Thanks Wolfgang. Good spot there. The data types were not matching . Fixed now. One of them was double and other was Double. Regards, Akash From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Wolfgang Laun Sent: Tuesday, January 18, 2011 1:57 PM To: Rules Users List Subject: Re: [rules-users] Greater than or less than in eval Space after "$"? Error message? Types of Employee.age, Event.ageLimit? It would be preferable to to use when Employee ($name : name, $age : age) Event ($eventName : eventName, ageLimit > $age) then -W 2011/1/18 Mohod, Akash <Akash.Mohod@morganstanley.com<mailto:Akash.Mohod@morganstanley.com>> Hi, I am trying to write the following rule using Drools 5.1 but having issues. when Employee ($name : name, $ age : age) Event ($eventName : eventName , $ageLimit : ageLimit) eval($age < $ ageLimit) then System.out.println (" Can participate in the event "); end The rule fails to compile. Regards, Akash ________________________________ NOTICE: Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. If you have received this communication in error, please destroy all electronic and paper copies and notify the sender immediately. Mistransmission is not intended to waive confidentiality or privilege. Morgan Stanley reserves the right, to the extent permitted under applicable law, to monitor electronic communications. This message is subject to terms available at the following link: http://www.morganstanley.com/disclaimers. If you cannot access these links, please notify us by reply message and we will send the contents to you. By messaging with Morgan Stanley you consent to the foregoing. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org<mailto:rules-users@lists.jboss.org> https://lists.jboss.org/mailman/listinfo/rules-users -------------------------------------------------------------------------- NOTICE: Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. If you have received this communication in error, please destroy all electronic and paper copies and notify the sender immediately. Mistransmission is not intended to waive confidentiality or privilege. Morgan Stanley reserves the right, to the extent permitted under applicable law, to monitor electronic communications. This message is subject to terms available at the following link: http://www.morganstanley.com/disclaimers. If you cannot access these links, please notify us by reply message and we will send the contents to you. By messaging with Morgan Stanley you consent to the foregoing.

Just saw this mail . My case was a slightly different. The Double there is one that we use in Mvel as in when we do something like $age : Double () from accumulate ( ) I was using this to compare with double in java . Hope this is clear. Regards, Akash From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Wolfgang Laun Sent: Tuesday, January 18, 2011 4:25 PM To: Rules Users List Subject: Re: [rules-users] Greater than or less than in eval Double as in java.lang.Double? This would be strange, since these types sure are compatible. -W 2011/1/18 Mohod, Akash <Akash.Mohod@morganstanley.com<mailto:Akash.Mohod@morganstanley.com>> Thanks Wolfgang. Good spot there. The data types were not matching . Fixed now. One of them was double and other was Double. Regards, Akash From: rules-users-bounces@lists.jboss.org<mailto:rules-users-bounces@lists.jboss.org> [mailto:rules-users-bounces@lists.jboss.org<mailto:rules-users-bounces@lists.jboss.org>] On Behalf Of Wolfgang Laun Sent: Tuesday, January 18, 2011 1:57 PM To: Rules Users List Subject: Re: [rules-users] Greater than or less than in eval Space after "$"? Error message? Types of Employee.age, Event.ageLimit? It would be preferable to to use when Employee ($name : name, $age : age) Event ($eventName : eventName, ageLimit > $age) then -W 2011/1/18 Mohod, Akash <Akash.Mohod@morganstanley.com<mailto:Akash.Mohod@morganstanley.com>> Hi, I am trying to write the following rule using Drools 5.1 but having issues. when Employee ($name : name, $ age : age) Event ($eventName : eventName , $ageLimit : ageLimit) eval($age < $ ageLimit) then System.out.println (" Can participate in the event "); end The rule fails to compile. Regards, Akash ________________________________ NOTICE: Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. If you have received this communication in error, please destroy all electronic and paper copies and notify the sender immediately. Mistransmission is not intended to waive confidentiality or privilege. Morgan Stanley reserves the right, to the extent permitted under applicable law, to monitor electronic communications. This message is subject to terms available at the following link: http://www.morganstanley.com/disclaimers. If you cannot access these links, please notify us by reply message and we will send the contents to you. By messaging with Morgan Stanley you consent to the foregoing. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org<mailto:rules-users@lists.jboss.org> https://lists.jboss.org/mailman/listinfo/rules-users ________________________________ NOTICE: Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. If you have received this communication in error, please destroy all electronic and paper copies and notify the sender immediately. Mistransmission is not intended to waive confidentiality or privilege. Morgan Stanley reserves the right, to the extent permitted under applicable law, to monitor electronic communications. This message is subject to terms available at the following link: http://www.morganstanley.com/disclaimers. If you cannot access these links, please notify us by reply message and we will send the contents to you. By messaging with Morgan Stanley you consent to the foregoing. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org<mailto:rules-users@lists.jboss.org> https://lists.jboss.org/mailman/listinfo/rules-users -------------------------------------------------------------------------- NOTICE: Morgan Stanley is not acting as a municipal advisor and the opinions or views contained herein are not intended to be, and do not constitute, advice within the meaning of Section 975 of the Dodd-Frank Wall Street Reform and Consumer Protection Act. If you have received this communication in error, please destroy all electronic and paper copies and notify the sender immediately. Mistransmission is not intended to waive confidentiality or privilege. Morgan Stanley reserves the right, to the extent permitted under applicable law, to monitor electronic communications. This message is subject to terms available at the following link: http://www.morganstanley.com/disclaimers. If you cannot access these links, please notify us by reply message and we will send the contents to you. By messaging with Morgan Stanley you consent to the foregoing.