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Questions tagged [business-logic]

Business logic is the abstract thought process behind decision making in human transactions. Translation of business logic into code is one of the major tasks in producing business software.

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Dynamic Business Rules in a web application

Greetings! Working on a web based project were business rules and logic need to be customized by client. I want to do this without having to recompile the application every time we sign up a new client on the system. The architectures I have…
Zaffiro
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Should Business layer of the application be able to access Session object?

Say you have 3 layers: UI, Business, Data. Is that a sign of poor design if Business layer needs to access Sessions? Something about it doesn't feel right. Are there any guidelines to follow specifically tailored to web app? I use c# 2.0 .net
sarsnake
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WCF Service and Business Logic

I am unsure where to place my business logic. I have a WCF service which exposes its methods to my client. Should my business logic go in the service method public User GetUser(int id) { //Retrieve the user from a repository and perform…
ministrymason
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Is it a good or a bad thing that a suite of quickcheck tests match the implementations?

I'm trying to get started with Haskell's QuickCheck, and while I am familiar with the concepts behind the testing methodology, this is the first time I am trying to put it to use on a project that goes beyond testing stuff like reverse . reverse ==…
danbroooks
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Repository, Service or Domain object - where does logic belong?

Take this simple, contrived example: UserRepository.GetAllUsers(); UserRepository.GetUserById(); Inevitably, I will have more complex "queries", such as: //returns users where active=true, deleted=false, and confirmed = true GetActiveUsers(); I'm…
betitall
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Should the ID in the business object be read-only or not?

In my mind the ID field of a business object should be read-only (public get and private set) as by definition the ID will never change (as it uniquely identifies a record in the database). This creates a problem when you create a new object (ID not…
Anthony
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Where should business logic (and what is that?) really live and how to do that with Spring?

I was just reading this article: http://www.tutorialized.com/view/tutorial/Spring-MVC-Application-Architecture/11986 which I find great. It explains the layer architecture nicely and I was glad that the architecture I'm working with pretty much is…
marc82ch
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Which layer do functions like: caching and logging belong?

Let's say my business layer currently contains a bunch of DTO's and separate service classes to communicate with the data repository. Example: class PersonService { IPersonRepository _personRepository; ILogging _logger; ICacheStorage…
Mike
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Is it a bad idea to use a database's primary key as business object identifier?

I wonder, is it bad or good idea to use auto increment primary key as business entity identifier such as Partner Id or Account Number? Also, what pitfalls I can face if I'll choose that approach?
Vokinneberg
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How to use FluentValidation within c# application

I am building an application that has the following layers Data - Entity Framework Context Entities - Entity Framework POCO objects Service - Called by WebApi to load/save entity WebApi - Now i believe that i should put my business logic into the…
Gillardo
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Business Layer Logic (BLL) is about data?

I think BLL is about Data. It should not include a method called SendEmail. BLL is a place for caching data, manipulating it, doing calculations related to business. Sending email is a business process but the code which actually send the email…
Costa
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Where to put such business logic? Service vs DAO?

Given: Spring MVC - Hibernate. Controller -> Service -> DAO Now I have a method which retrieves something from the DB and EVERYTIME it does this, has to do another method say "processList" (something like just changing some values in the list…
Rey Libutan
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Zend Framewok 2, Doctrine 2 and where do Business logic fit in

Consider that I want to be able to save a user to the database, my add action is as follow: public function addAction() { $form = new UserForm(); $form->get('submit')->setValue('Add'); $request = $this->getRequest(); if…
uacaman
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Getting rid of hard coded values when dealing with lookup tables and related business logic

Example case: We're building a renting service, using SQL Server. Information about items that can be rented is stored in a table. Each item has a state that can be either "Available", "Rented" or "Broken". The different states reside in a lookup…
Mika
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How to avoid anemic domain model with business logic in the form of rules

I am designing a system that has a simple Entity Framework backed domain object that has fields I need to update based on a series of rules - I want to implement these rules progressively (in an agile style) and as I am using EF I am sceptical about…
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