NullPointerException after persisting null entity value as natural-Id

Description

This request is basically a reopening of HHH-7158.

story-line:
-Fixing of did successfully solve both attached testmethods, but only the first one was integrated into hibernate matrix tests.
-Fixing of did slightly change the way how natural-id-vales are compared, causing now testmethod2 fail again.

before HHH-7206:

after HHH-7206: (please notice now there has appeared persister.getFactory() as third parameter)

Proposed solutions:

Either revert back to using the isEqual method again with 2 parameters only,
or alternatevely make method
EntityType#isEqual(Object x, Object y, SessionFactoryImplementor factory)
stable against null x,y values as proposed in HHH-7158.
I don't know which one is the better solution, but both solution make the attached testcases go through without fails.

Environment

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Status

Assignee

Steve Ebersole

Reporter

Guenther Demetz

Fix versions

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Priority

Minor
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