Default cases can be helpful. Unfortunately, with generated serdes (as in Thrift, Avro, or Protobufs), you may not have control over the decoding or ability to

Default cases can be helpful. Unfortunately, with generated serdes (as in Thrift, Avro, or Protobufs), you may not have control over the decoding or ability to customize the default case. For some of the details WRT Thrift in particular, there's a related discussion underway on the user mailing list now: http://mail-archives.apache.org/mod_mbox/thrift-user/201311.mbox/browser http://mail-archives.apache.org/mod_mbox/thrift-user/201311....