@Override
  public void fromData(DataInput in) throws IOException, ClassNotFoundException {
    className = DataSerializer.readString(in);
    value = DataSerializer.readString(in);
    hashCode = in.readInt();
  }
This constructor is only for use by the DataSerializable mechanism
geode-core/src/main/java/org/apache/geode/internal/admin/remote/RemoteObjectName.java