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Jess in Action: Rule-Based Systems in Java

Jess in Action: Rule-Based Systems in Java

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Contents

Acknowledgments

About this Book

About the Title

About the Cover Illustration

Pt. 1. Introducing rule-based systems

Pt. 2. Jess: A rule-based programming environment

Pt. 3. Creating your first rule-based application: the Tax Forms Advisor

Pt. 4. Writing a diagnostic application: the PC Repair Assistant

Pt. 5. Reasoning about reality: the HVAC Controller

Pt. 6. TekMart.com: rule-based applications for the Web

Pt. 7. Enterprise systems

Appx. A. Jess functions

(- <number> <number>+)

(/ <number> <number>+)

(* <number> <number>+)

(** <number> <number>)

(+ <number> <number>+)

(< <number> <number>+)

(<= <number> <number>+)

(<> <number> <number>+)

(= <number> <number>+)

(> <number> <number>+)

(>= <number> <number>+)

(agenda [<module name>])

(and <expression>+)

(apply <expression>+)

(assert <fact>+)

(assert-string <string>)

(bag <command> <expression>+)

(batch <filename>)

(bind <variable> <expression>)

(bit-and <integer>+)

(bit-not <integer>)

(bit-or <integer>+)

(bload <filename>)

(bsave <filename>)

(build <string>)

(call (<external-address> | <lexeme>) <lexeme> <expression>+)

(call-on-engine <external-address> <jess-code>)

(clear-focus-stack)

(clear-storage)

(close [<lexeme>+])

(complement$ <list> <list>)

(count-query-results <lexeme> <expression>+)

(create$ <expression>*)

(defadvice (before | after) (<lexeme> | <list> ) <expression>+)

(defclass <lexeme> <lexeme> [extends <lexeme>])

(definstance <lexeme> <object> [static | dynamic] )

(delete$ <list> <integer> <integer>)

(div <number> <number>+)

(do-backward-chaining <lexeme>)

(duplicate <fact-id> (<symbol> <expression>)+)

(eq <expression> <expression>+)

(eq* <expression> <expression>+)

(eval <string>)

(evenp <number>)

(explode$ <string>)

(external-addressp <expression>)

(fact-id <integer>)

(facts [symbol | *])

(fact-slot-value <fact-id> <symbol>)

(fetch <lexeme>)

(first$ <list>)

(float <number>)

(floatp <expression>)

(focus <symbol>+)

(foreach <variable> <list> <expression>*)

(format <symbol> <string> <expression>*)

(get <object> <symbol>)

(get-current-module)

(get-focus-stack)

(get-member (<object> | <lexeme>) <symbol>)

(get-multithreaded-io)

(get-reset-globals)

(get-salience-evaluation)

(if <boolean> then <expression>+ [else <expression>+])

(implode$ <list>)

(import <lexeme>)

(insert$ <list> <integer> <expression>+)

(instanceof <object> <lexeme>)

(integer <number>)

(integerp <expression>)

(intersection$ <list> <list>)

(jess-version-number)

(jess-version-string)

(length$ <list>)

(lexemep <expression>)

(list-deftemplates [* | module-name])

(list-focus-stack)

(list-function$)

(load-facts <lexeme>)

(load-function <lexeme>)

(load-package <lexeme>)

(log10 <number>)

(long <expression>)

(longp <expression>)

(lowcase <lexeme>)

(matches <lexeme>)

(max <number>+)

(member$ <expression> <list>)

(min <number>+)

(mod <number> <number>)

(modify <fact-id> (<lexeme> <expression>)+)

(listp <expression>)

(neq <expression> <expression>+)

(new <lexeme> <expression>*)

(not <expression>)

(nth$ <integer> <list>)

(numberp <expression>)

(oddp <integer>)

(open <lexeme> <lexeme> [r | w | a])

(or <expression>+)

(ppdeffacts <lexeme>)

(ppdeffunction <lexeme>)

(ppdefglobal <symbol>)

(ppdefquery <symbol>)

(ppdefrule <symbol>)

(ppdeftemplate <symbol>)

(printout <lexeme> <expression>+)

(progn <expression>+)

(read [<lemexe>])

(readline [<lexeme>])

(replace$ <list> <integer> <integer> <list>+)

(retract <fact-id>+)

(retract-string <string>)

(return [<expression>])

(round <number>)

(rules [<lexeme> | *])

(run [<integer>])

(run-query <lexeme> <expression>+)

(run-until-halt)

(save-facts <filename> [<lexeme>])

(set <object> <lexeme> <expression>)

(set-current-module <lexeme>)

(set-factory <object>)

(setgen <number>)

(set-member (<object> | <lexeme>) <lexeme> <expression>)

(set-multithreaded-io (TRUE | FALSE))

(set-node-index-hash <integer>)

(set-reset-globals (TRUE | FALSE | nil))

(set-salience-evaluation (when-defined | when-activated | every-cycle))

(set-strategy (depth | breadth | <lexeme>))

(show-deffacts)

(show-deftemplates)

(show-jess-listeners)

(socket <lexeme> <integer> <lexeme>)

(sqrt <number>)

(store <lexeme> <expression>)

(str-cat <expression>*)

(str-compare <lexeme> <lexeme>)

(str-index <lexeme> <lexeme>)

(stringp <expression>)

(str-length <lexeme>)

(subseq$ <list> <integer> <integer>)

(subsetp <list> <list>)

(sub-string <integer> <integer> <string>)

(symbolp <expression>)

(sym-cat <expression>+)

(system <lexeme>+ [&])

(throw <object>)

(try <expression>* [catch <expression>*] [finally <expression>*])

(undefadvice (<lexeme> | ALL | <list>))

(undefinstance (<object> | * ))

(undefrule <lexeme>)

(union$ [<list>]+)

(unwatch [all | rules | compilations | activations | facts | focus])

(upcase <lexeme>)

(watch [all | rules | compilations | activations | facts | focus])

(while <boolean> [do] <expression>*)

Appx. B. Abridged Java API for Jess

Appx. C. An automated testing framework

URL

Help

(list-focus-stack)

Displays the module focus stack, one module per line; the top of the stack (the focus module) is displayed first.

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