private void calculateIteratorsPerConjunction(List<ConjunctionIdIterator> iterators) {
            Arrays.fill(iteratorsPerConjunction, (byte)0);
            for (ConjunctionIdIterator iterator : iterators) {
                for (int id : iterator.getConjunctionIds()) {
                    if (ConjunctionId.isPositive(id)) {
                        ++iteratorsPerConjunction[id >>> 1];
                    }
                }
            }
        }
Retrieves a list of hits for the given query.

@param query Specifies the boolean variables that are true.
@return List of hits
predicate-search/src/main/java/com/yahoo/search/predicate/index/conjunction/ConjunctionIndex.java