@Override
  public ReplicaGetsOperation replicaGets(String key, int index,
    ReplicaGetsOperation.Callback callback) {
    throw new UnsupportedOperationException("Replica gets is not supported "
      + "for ASCII protocol");
  }
Operation factory for the ascii protocol.
src/main/java/net/spy/memcached/protocol/ascii/AsciiOperationFactory.java