For (1) - I can't explain it but I've run into documents with 0.0f scores.
For (2) - this is a simple logic - if the lowest score in the queue is 'x'
and you want to top docs only, then there's no point in attempting to insert
a document with score lower than 'x' (it will not be added).
Maybe I didn't understand your question correctly though ...
On Dec 11, 2007 2:25 PM, Timo Nentwig <[EMAIL PROTECTED]> wrote:
> On Monday 10 December 2007 09:15:12 Paul Elschot wrote:
> > The current TopDocCollector only allocates a ScoreDoc when the given
> > score causes a new ScoreDoc to be added into the queue, but it does
>
> I actually wrote my own HitCollector and now wonder about TopDocCollector:
>
> public void collect(int doc, float score) {
> if (score > 0.0f) {
> totalHits++;
> if (hq.size() < numHits || score >= minScore) {
> hq.insert(new ScoreDoc(doc, score));
> minScore = ((ScoreDoc)hq.top()).score; // maintain minScore
> }
> }
> }
>
> 1) How can there be hits with score=0.0?
> 2) I don't understand minScore: inserts only document having a higher
> score
> than the lowest score already in queue?
>
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--
Regards,
Shai Erera
