Hi Steven, Would you share your case?
Thanks Benson 2011/4/1 Steven Williams <[email protected]>: > I have actually used this method for the one valid case I have thought of - > unit testing rules. > Steve > > > 2011/4/1 Swindells, Thomas <[email protected]> >> >> Agreed, >> >> But if you really do want to you can setup an agenda filter so that only >> the activation for the rule you care about is fired – but I don’t think >> there are many valid cases where this is needed/desirable/appropriate. >> >> >> >> Thomas >> >> >> >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Michael Anstis >> Sent: 31 March 2011 10:08 >> To: Rules Users List >> Subject: Re: [rules-users] execute particular rules programmatically and >> dynamically >> >> >> >> Why would you want to execute a single rule? >> >> The logic you'd write to determine which rule to fire should itself be >> part of the rules: So, for example, if you want to validate facts of type >> "Smurf" then write a rule that matches on "Smurf". When you insert a "Smurf" >> only the rules that match on this will become candidates for execution when >> you call fireAllRules. Perhaps use of a stateless session would simplify >> things so you need not worry about other facts in WM "polluting" the results >> you expect to see? >> >> More and more questions are posted here asking how to make individual >> rules execute; IMO the solution is to change your thinking about how Rules >> Engines work. >> >> If you give your use-case we might be able to advise a better approach. >> >> With kind regards, >> >> Mike >> >> 2011/3/31 Wolfgang Laun <[email protected]> >> >> >> >> On 31 March 2011 07:58, Benson Fung <[email protected]> wrote: >> >> Hi, >> >> If there are 10 rules in the drools rulebase, and right now I would >> like to execute one of the particular rule. Is there any approach/way >> to execute particular rule programmatically? >> >> No. The right hand side of a rule (code between "then" and "end") is >> executed whenever there is a set of fact objects in Working Memory >> satisfying the condition. If you insert such a set of facts and call >> fireAllRules(), then it will happen. >> >> >> >> I don't think >> agenda-group or activation-group can do that, right? Or is it >> possible to create an agenda programmatically ? >> >> No to both. >> -W >> >> >> Thanks >> _______________________________________________ >> rules-users mailing list >> [email protected] >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> _______________________________________________ >> rules-users mailing list >> [email protected] >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> >> >> ________________________________ >> >> ************************************************************************************** >> This message is confidential and intended only for the addressee. If you >> have received this message in error, please immediately notify the >> [email protected] and delete it from your system as well as any copies. The >> content of e-mails as well as traffic data may be monitored by NDS for >> employment and security purposes. To protect the environment please do not >> print this e-mail unless necessary. >> >> NDS Limited. Registered Office: One London Road, Staines, Middlesex, TW18 >> 4EX, United Kingdom. A company registered in England and Wales. Registered >> no. 3080780. VAT no. GB 603 8808 40-00 >> >> ************************************************************************************** >> >> _______________________________________________ >> rules-users mailing list >> [email protected] >> https://lists.jboss.org/mailman/listinfo/rules-users >> > > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users > > _______________________________________________ rules-users mailing list [email protected] https://lists.jboss.org/mailman/listinfo/rules-users
