public override DocIdSet GetDocIdSet(IndexReader reader) { System.Collections.BitArray bitset = new System.Collections.BitArray((5 % 64 == 0?5 / 64:5 / 64 + 1) * 64); for (int i = 0; i < 5; i++) bitset.Set(i, true); return new DocIdBitSet(bitset); } }