presto-orc/src/main/java/io/prestosql/orc/OrcWriteValidation.java/OrcWriteValidation/addStripe
class OrcWriteValidation:        public void addStripe(int rowCount)
        {
            longSlice.setInt(0, rowCount);
            stripeHash.update(longBuffer, 0, Integer.BYTES);
        }