Re: [rules-users] Using Enums in when clause

In gameWinner == PARTICIPANTS.HOME.getId(), the second operand isn't an enum, it's a method call on an enum object. Hence, it must be written as a "Return Value Restriction" (cf. Expert doc on a Rule's LHS), thus ..., gameWinner == ( PARTICIPANTS.HOME.getId() ), ... -W 2009/8/6 Zevenbergen, A

Re: [rules-users] multi-threaded deadlock?

Greg, thanks for the tip.  I wasn't aware of jconsole.  I grew up on 'C' and am still finding my way around java and its tools. I recreated the situation and both jconsole and netbeans (running under its debugger) report "No deadlock detected".  Yet here I am with three threads in the middle o

Re: [rules-users] multi-threaded deadlock?

Did you do deadlock detection in a tool like jconsole? --- On Thu, 8/6/09, Charles Binford wrote: > From: Charles Binford > Subject: [rules-users] multi-threaded deadlock? > To: "Rules Users List" > Date: Thursday, August 6, 2009, 4:08 PM > All, > > Drools 4.0.7. > > I have a single ruleba

[rules-users] multi-threaded deadlock?

All, Drools 4.0.7. I have a single rulebase and three threads running stateless sessions (each thread has it's own session). All appears to work fine until I try to dynamically update the packages in the rulebase. That scenario intermittently hangs on an apparent deadlock. The documentation s

Re: [rules-users] Type declaration in DSL

You just need to create a mapping like.. There is a product type = productType : ProductType() There is a customer = customer : Party() and you can write the LHS of the rule like when >not PricingResult() There is a product type There is a customer Matt

[rules-users] advice on fact loading through database using globals

Hi all, I am about to start a new project here using Drools and in order to better understand it I am reading the developer's guide book written by Michal Bali. During my readings, one thing caught my attention, on page 26 of the book the author mentions: "Use the global variable in a rule cond

[rules-users] Using Enums in when clause

Hi, This is my where clause: when resultInfo : TennisResultInfo(endGame == true , setNumber == 5,gameWinner == PARTICIPANTS.HOME.getId() , gameLoseScore == 0) then the rule falls over on PARTICIPANTS.HOME.getId() PARTICIPANTS.HOME.getId() is an enum and returns an integer

[rules-users] How to create new permission in Drools Guvnor

Hi, I am using Drools Guvnor. I want to know how we can create new permission that we assign to a user. Presently we have admin, Analyst, Analyst.readonly, Package.admin, Package.developer, Package.readonly. Also if i am giving package.readonly permission to User, he is able to modify the rules