Use shadow facts.
see http://www.jessrules.com/jesswiki/view?FactsVsShadowFacts
On Nov 4, 2011, at 1:08 PM, Hunter McMillen wrote:
Hi everyone,
I am trying to assert to Jess that an object exists when I encounter a new
object in my Java program. Right now I am using a template to mirror
Thanks for your quick reply. After I manage to get my Java object into
Jess, can I assert it as a fact? Then have rules lhs match on the existence
of some object with attributes x, y, and z?
Hunter
On Fri, Nov 4, 2011 at 4:01 PM, Friedman-Hill, Ernest ejfr...@sandia.govwrote:
**
There are
That's what Rete.add() and Rete.definstance() do. If that's the goal, all of
this other stuff is superfluous -- just call add() or definstance() from Java.
From: owner-jess-us...@sandia.gov [mailto:owner-jess-us...@sandia.gov] On
Behalf Of Hunter McMillen
Sent:
I daresay, not all of us use the same terms for the same things ;-)
I'll use Pojo for a Java object; it contains data in named fields. I'll
use Fact for an entitiy that has been inserted into Jess' Working Memory;
it contains data in named slots. And then, there is a shadow fact, which
is a fact
There are (obviously) two options: (a) put the object somewhere accessible, and
run Jess code that retrieves it, or (b) use Jess's Java API to set a Jess
variable to contain the object. Either would work. The store/fetch mechanism is
sort of an built-in easy way to do (a). Alternatively, say
