is org.apache.lucene.search.docidsetiterator implemented in a `` fast '' manner.for example , it does not ends up iterating one doc at a time check for its `` value '' . concode_field_sep PlaceHolder placeHolder concode_field_sep DocIdSet toCacheable concode_elem_sep Bits toSafeBits concode_elem_sep long sizeInBytes concode_elem_sep boolean isEmpty concode_elem_sep FixedBitSet toFixedBitSet
boolean function ( DocIdSet arg0 ) { return arg0 instanceof FixedBitSet ; }