October 2007 - rules-users - Jboss List Archives

by Mark Proctor

Abhi, Please read this blog entry, and take note that you violate 1, 2 and 4 http://blog.athico.com/2007/10/how-to-have-your-emails-ignored.html Mark 4cont8(a)gmail.com wrote: > Dear Mark, > Hi, > > In Forum you have suggested about AST. Can you please provide me some details documentation regarding it? I want to execute rules directly from Binary file. This means that I don’t want to write any .drl or any other file Simply I want write rules into Binaryformat in some file and execute it directly from that Binaryformat file. Can it be possible ? > > If yes please provide me some details regarding it and tell me how I can proceed. It is very urgent for me. If possible please provide me some sample program so that I can initiate. > > Looking forward for you help. > > > > Regards, > Abhi.. > >

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Just Java 2007 Slides (in Portuguese)

by Edson Tirelli

For those of you that speaks Portuguese, here are the slides I used in yesterday's presentation at Just Java 2007 Conference in Brazil. http://blog.athico.com/2007/10/just-java-2007-slides.html []s Edson -- Edson Tirelli Software Engineer - JBoss Rules Core Developer Office: +55 11 3529-6000 Mobile: +55 11 9287-5646 JBoss, a division of Red Hat @ www.jboss.com

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RE: How to set the static variable

by Sikkandar Nawabjan

Hi, I want to create and set the static flag(its not part of my object) in working memory and want to use it across all my drls/dsls. How to do that. Basha ________________________________ From: rules-users-bounces(a)lists.jboss.org on behalf of rules-users-request(a)lists.jboss.org Sent: Thu 10/4/2007 6:46 PM To: rules-users(a)lists.jboss.org Subject: rules-users Digest, Vol 11, Issue 31 Send rules-users mailing list submissions to rules-users(a)lists.jboss.org To subscribe or unsubscribe via the World Wide Web, visit https://lists.jboss.org/mailman/listinfo/rules-users or, via email, send a message with subject or body 'help' to rules-users-request(a)lists.jboss.org You can reach the person managing the list at rules-users-owner(a)lists.jboss.org When replying, please edit your Subject line so it is more specific than "Re: Contents of rules-users digest..." Today's Topics: 1. RE: RE: RE: Regarding Package .Pkg (Drool_Beginner) 2. RE: RE: RE: RE: Regarding Package .Pkg (Anstis, Michael (M.)) 3. Fucntion call in rule (prateek.katiyar(a)wipro.com) ---------------------------------------------------------------------- Message: 1 Date: Thu, 4 Oct 2007 05:30:16 -0700 (PDT) From: Drool_Beginner <4cont8(a)gmail.com> Subject: [rules-users] RE: RE: RE: Regarding Package .Pkg To: rules-users(a)lists.jboss.org Message-ID: <13038788.post(a)talk.nabble.com> Content-Type: text/plain; charset=us-ascii Hi Michael, Can you please provide some code sample for building rule with API. Regrads, Abhi... Anstis, Michael (M.) wrote: > > I recall reading other users building rules with the API. > > But it is not something I have any experience of. > > Sorry. > > -----Original Message----- > From: rules-users-bounces(a)lists.jboss.org > [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Drool_Beginner > Sent: 03 October 2007 11:25 > To: rules-users(a)lists.jboss.org > Subject: [rules-users] RE: RE: Regarding Package .Pkg > > > Yes, instead I don't want to write any DRL file..... I want to create Rule > directliy in PackageBuilder object , instantiate it and run the rule > through it. > If it is not possible then I want to create drl file once and later on I > have to modify PackageBuilder from my Java code or program code. > is there any information regarding it is available. > Thanks & with Regards > Abhi.. > > > Anstis, Michael (M.) wrote: >> >> Do you mean, once you've loaded a DRL file into a Package object you want >> to >> modify rule definitions? >> >> -----Original Message----- >> From: rules-users-bounces(a)lists.jboss.org >> [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Drool_Beginner >> Sent: 03 October 2007 09:58 >> To: rules-users(a)lists.jboss.org >> Subject: [rules-users] RE: Regarding Package .Pkg >> >> >> Thanks Anstis, >> for your clarification. Is there a way that I can directly manipulate >> directly this "PackageBuilder" from my JAVA code . Instead of updating >> drl >> file. >> Thanks & Regards, >> Abhi.. >> >> Anstis, Michael (M.) wrote: >>> >>> I think you might misunderstand. >>> >>> A DRL file contains text defining rules. Each DRL file is assigned a >>> package >>> name (much like Java). >>> >>> The DRL file is loaded, parsed (PackageBuilder) and converted into a >>> Package >>> instance. Packages are added to RuleBases from which WorkingMemory can >>> be >>> obtained for rule execution. >>> >>> There is no "pkg" file - the Java Package can be converted into a stream >>> using Java's ObjectOutputStream. >>> >>> Have a look at "1.6. The Drools Rule Engine - 1.6.1. Overview" in the >>> excellent documentation. >>> >>> >>> _____ >>> >>> From: rules-users-bounces(a)lists.jboss.org >>> [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Drool_Beginner >>> Sent: 03 October 2007 08:53 >>> To: rules-users(a)lists.jboss.org >>> Subject: [rules-users] Regarding Package .Pkg >>> >>> >>> Dear All, Where I can get more information about .pkg, Since I have got >>> information that .drl file get converted in to pkg(Package), which is >>> writing .drl information into Stream. Please send me some information as >>> our >>> requirement is some what to take benifit from .pkg. Thanks in Advance >>> Regards, Abhishek >>> >>> _____ >>> >>> View this message in context: Regarding >>> <http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13014401> >>> Package .Pkg >>> Sent from the drools - user mailing >>> <http://www.nabble.com/drools---user-f11823.html> list archive at >>> Nabble.com. >>> >>> >>> >>> >>> _______________________________________________ >>> rules-users mailing list >>> rules-users(a)lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/rules-users >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13015081 >> Sent from the drools - user mailing list archive at Nabble.com. >> >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> > > -- > View this message in context: > http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13015841 > Sent from the drools - user mailing list archive at Nabble.com. > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > -- View this message in context: http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13038788 Sent from the drools - user mailing list archive at Nabble.com. ------------------------------ Message: 2 Date: Thu, 4 Oct 2007 13:51:05 +0100 From: "Anstis, Michael \(M.\)" <manstis1(a)ford.com> Subject: RE: [rules-users] RE: RE: RE: Regarding Package .Pkg To: "Rules Users List" <rules-users(a)lists.jboss.org> Message-ID: <6CE83AFC8500B641AE00AC1674A3B4AC037EF825(a)eu1wam08.warley.ford.com> Content-Type: text/plain; charset="us-ascii" "...it is not something I have any experience of." Sorry, perhaps somebody else can aid. -----Original Message----- From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Drool_Beginner Sent: 04 October 2007 13:30 To: rules-users(a)lists.jboss.org Subject: [rules-users] RE: RE: RE: Regarding Package .Pkg Hi Michael, Can you please provide some code sample for building rule with API. Regrads, Abhi... Anstis, Michael (M.) wrote: > > I recall reading other users building rules with the API. > > But it is not something I have any experience of. > > Sorry. > > -----Original Message----- > From: rules-users-bounces(a)lists.jboss.org > [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Drool_Beginner > Sent: 03 October 2007 11:25 > To: rules-users(a)lists.jboss.org > Subject: [rules-users] RE: RE: Regarding Package .Pkg > > > Yes, instead I don't want to write any DRL file..... I want to create Rule > directliy in PackageBuilder object , instantiate it and run the rule > through it. > If it is not possible then I want to create drl file once and later on I > have to modify PackageBuilder from my Java code or program code. > is there any information regarding it is available. > Thanks & with Regards > Abhi.. > > > Anstis, Michael (M.) wrote: >> >> Do you mean, once you've loaded a DRL file into a Package object you want >> to >> modify rule definitions? >> >> -----Original Message----- >> From: rules-users-bounces(a)lists.jboss.org >> [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Drool_Beginner >> Sent: 03 October 2007 09:58 >> To: rules-users(a)lists.jboss.org >> Subject: [rules-users] RE: Regarding Package .Pkg >> >> >> Thanks Anstis, >> for your clarification. Is there a way that I can directly manipulate >> directly this "PackageBuilder" from my JAVA code . Instead of updating >> drl >> file. >> Thanks & Regards, >> Abhi.. >> >> Anstis, Michael (M.) wrote: >>> >>> I think you might misunderstand. >>> >>> A DRL file contains text defining rules. Each DRL file is assigned a >>> package >>> name (much like Java). >>> >>> The DRL file is loaded, parsed (PackageBuilder) and converted into a >>> Package >>> instance. Packages are added to RuleBases from which WorkingMemory can >>> be >>> obtained for rule execution. >>> >>> There is no "pkg" file - the Java Package can be converted into a stream >>> using Java's ObjectOutputStream. >>> >>> Have a look at "1.6. The Drools Rule Engine - 1.6.1. Overview" in the >>> excellent documentation. >>> >>> >>> _____ >>> >>> From: rules-users-bounces(a)lists.jboss.org >>> [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Drool_Beginner >>> Sent: 03 October 2007 08:53 >>> To: rules-users(a)lists.jboss.org >>> Subject: [rules-users] Regarding Package .Pkg >>> >>> >>> Dear All, Where I can get more information about .pkg, Since I have got >>> information that .drl file get converted in to pkg(Package), which is >>> writing .drl information into Stream. Please send me some information as >>> our >>> requirement is some what to take benifit from .pkg. Thanks in Advance >>> Regards, Abhishek >>> >>> _____ >>> >>> View this message in context: Regarding >>> <http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13014401> >>> Package .Pkg >>> Sent from the drools - user mailing >>> <http://www.nabble.com/drools---user-f11823.html> list archive at >>> Nabble.com. >>> >>> >>> >>> >>> _______________________________________________ >>> rules-users mailing list >>> rules-users(a)lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/rules-users >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13015081 >> Sent from the drools - user mailing list archive at Nabble.com. >> >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> >> _______________________________________________ >> rules-users mailing list >> rules-users(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> > > -- > View this message in context: > http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13015841 > Sent from the drools - user mailing list archive at Nabble.com. > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > -- View this message in context: http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13038788 Sent from the drools - user mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users -------------- next part -------------- A non-text attachment was scrubbed... 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Regarding Package .Pkg

by Drool_Beginner

Dear All, Where I can get more information about .pkg, Since I have got information that .drl file get converted in to pkg(Package), which is writing .drl information into Stream. Please send me some information as our requirement is some what to take benifit from .pkg. Thanks in Advance Regards, Abhishek -- View this message in context: http://www.nabble.com/Regarding-Package-.Pkg-tf4560333.html#a13014401 Sent from the drools - user mailing list archive at Nabble.com.

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RE: rules-users Digest, Vol 11, Issue 29

by prateek.katiyar＠wipro.com

The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com

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FW: About Quotes in Xml file

by Anstis, Michael (M.)

Forwarded to user group under condition "#4. Send emails directly to mailing list members, especially the developers" of the forum guidelines. _____ From: prateek.katiyar(a)wipro.com [mailto:prateek.katiyar@wipro.com] Sent: 04 October 2007 07:42 To: Anstis, Michael (M.) Subject: About Quotes in Xml file Hi Thanks for your reply. I have a field "m_rfqId" in one of my JavaBean "RFQBean" and i want to implement a rule on this field as rule "Check_NotNullof_rfqId" agenda-group "Check" when RFQBean((m_rfqId == null)||(m_rfqId == "")) then response.setStatus("For RFQ Bean: The value of m_rfqId is null."); System.out.println(response.getStatus()); end Now when i used XmlDumper for the .xml format of this rule then i got the following syntax: <rule name="Check_NotNullof_rfqId"> <rule-attribute name="agenda-group" value="Check" /> <lhs><pattern object-type="RFQBean" > <or-constraint-connective><field-constraint field-name="m_rfqId"> <literal-restriction evaluator="==" value="null" /> </field-constraint> <field-constraint field-name="m_rfqId"> <literal-restriction evaluator="==" value="" /> </field-constraint> </or-constraint-connective> </pattern> </lhs><rhs> response.setStatus("For RFQ Bean: The value of m_rfqId is null."); System.out.println(response.getStatus()); </rhs> </rule> When i tried with this .xml format then i got the follwing error: org.drools.compiler.DroolsParserException: org.xml.sax.SAXParseException: <literal-restriction> requires an 'value' attribute at org.drools.compiler.PackageBuilder.addPackageFromXml(PackageBuilder.java:177 ) at com.wipro.rfq.report.bean.Validator.readRule(Validator.java:90) at com.wipro.rfq.report.bean.Validator.main(Validator.java:47) Now please tell me that how can i achieve my requirement? Have a great day. With Regards Prateek The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com

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Cannot recreate a rule or package after archiving in the BRMS

by Shahad Ahmed

If you archive a rule or package to delete it in the BRMS then you cannot create a new rule or package with the same name as the archived assets - you get an error saying the rule or package already exists! Is this the expected behaviour, or a bug? I have asked this question before (more than 3 days ago, honest:), but got no reply, so apologies to anyone who has read this question earlier. The workaround I'm using at the moment is to rename a package or rule before archiving it. This seems to allow you to create a new rule/package with the same name as the original rule/package - but it isn't nice or intuitive. Thanks Shahad

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About FactHandle

by prateek.katiyar＠wipro.com

Hi I am using Drools 4.0. As per the Drools 4.0 documentation if we are declaring a object as global then we can not use "insert(java.lang.Object Object)" method on this object. It will be inserted implecetly.Now if we want to update this object in the RHS part of our rule file then we need the "FactHandle" for the object. Now as we know that the return type of "setGlobal(java.lang.String identifier, java.lang.Object value)" method is "void". So please tell me that how can i update this object in my rule file? Thanks. With Regards Prateek Katiyar The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com

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Query about <column></column>attribute

by prateek.katiyar＠wipro.com

Hi I am using Drools 4.0. I want to know that can i use <column></column>attribute in my rule file(.xml format). Actually i have used it in Drools 3.0 but their is no description for it in Drools 4.0 documentation. So please let me know that is it possible or not? If it is possible then please clarify me with a small example. With Regards Prateek The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments. WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email. www.wipro.com

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suggestion for drl grammar: single-element constraints

by Godmar Back

If a fact contains a single field, it would be nice to be able to express a constraint on the value of that field without having to know its name, e.g.: Cheese ("stilton") which would be equivalent to Cheese (type == "stilton") if Cheese contained only one field, and which would be a compile-time error otherwise. A similar convenience syntax is used, for instance, for Java 5 annotations. Instead of having to say @Retention(value = RetentionPolicy.RUNTIME) it can be abbreviated @Retention(RetentionPolicy.RUNTIME) since this annotation only has a single field. - Godmar

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rules-users October 2007