Aug 21, 2025
7c060db
wip
csviri Aug 21, 2025
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12 changes: 12 additions & 0 deletions ...e/src/main/java/io/javaoperatorsdk/operator/processing/event/source/informer/Mappers.java
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Original file line number Diff line number Diff line change
Expand Up @@ -176,4 +176,16 @@ public Set<ResourceID> toPrimaryResourceIDs(HasMetadata resource) {
return Mappers.fromDefaultAnnotations(primaryResourceType).toPrimaryResourceIDs(resource);
}
}

/**
* The purpose of this mapper is to cover the cover case, when you don't want to be notified about
* changes of a resource. For example, it is read-only, and not expected to be changed. Note that
* having this you won't be able to access the resource through {@link
* io.javaoperatorsdk.operator.api.reconciler.Context#getSecondaryResources(Class)} only directly
* from event source like by {@link InformerEventSource#get(ResourceID)}. Use this with caution
* since usually this is not something that you require from an event source.
*/
public static <T> SecondaryToPrimaryMapper<T> voidSecondaryToPrimaryMapper() {
return resource -> Set.of();
}
}