I often need to implement some sort of rule system that is user-editable -- the requirements are generally different enough that the same system isn't directly applicable, so I frequently run into the same problem--how do I design a rule system that is maintainable properly balances expressiveness with ease of use is easily extended (i...
I was reviewing this morning a piece of code written by a beginner, when I found these lines: If ... ElseIf ... ElseIf ... Endif I told him "Please, Do Not Use This". And the other guy sitting aside (more experimented) said: "Oh no DoN't Use This!". I think there are many reasons explaining this reaction: a bad experience when we f...
I would like VBA code for Outlook 2007 to right-click a message in any mail view, choose a rule to add it to, and have the sender email be added to the Message Header contains value for that rule. Only particular rules use Message Header as a criteria, so only those applicable rules should show when I right-click a message. ...
I am looking for a web-based business rules app that I can use with clients. After I get them started, the client would be able to enter new rules. Assume that the client has good Excel skills (as an example of level of tech sophistication) but has little patience for formal languages or programming. Cost: $0-$500 The resulting model...
Can we somehow extend the RuleSetDialog class and host in our windows application? ...
Is there any good sample code or tutorial which explains how to use IRuleExpression in a custom rule editor ( windows workflow Rules Editor ) ? ...
I personally don't use FxCop yet. We want to work out the unit testing first before going with code analysis. However, which rules would you permanantly deactivate? Which rules would you deactivate temporarily and in which situation? ...
Hey all, Recently I heard that there are 9 rules for OOP(Java). I know only four as Abstraction, Polymorphism, Inheritance and Encapsulation. Are there any more rules for OOP? ...
I have a data structure that represents C# code like this: class Namespace: string Name; List<Class> Classes; class Class: string Name; List<Property> Properties; List<Method> Methods; List<Method> Constructors; List<Field> Fields; List<Class> InnerClasses; Class Parent; List<Interface> Implement...
I am looking for a Java Rules / Workflow engine. Something similar to Microsoft Workflow Engine. Can someone recommend a product? ...
I'm writing a log collection / analysis application in Python and I need to write a "rules engine" to match and act on log messages. It needs to feature: Regular expression matching for the message itself Arithmetic comparisons for message severity/priority Boolean operators I envision An example rule would probably be something lik...
I'm just looking for some inspiration. Especially in the area of performance and security, naming conventions are important but not as 'cool' ;) Even if your rule was only applicable to your domain/project but demonstrates how powerful a rule can be, please let me know. I work with C#, but I'm interested in rules for any language. ...
I have two workflow foundation (.NET 3.5 SP 1) application which compiles fine. It has two declarative rule conditions in it. Both are very simple, examples: - !this.Shutdown - this.Runtime == null The project builds correctly without error or warning, however when I run the application it fails with the exception: error 1342: Activity ...
I have been working on a list for a while that helps me share the why of programming approach and thought as much as how to do something. For this, I wanted to build a list of things that are: best practice, best thought, best approach... that help a programmers ability to analyze, think, approach, solve and implement in the most e...
In my project I need to create a business object validation layer that will take my object and run it against a set of rules and return either pass or fail and it's list of failure reasons. I know there are quite a few options out there for accomplishing this. From Microsoft: Enterprise Library Validation Application Block Windows Wor...
Should a business rule violation throw an exception? ...
What technology would you recommend to create a DSL for a Business Rules and Validation Application Block for .NET? And why? The architecture of the framework is established and proof-tested by a production. I just want to create a .NET processor to transform human-readable rules to a compiled Rule implementations. The options that I'...
I am in the midst of trying to nail down requirements from a client for a pricing engine in a retail environment. We have defined the pricing engine as operating on a set of pricing rules that establishes new price points for purchased items based on existing items already in the shopping cart. A simple price rule might be GET A SHIRT 4...
The following HTML form successfully utilizes jQuery's form validation, displaying "This field is required" to the right of the form field if left blank, and "Please enter at least 2 characters" if fewer than 2 characters were entered. However, instead of the validation metadata being specified using the class and minlength attributes o...
Hi I have setup Access Rules on my local server and they work fine. However when I deploy them on to my staging server the rules are not in effect. Where are the rules stored? Both my local and staging server point to the same DB server. Thank you for any insight. I set the Access Rules in the ASP.Net Web Application Administration ...