As One is a field of Two. When you change One you are also changing Two, so you most notify the engine for Two too.

MArk
On 22/06/2011 14:37, Wolfgang Laun wrote:

To avoid misunderstandings: yes, equals() is written according to hashCode, i.e., according to the usual Java conventions.

If

   - an object of class Two contains a member of class One, and
   - one object Two and one object One are facts, and
   - a rule modifies One, changing its hashCode

then

   another rule containing the patterns
   $one: One()
   $two: Two( $x: one == $one )

does NOT fire (any more).

If you use the constraint
   one == $one || != $one
the rule will fire, and you can observe that hashCode results for $one and $x are the same and that $one.equals( $x ) returns true.

Reproduced using 5.1.1 and 5.2.x

-W
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