Payloads are only scored from certain query types. What query are you
executing?
> On Mar 13, 2018, at 04:58, Grdan Eenc <erdan.g...@googlemail.com> wrote:
>
> Hej there,
>
> I want to extend the TFIDF Similarity class such that the term frequency is
> neglected and the value in the payload used instead. Therefore I basically
> do this:
>
> @Override
> public float tf(float freq) {
> return 1f;
> }
>
> public float scorePayload(int doc, int start, int end, BytesRef
> payload) {
> if (payload != null) {
> return PayloadHelper.decodeFloat(payload.bytes, payload.offset);
> } else {
> return 1f;
> }
> }
>
> Complete class can be found here:
>
> https://gist.github.com/nadre/66be2a2a32214f2c5ec1ec1f6edcef08
>
> Unfortunately the scorePayload never gets called and I end up with the
> wrong scoring. I know that scorePayload is deprecated in Lucene 7.2.1 but
> it should work in 7.1.0 or am I missing something?
>
> I implemented the same thing by directly extending the basic Similarity
> class and iterating through doc terms using the LeafReaderContext, based on
> the code in this repo:
>
> https://github.com/sdauletau/elasticsearch-position-similarity
>
> This works but is horribly slow which is why I would prefer the first idea.
>
> Any idea why scorePayload doesn't get called? I really couldn't find any
> resources on the net.
>
> Best, Erdan.
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