@Override
    public void toData(DataOutput out,
        SerializationContext context) throws IOException {
      super.toData(out, context);
      out.writeInt(processorId);
      out.writeInt(Id);
    }
Empty constructor to conform to DataSerializable interface
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/IdentityRequestMessage.java