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WebSphere BRMS Blog covering the IBM Operational Decision Manager product (formely ILOG JRules) and related industries.
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    Iterating over Input Parameters - Pattern matching against working memory

    Daniel Selman 2700022VQ3 | | Comments (10) | Visits (15128)
    Back to part 1. One of the cons of the "Iterating over Input Parameters - Pattern matching using parameter navigation" approach is that the definitions blocks can become quite lengthy and repetitive if you have many related rules. To overcome this you can "shred" your data and insert it into working memory. You now no longer write your rules against parameters but instead pattern match against working memory. The rules look something like this: ...   [Continue Reading]


    Tags:  business_rules_patterns

    Iterating over Input Parameters - Pattern matching using parameter navigation

    Daniel Selman 2700022VQ3 | | Comments (4) | Visits (12157)
    Back to part 1. In this implementation we use BAL language constructs to directly pattern match against the collection that we can navigate to from the input parameter. The business rule looks something like this: While the generated IRL looks like: package test { rule parameterRule { property ilog.rules.business_name = "parameterRule"; property ilog.rules.package_name = "test"; when { ...   [Continue Reading]


    Tags:  business_rules_patterns

    Keeping it Simple

    Daniel Selman 2700022VQ3 | | Comments (2) | Visits (7246)
    I had an interesting email exchange today with Adam Smolnik (who is working on a client project in Poland). He asked me to comment on the relative merits of the two data intialization patterns below: 1) In an "artificial" technical rule (clear and understandable, but involves creating an artificial rule for repackaging objects from OfferTemplate to Offer): when { IlrContext() from ?context; ot : OfferTemplate(); } then { Offer...   [Continue Reading]


    Tags:  patterns jrules

    Are You Making a Decision or Detecting a Situation?

    Daniel Selman 2700022VQ3 | | Comment (1) | Visits (5256)
    Increasingly I am being asked about the difference between using rules to implement decisions and using rules to detect situations . Sometimes people confuse or conflate the two but I believe the separation is valuable and you should try to preserve it in your architecture if possible. Here are some of the differences. Decisions: Predominantly stateless functions: given an input, they product an output Rules are predominantly used to validate and...   [Continue Reading]

    Rules SDK v8.0.1 Presentation

    Daniel Selman 2700022VQ3 | | Comment (1) | Visits (4628)
    I just finished a presentation of the major features and APIs of the Rules SDK in v8.0.1 of ODM. Enjoy! Rules sdk ww bpm forum march 2013 from Dan Selman

    Presentations Uploaded

    Daniel Selman 2700022VQ3 | | Comment (1) | Visits (5603)
    I've just uploaded some old presentations. Some are interesting from an historical perspective (they show how the product has matured!) and some are still relevant today. Most are from various industry conferences. The presentations are accessible here: http://www.slideshare.net/dselman   Enjoy! Dan Selman

    WebSphere Operational Decision Management 7.5.0.3

    Daniel Selman 2700022VQ3 | | Comment (1) | Visits (6957)
    I am pleased to announce WebSphere Operational Decision Management 7.5.0.3 (distributed) is now available for customers. Main Page: http://www-304.ibm.com/support/docview.wss?uid=swg21566951 Fix Pack Page: http://www-304.ibm.com/support/docview.wss?uid=swg24033658 Limitations Technote: http://www-304.ibm.com/support/docview.wss?uid=swg21614083 InfoCenter: http://pic.dhe.ibm.com/infocenter/dmanager/v7r5/index.jsp

    Tags:  wodm

    Min/max from working memory and using custom collectors

    Daniel Selman 2700022VQ3 | | Comment (1) | Visits (7142)
    In our ongoing series on JRules Patterns, Adam Smolnik suggested covering a pattern used to determine the minimum or maximum value in a class present in working memory. We then extend the pattern to show custom collectors and touch on some inference topics. The domain object is extremely simple: an Order class with a single field, amount: package test; public class Order { double amount; public Order(double amount) { this.amount =...   [Continue Reading]

    Creating an Instance

    Daniel Selman 2700022VQ3 | | Comment (1) | Visits (7045)
    I had a question today from a colleague learning JRules: "How does a rule create an instance of a BOM type?" The short answer is that you don't -- at least not directly. You need to create a factory method on one of your BOM classes using the BOM editor, verbalize the method, and then instantiate the type using B2X scripting. You can then return the type from the BOM method. Either the factory method can be made static or you need to put it on a...   [Continue Reading]


    Tags:  jrules

    Iterating over Input Input Parameters - Ruleflow

    Daniel Selman 2700022VQ3 | | Comment (1) | Visits (15013)
    Back to part 1. I often see programmers implement iteration using a ruleflow and conditional guards. The ruleflow contains a condition node, a guard and a ruleflow task with an initial action. 2 variables are required per loop, one to store the current index in the loop, one to store the current value (AddressType in this case). The initial action for the ruleflow task uses the current index to set the current value. The final action...   [Continue Reading]


    Tags:  business_rules_patterns

    IBM BPM 7.5 and Business Rules

    Daniel Selman 2700022VQ3 | | Comment (1) | Visits (19154)
    Now that Impact is over and IBM BPM 7.5 has been officially announced I can talk a little more about its rules capabilities. If you want a general overview of IBM BPM 7.5 Sandy Kempsley has a nice write up here and you can watch Phil Gilbert here . For the past few months I have been leading a small, but very dedicated, team that has been improving the consumability of core ILOG BRMS components/APIs and supporting the BPM team as they perform...   [Continue Reading]


    Tags:  bpm brms brms news

    WebSphere ILOG JRules 7.1.1.2 Trial released

    duffys 060000RF24 | | Comment (1) | Visits (15172)
    A few weeks back v7.1.1.2 of WebSphere ILOG JRules was released.  This updated  release addresses an issue that prevents the installation of add-ons on top of Rule Studio when installed in a dedicated Eclipse IDE. This fix pack is for licensed users of JRules V7.0.x and V7.1.x. Follow these instructions to install V7.1.1.2.. To download your free 90-day trial, all you need to do is complete the short registration form, select your...   [Continue Reading]


    Tags:  brms business-rules rules-management jrules

    Building Systems of Interaction

    Daniel Selman 2700022VQ3 | | Visits (4908)
    One of the themes from Impact 2013 that excites me the most is IBM's drive towards helping companies, and above all developers, build Systems of Interaction. If you are not familiar with Systems of Interaction I suggest you spend a few minutes watching Jerry Cuomo's keynote from Impact. The Systems of Interaction part starts 4.41 minutes in. Systems of Interaction puts the customer at the center of application design, and...   [Continue Reading]

    Boston Customer Visit

    Daniel Selman 2700022VQ3 | | Visits (4969)
      Last week I visited our lab in Littleton, USA (about an hour West of Boston). I got to meet some colleagues that I will be working with over the next 12 months as well as meeting one of our major financial services customers. The customer is looking for guidance as they add major new capabilities (based on rules) to their customer relationship platform. I hope to work very closely with the customer to ensure that we meet or surpass their...   [Continue Reading]


    Tags:  celtics boston rules

    Redbook on ODM V8.0 performance tuning now available

    Daniel Selman 2700022VQ3 | | Visits (6290)
    Pierre-André Paumelle, Dan McGinnes and David Granshaw have just completed a Redbook covering performance tuning for ODM V8.0. This book offers advice on all aspects of performance, including hardware, architecture, authoring, quality of service, monitoring and tuning. The advice is based upon preferred practices and experience gained from real customer situations. The book is aimed at a wide ODM audience, including IBM employees and customers....   [Continue Reading]


    Tags:  tuning odm performance
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