[rules-users] equality-based assert behavior and findFactHandle
Adam Lewandowski
adam at alewando.com
Mon Oct 29 16:04:14 EDT 2007
Done. JIRA-1308 (http://jira.jboss.com/jira/browse/JBRULES-1308).
BTW, version 4.0.3 showed up under 'Unreleased Versions'
Edson Tirelli wrote:
>
> Adam,
>
> Yes, you are right. I'm not sure why it uses the identity map
> instead of assert map, but maybe we should change that or at least
> providing an alternative method for that. May I ask you please to open
> a JIRA for it?
>
> Mark, are you ok with changing the behavior?
>
> []s
> Edson
>
>
> 2007/10/29, Adam Lewandowski <adam at alewando.com
> <mailto:adam at alewando.com>>:
>
> If I set my rule base to use equality-based assert behavior, I'm
> expecting to be able to use the getFactHandle(object) method to
> retrieve
> a previously asserted fact by providing an equivalent (by equals() and
> hashCode()) object as an argument. This appears to not be the case, as
> AbstractWorkingMemory uses it's identityMap and associated
> IdentityAssertMapComparator to do the getFactHandle lookup instead of
> the assertMap and EqualityAssertMapComparator. This causes the
> lookup to
> be done with the system hashCode() method and not the overridden
> version
> supplied in my fact class. The lookup thus fails and returns null.
>
> Is there a way to have getFactHandle or some equivalent code do what I
> want? This is with 4.0.3.
>
> Thanks,
> Adam Lewandowski
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>
> --
> Edson Tirelli
> Software Engineer - JBoss Rules Core Developer
> Office: +55 11 3529-6000
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> JBoss, a division of Red Hat @ www.jboss.com <http://www.jboss.com>
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