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Announcing Jess 7.0b5

 
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Folks,

I'm happy to announce that the newest release of Jess, the Rule Engine for
the Java Platform, is available for immediate download at

http://www.javarules.com/download.shtml

Jess 7.0b5 is (probably) the penultimate release before Jess 7.0. As
such, this release is all about enhancements and fixes rather than new
features. The list of "smoothed edges" is impressive -- see below. The
most significant changes are increased robustness in the debugger, and
the restoration of the Jess 6 semantics for "modify" with multiple
slots.

From the change log:

Don't "wrap" external JessExceptions in another
JessException. Fix a logical/slot-specific interaction
(thanks Shan Ming Woo). QueryResult gives better error
messages for undefined variable parameters or for
calling getXXX() before next(). Pretty-print
zero-length multislot patterns correctly (thanks
Jonathan Sewall). (map) handles multi-argument
functions (thanks Yuri Gribov.) (watch) accepts
multiple arguments. Bug in handling multiple
multifields in slot-specific templates fixed (thanks
Howard Greenblatt). QueryResult has full
Javadoc. Added "ppdefrule *". Static imports handle
overloaded methods. Fixed incremental reset for
accumulate (thanks Roger Studner). Defadvice for
nested function calls (thanks Ivan Op de Beeck.)
undeffacts function added. JessDE parses functions for
rule salience values (Gribov). XMLPrinter handles "or"
conditional element properly. Reparsing bug with
"accumulate" in the JessDE fixed (thanks Jason
Morris.) "modify" now once again modifies multiple
slots simultaneously. "max" and "min" return their
arguments using their original data types. Debugger
now correctly steps though router I/O statements.



As usual, comments and questions are welcome at jess-users@sandia.gov
or directly to me at ejfried@sandia.gov.
[ January 05, 2006: Message edited by: Ernest Friedman-Hill ]
 
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