Uwe Schindler wrote:
>
> To just count the results use TotalHitCountCollector (since Lucene Core
> 3.1)
> with IndexSaercher.search().
>
ok, thanks for that!
so the code should look like:
CachingWrapperFilter cwf = new CachingWrapperFilter( filter )
searcher.search( query, cwf ... ) // search 1st time, to populate cache
for( cat in categories ){
TotalHitCountCollector thcc = new TotalHitCountCollector()
searcher.search new TermQuery( new Term( 'category', cat ) ), cwf, thcc
long freq = thcc.totalHits
}
TotalHitCountCollector doesn't calculate the score, does it?
Can I reuse the thcc instance in the loop?
TIA
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