Hi Mark,
I ended up implementing a MandatoryTermsFilter, which looks like:
class MandatoryTermsFilter extends Filter {
List terms
BitSet bits( IndexReader reader ){
int size = reader.maxDoc()
BitSet result = new BitSet( size )
BitSet andMask = new BitSet( size )
andMask.set 0, size - 1, true
terms.each{ term ->
result.clear()
TermDocs td = reader.termDocs( term )
while( td.next() ){ result.set td.doc() }
andMask &= result
}
return andMask
}
}
here I'm AND-ing each bitset. Does it look ok?
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