Hi Folks,
Well, finally, I'm confident enough of the internal stability of Jess
5 to call this release beta 1. No real new features this time, but a
number of fixes and improvements. Here's the change log:
jess.Console works again (thanks Lakshmi Vempati). Compiles with
buggy JDK 1.1.x compiler. bload/bsave preserves listeners (i.e.,
deffacts work). Did away with Successor class (simplified Rete
network, reduced memory usage.) Fixed bug where redefined rules
with shared nodes wouldn't reset. Specialized Value subclasses
now explicitly override numericValue(). Yet another pesky "not"
bug (thanks Vadim Zaliva.) All facts/definstances inherit,
ultimately, from "__fact". In Rete network, callNodeRight() takes
Fact, not token; right memories store Facts, too (fewer
allocations, less memory!) Return-value constraint was
erroneously requiring bound variable; thanks Dave Kirby. Miroslav
Madecki reported a "ghost fact" bug; fixing it improved Jess's
"manners" benchmark performace by another 25% (!) "system"
returns a Process object (thanks Alan Moore). (open) uses a
10-character buffer - large file I/O speedup (thanks Norman
Gyhra).
Of course, you can get Jess 5.0b1 at the usual place:
http://herzberg.ca.sandia.gov/jess/ .
There are only a few things left to do before Jess 5 is "final." These
include further documentation improvements, integrating Bob Orchard's
"FuzzyJess" modification, and squaring away the public APIs for
construct creation. It'd be nice to have a final release by December.
---------------------------------------------------------
Ernest Friedman-Hill
Distributed Systems Research Phone: (925) 294-2154
Sandia National Labs FAX: (925) 294-2234
Org. 8920, MS 9012 [EMAIL PROTECTED]
PO Box 969 http://herzberg.ca.sandia.gov
Livermore, CA 94550
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