After thinking about this more, I realize there are some very serious
issues if Hibernate:
* allows composites with primitive or initialized (non-null) attributes to
be instantiated when hibernate.create_empty_composites.enabled=true
* assumes that an empty composite with primitive values or initi
I realized that ComponentType#isEqual as well as #isSame, #compare,
#isDirty, and #isModified do not treat empty composites as equivalent to
null in the following cases:
1) the composite has a primitive attribute;
2) the composite has a singular attribute that gets initialized to a
non-null (or no
