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https://issues.apache.org/jira/browse/LUCENE-5370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13944890#comment-13944890
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Massimo Ferrario commented on LUCENE-5370:
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Yes, I did exaclty what you suggested: I created a simple comparator for
FacetResultNode so I can re-order list using string label, after computed the
top-n facet.
Yes, I have d unique value per document, but my facet are strings (for example
Company Name) not number.
Thanks for suggestions.
> Sorting Facets on CategoryPath (Label)
> --------------------------------------
>
> Key: LUCENE-5370
> URL: https://issues.apache.org/jira/browse/LUCENE-5370
> Project: Lucene - Core
> Issue Type: New Feature
> Components: modules/facet
> Affects Versions: 4.6
> Reporter: Rob Audenaerde
> Labels: features
>
> Facet support sorting through {{FacetRequest.SortOrder}}. This is used in the
> {{ResultSortUtils}}. For my application it would be very nice if the facets
> can also be sorted on their label.
> I think this could be accomplished by altering {{FacetRequest}} with an extra
> enum {{SortType}}, and two extra {{Heap}} in {{ResultSortUtils}} which
> instead of comparing the double value, compare the CategoryPath.
> What do you think of this idea? Or could the same behaviour be accomplished
> in a different way already?
> (btw: I tried building this patch on the trunk of lucene5.0; but I couldn't
> get the maven build to build correctly. I will try again lateron on the 4.6
> branch.
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