@Override
  public void fromData(DataInput in,
      DeserializationContext context) throws IOException, ClassNotFoundException {
    super.fromData(in, context);
    processorId = in.readInt();
    newId = in.readInt();
  }
Empty constructor to support DataSerializable instantiation
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/IdentityUpdateMessage.java