If you always have it as the first condition in your rule then Drools will only create a single node in the tree to do the match and the cost would be negligible.
Thomas > -----Original Message----- > From: rules-users-boun...@lists.jboss.org [mailto:rules-users- > boun...@lists.jboss.org] On Behalf Of Zhao Yi > Sent: 22 November 2011 14:25 > To: rules-users@lists.jboss.org > Subject: Re: [rules-users] How to define static constant variable > > The more fact I insert, the more performance cost, If I have more than 100 > rules, when I call insert, drools will check each rule condition to get all > matched rules. This will be really time cost. > > -- > View this message in context: http://drools.46999.n3.nabble.com/How-to- > define-static-constant-variable-tp3527416p3527834.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > 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 postmas...@nds.com 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 rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
