bdbyrne commented on pull request #8610:
URL: https://github.com/apache/kafka/pull/8610#issuecomment-624318293
> Hi @bdbyrne , thanks for the comment. The link seems not working. I guess
you mean this part we should replace the empty string "" by null?
>
> > ```
> > private[admin] def entityNames(): List[String] = {
> > val namesIterator = options.valuesOf(entityName).iterator
> > options.specs.asScala
> > .filter(spec => spec.options.contains("entity-name") ||
spec.options.contains("entity-default"))
> > .map(spec => if (spec.options.contains("entity-name"))
namesIterator.next else "").toList ++
> > entityFlags
> > .filter(entity => options.has(entity._1))
> > .map(entity => options.valueOf(entity._1)) ++
> > entityDefaultsFlags
> > .filter(entity => options.has(entity._1))
> > .map(_ => "")
> > }
> > ```
That's correct, yes. You could do it in the provided code, however keep in
mind that the ZK path currently uses it as well and would expect the empty
string. The alternative is to do the substitution (`"" -> null`) when creating
the `ClientQuotaEntity`, which is exclusive to the `AdminClient` path.
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