@Override public SmallEvent build() { try { SmallEvent record = new SmallEvent(); record.user_id = fieldSetFlags()[0] ? this.user_id : (java.lang.Long) defaultValue(fields()[0]); record.session_id = fieldSetFlags()[1] ? this.session_id : (java.lang.String) defaultValue(fields()[1]); return record; } catch (Exception e) { throw new org.apache.avro.AvroRuntimeException(e); } } }