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Questions tagged [business-rules]

A business rule is a statement that describes a business policy or procedure. Business logic describes the sequence of operations that is associated with data in a database to carry out the rule.

A business rules engine works by separating execution code for business rules from the rest of the business process management system. This allows the end user to change business rules without having to ask a programmer for help. When a change is made, the engine will evaluate the change's effect on other rules in the system and flag the user if there is a conflict. Business Rules Model

497 questions
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Drools Collection Iteration

what's Wrong with this rule. rule "Organization Employee Rule" when $company: CompanyFact( $emp: /employeeList{organizationName== "XYZ"}) then System.out.println("Employee in organization" +$emp); end I am getting this…
Chandresh Mishra
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How to handle NULL or NOT NULL in DROOLS

I have created a rule rule "NullCheck_Rule1" salience 1 dialect "mvel" date-effective "16-Nov-2017 00:00" no-loop when $cdr : JSONObject( $cdr.optString("name") == null) then $cdr.put("Action_1" ,"SEND MAIL");end and for not null rule…
Jayanth S N
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How can i match on multiple objects of the same kind in Drools 5?

Given a collection of BMSContract objects in memory of two or more, I need to match specific patterns using the BMSContract.status field. My rule should resolve to Success if in such collection exactly ONE and ONLY ONE BMSContract has a status of…
JamesD
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Drools bean validation using constraints from data base

I have a requirement to write the drools program to validate a bean properties based on the constraints stored in data base. For example: class Product { private String description; private String partNumber; private int price; …
Ramesha.C
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Extract Bom Vocabulary IBM ODM in rule designer

Hi all i am new to IBM ODM Rule designer i need to export all the vocabulary tab to be exported to a document is there smart to do it instead of copying manually. Please find the attachment of screenshot highlighted with red color.
Kiran
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DROOLS: It's easy to make conditions based on >, < or =, but how can we make condition for human readable rules?

I have started exploring DROOLS execution engine, so I have not much idea about DROOLS. I have found it very easy while creating a rule for following business rule: "Event is large event if number of audience is greater than 1000" Drools rule will…
Namrata Choudhary
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Rule Builder - freehand SQL user entry

I have some users who have a need to create some fairly complex rules with data from a SQL database. It's not enough to just have logical operators like most rule builders, because there's some aggregation/shaping required and the rules might change…
L. A. Mills
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Can a custom class be used in the Conditions of a rule / policies?

I am getting started with Biztalk 2010 for the first time. I looked at this article (http://www.codeproject.com/KB/biztalk/BRE.aspx) for making a custom action to fire against a condition, but it seems that properties are being used in actions, not…
GurdeepS
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Business Rules Engine - Discrete Choice Modeling

Greetings, I am currently in search of a framework that could be used in the development of a system that will find the best option based on a series of responses provided by a user, in a closed survey format. Our company offers several service…
user555074
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Customized rules and can be changing very often -every week

Our application has many business rules and it can be changing very often , even the parameters and prioritizationapplied on the rules can change very often consider -every week . SHould i use drools workbench or customized UI
Angel
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Business Rule Validator engine in SSIS package

Has anyone worked on a Business Rule Validator engine which validates business rules for an SSIS package, such that business rules are maintained outside the package? At the moment we create a Derived Column task and evaluate all business rules in…
ajeesh k
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Rules Engine Real Time Execution

I am using PHP and MySQL to run a backend server. Currently I have a "Action" table that contains certain criteria and what action should be taken, the properties are following: Conditions (contains complex criteria, e.g. [Item.Qty] > 100000 AND…
user2936719
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how to write ( A after max time B ) in CEP( Fusion ) Drools

What is the best way to write a condition in drools CEP to infer ( A after max time B ) Example : a : new A(); b : new B( this after [1m] ) The above example is not my need. I need this : a : new A(); b : new B( this after a , b.timestamp -…
Fabio_M
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Is there any real use case of using of Complex Event Processing (esp. Drools)?

I want to find some problem (use case) in the sphere of Complex Event Processing to solve it and implement the solution on Drools. I will be glad to read any advice. It is needed for my graduate work. Thank you!
Bulat Usmanov
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How do you install Bluemix Business Rules Designer on MacOS?

Installing Bluemix Business Rules Designer on MacOS fails. The older Eclipse 4.2.2 that is required by Rule Designer does not run on MacOS Sierra 10.12. And Business Rule Designer will not install in Eclipse Neon. What steps do I need to take to…
DThompson55
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