On Thu, 5 Sep 2024 12:01:23 GMT, Michael Strauß <mstra...@openjdk.org> wrote:
> None of these classes can be extended by user code, and any attempt to do so > will fail at runtime with an exception. For this reason, we can seal the > class hierarchy and remove the run-time checks to turn this into a > compile-time error instead. > > In some cases, `Node` and `Shape` are extended by JavaFX classes in other > modules, preventing those derived classes from being permitted subclasses. A > non-exported `AbstractNode` and `AbstractShape` class is provided just for > these scenarios. Note that introducing a new superclass is a source- and > binary-compatible change (see [JLS ch. > 13](https://docs.oracle.com/javase/specs/jls/se22/html/jls-13.html)). > > I'm not sure if this change requires a CSR, as it doesn't change the > specification in any meaningful way. There can be no valid JavaFX program > that is affected by this change. This pull request has now been integrated. Changeset: c5a98395 Author: Michael Strauß <mstra...@openjdk.org> URL: https://git.openjdk.org/jfx/commit/c5a983952ee62ffa56a55a840b57a357fe204bcc Stats: 215 lines in 46 files changed: 93 ins; 41 del; 81 mod 8339603: Seal the class hierarchy of Node, Camera, LightBase, Shape, Shape3D Reviewed-by: angorya, kcr ------------- PR: https://git.openjdk.org/jfx/pull/1556