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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

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RTS synchronization disables the BOM in ILOG Jrules

I synchronized my rule project with a rule team server in another machine. Then checked out the rule project from another machine from the RTS. I added a new member to the BOM from my second machine. Then synched it to the RTS. Now coming to my…
Tito
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How to pass a collection from a rule to a java method

I have a collection of Type Cars which I need to pass from the ILOG Jrules to my Java evaluation method. My Java evaluation method can accept an Object, so a collection can be accepted. I need to process the collection of cars in my Java XOM and…
Tito
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using static declaring in ilog jrules java xom model

In my java pojo XOM model , I have a static variable say count.I am executing 5 rules and it is increasing the count variable by one. So in the end of the execution I have value as count = 5 . Now if I declare a non static variable count and…
Tito
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Stop duplicate input (scanner & arrays)

I'm fairly new at programming. Currently im working on a uni project to create a basic text game using java. The problem im having is trying to figure out how to implement a business rule that does not allow a user to enter the same name. I have it…
Pearse
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Question: Can you perform contains operations on a global variable of type list in Drools

i was wondering if i can perform a contains operation on the left hand side (LHS) on a drools rule. Something of the sort: global java.util.List myGlobalList; dialect "mvel" rule "checker" when Task() from myGlobalList then …
Alex Vulchev
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Using ANTLR4 to create functions with no argument

I am still new to ANTLR4 and I am trying to achieve the following I have business rules which consist of logical operation (A= 'text' or B < 1) and getDataDB the function getDataDB does not take any argument. the function will retrieve some data…
OceanWavez
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platform agnostic rules or workflow engine

I have a requirement to use the platform agnostic rules engine which needs to run with my java and .net application. In both the windows and linux platform. Do we have any opensource/commercial rules engine. Can someone share some experiences on…
Lokesh Narayan
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How to enforce a business rule across database tables?

I am working on this BANK MANAGEMENT SYSTEM database project (oracle) on sql developer and I have made some progress but I am stuck at this minor problem The problem: I have a table of employee with employee id as primary key and in that table there…
Majid Burki
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Free "Business Rules" tools?

I have been tasked with capturing the Business Rules in an legacy program that my company uses a lot. As I was about to start, I fired up Excel and started typing. It took only a very short time to realize that it would be better if there were a…
Vaccano
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How to apply business rule in DTOs DDD

I need to apply business rules in a DTO, but this DTO has properties of N entities. I wanted to know the correct way to validate this DTO.
Wilson Santos
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Is Ilog Jrules a opensource software?

Is Ilog Jrules a opensource software? If yes, can I please know the installation process of Rules Studio and Rules Execution server . I intend to use the eclipse plugin to have Rules Studio to develop business rules. If no, what can be the…
vinr
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Throwing exceptions vs. catching exception

I am working on re-writing a business layer for one of the apps in company. For now, the business layer will interface directly with the web client. But in the future, it will be encapsulated with service interfaces and will be consumed by the…
Skadoosh
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Revise database design of Inventory business due fluctuation cost

I had some sort of IT backgrounds with less-more economic and management understandings and some common senses. I added some functionality to current web based system which used to control quantities of inventory over fluctuation cost. The business…
Naoki
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Why will my getter and setter with a constant not work with string.length()?

Is anyone able to explain why when I use a constant within my if statement for String.length() it will not pass a valid test but if I hard code the values within the if statement it will pass? public void setName(String name) { if (name.length()…
Wordsch
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How to reuse a rule as an action of another rule?

Eg: Rule1: Check if Person's Country is 'United States' Rule2: Check if Person's State is 'Washington, D.C.' Now Rule3 is combination of Rule1 and Rule2 Rule3: if Rule1 then Rule2 here Rule2 is an action that will be executed if Rule1…
Allu Balu
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