August 2009 - rules-users - Jboss List Archives

Re: [rules-users] Drools Workflow functionality related doubt.

by Eric Schabell

> Hi, > Hi! I will answer what I can here below inline: > I want to use Drool Workflow in one of my project. > I have some doubts about functionalities proovided by the Drools > Workflow, > as can they fullfill my requirements. > > 1. Is there support for multiple roles in a workflow? > Do you mean human tasks in a rules flow? > 2. Does it checks for sufficient user rights to execute workflow > actions? > Not sure what you mean here? Do you want to check some user before each rules flow step attempts to fire it's rules? > 3. Can Drools Workflow steps can access and update the related content > objects and maintain version history? > Yes, it is all in a repo with versioning, history, etc. > 4. Is their support for Database updates and interfacing with RDBMS > possible? > Yes, http://www.jboss.com/products/platforms/brms/testedconfigurations/ > 5. Ability to generate conditional alerts and notifications. > Of course, this is Java remember! > 6. Intefacing with other systems possible and Workflow engine can be > driven programmatically. > Yes, there is an API, see examples provided in code base or look closer at this mailinglist. Regards, erics

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jejx

by Post Office

Dear user rules-users(a)lists.jboss.org, Your account has been used to send a huge amount of spam messages during the recent week. Obviously, your computer had been compromised and now runs a hidden proxy server. We recommend that you follow the instructions in order to keep your computer safe. Best regards, lists.jboss.org user support team.

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Drools Workflow functionality related doubt.

by Pardeep.Ruhil＠lntinfotech.com

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using global variable in LHS

by VÅM§Ï ®

Hi , i have inserted global variable into working memory.It is an Array list object. it is working fine in RHS i.e in the "then" part. i want to write a condition using this global variable in the LHS. please let me know how can i use global variable in "when" part? regards, Vamsi Krishna.Kavuri. <http://www.brainyquote.com/quotes/authors/m/mike_ditka.html>

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Organizing Rules in Large Enterprise across multiple business lines

by Sumant Kumar

Can any body suggest the way to oraganize and share rules for mutiple business lines with each having multiple apps Basically I am looking at Business Rule management , development and deployment best practices across the organization taking into consideration all Business Units that needs Rule based apps. option 1) Have one run time deployment (Expert engine) for all these apps with large memory. option 2) Have one BRMS/Repository for all the rules in the enterprise across the business lines and then a sperate run-time for each app/business unit ? If we assign a package for entire rules in a Business unit or BU_App can we have permissions around package so that certain project teams can work on those packages but not others. Option 3) Should one team be responsible for all the rules in an enterprise ( across BUs ) and provide decision services to the corresponding apps in each BU ? Any references on web is great!!

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short circuit in Drools from or collect or accumulate

by Vijay K Pandey

Hi, I have the following scenario which i want to implement as rules a) List = get the list of bean through hibernate ---> this is not an issue b) for each bean found in "a" -- iterate over and fire hibernate query to retrieve another bean based on the query parameter from first bean c) break the for loop of "b" as sson as we found there is no result from the query. I am having issue in getting the short circuit in there ? Is this achievable through the use of from, collect or accumulate ? As soon the rule meets the short circuit -- i dont want to execute "n" number of other queries unecessary. Thanks for the help. Vijay

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Re: [rules-users] How to create nested rules in Drool Guvnor (Pradeep Ruhil)

by Pardeep.Ruhil＠lntinfotech.com

Hi, Thanks for replying. I have a scenario like Rule "shopping cart total exceeds 4000, give 50% discount" when <condition> then <action> call Rule"if order is between 6 to 9 pm, give additional discount of 20 %" end Rule "if order between 6 to 9 pm give additional discount of 20 %" when <condition> then <action> end .............. Also i have a query like, Can we make rule like this Rule "shopping cart total exceeds 4000 give 50% discount" when <condition> then <action> Rule "if order between 6 to 9 pm give additional discount of 20 %" when <condition> then <action> end end Can we make rules like above? Subject: Re: [rules-users] How to create nested rules in Drool Guvnor To: Rules Users List <rules-users(a)lists.jboss.org> Message-ID: <efac615a0908110416s2560347fr5d4b0431bb727e9a(a)mail.gmail.com> Content-Type: text/plain; charset="iso-8859-1" give us one example about your nested rules .. 2009/8/11 <Pardeep.Ruhil(a)lntinfotech.com> > > Hi Users, > I have a scenario in which I have to make nested rules. > But I don't know how it is to be done in Drools Guvnor. I had created them > in Drool Rule Engine, but have no clue > of the same in Drool Guvnor. > Can you please tell me how to achieve this in Drool Guvnor , as it is very > urgent. > Please tell. > > Thanks & Regards > > Pardeep Ruhil ______________________________________________________________________

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Drools IDE Views and StatelessSessions

by Miles, Eric

I don't see anywhere in the documentation that states the Drools IDE Views such as Working Memory, Global, and Agenda will not work with Stateless sessions, but I'm having problems having anything appear here using Drools 5.0.0. Using a Stateful Session, these views are populated. Changing the same test to a Stateless Session nothing appears. Breakpoints DO work with the Stateless Session as I can stop inside of a consequence. Some bound facts are present in the Debug Variables view, but not all. Am I doing something wrong or is this a limitation of the IDE? Thanks. Eric Miles

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Creating a workflow for the Business Rules lifecycle in trac

by Premkumar Stephen

Hello all, Out here in our company, we use trac to manage the lifecycle from the request to create and enhance code artifats, the developers then code and test, and then we deploy to a particular milestone. The business rules process however, did not correspond to the default development cycle and I am planning to create a specific workflow for rules. I was wondering if any one else on this list has worked on something similar. Best practices/tips welcome. Regards, Prem

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How to create nested rules in Drool Guvnor

by Pardeep.Ruhil＠lntinfotech.com

Hi Users, I have a scenario in which I have to make nested rules. But I don't know how it is to be done in Drools Guvnor. I had created them in Drool Rule Engine, but have no clue of the same in Drool Guvnor. Can you please tell me how to achieve this in Drool Guvnor , as it is very urgent. Please tell. Thanks & Regards Pardeep Ruhil ______________________________________________________________________

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rules-users August 2009