Yes, Jess will handle that correctly. When test-folding was first
released there was indeed a problem with this, but it's fixed now.
On Oct 22, 2007, at 11:17 AM, Shyamal Pandya1 wrote:
The manual says the following :
" In fact, starting with Jess 7.1, the functions in a test CE are
simply
added to the previous pattern's tests."
Is this true even if the previous pattern is backchain-reactive? I've
read somewhere on this list that backchain-reactive patterns can only
contain simple tests. Given this, can we have a condition like
(A (x ?x) (y ?y))
(test (> ?x ?y))
Where A is backchain-reactive?
If so, are there any limitations with respect to test and backward
chaining patterns?
Thanks,
Shyamal
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Ernest Friedman-Hill
Sent: Friday, October 05, 2007 11:27 PM
To: jess-users@sandia.gov
Subject: JESS: Announcing Jess 7.1a3
Jess is the Rule Engine for Java Programmers.
We're pleased to announce the immediate availability of Jess 7.1a3
from
http://www.jessrules.com/download.shtml
This release includes some important bug fixes as well as some
exciting new features. In particular, Jess7.1a3 optimizes the "test"
CE as well as some uses of functions during pattern matching,
resulting in both memory and performance improvements. Jess 7.1a3
also introduces a new "dotted variable" notation for referring to
facts and their slots; this new notation leads to both clearer syntax
for humans, and easier code generation for rule processing tools.
We're recommending that everyone use this version for their
development work. It's highly compatible with Jess 7.0, passes all
the Jess 7.0 regression tests, and fixes some significant bugs from
that earlier release.
From the change log:
Keyed storage bsaved/bloaded (thanks Henrique Lopes
Cardoso.) Don't obfuscate ClassResearcher.Property in
trial version (thanks Wolfgang Laun). DEFMODULE
events. Dot notation in Java patterns. Fix bug in
redefining templates which extend other templates. Fix
logical bug (thanks Aaron Novstrup). Fix agenda bug
(thanks Brian Rogosky.) Fix and/not bug (thanks Florian
Fischer and Bob Kirby). Fold "test" CEs into preceding
pattern. Translate many 'eq', 'neq' funcalls into
direct
matches.
As usual, questions and comments can go to the list or to me at the
address below.
---------------------------------------------------------
Ernest Friedman-Hill
Informatics & Decision Sciences Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
PO Box 969, MS 9012 [EMAIL PROTECTED]
Livermore, CA 94550 http://www.jessrules.com
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