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Questions tagged [3-tier]

For issues relating to setting up and utilizing a 3-tier architecture.

3-tier is a software architecture in which the presentation layer, business access layer and data access layer are developed and maintained as independent modules, sometimes on separate platforms.

370 questions
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Separate user interface from domain in java Swing

As a Java Swing newbie, I have some trouble separating the user interface logic from the domain logic. I have a small (trivial?) Swing app with a JFrame that contains a JLabel, JTextField and a JButton. When pressing the JButton a JFileChooser…
user504342
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generating a web link in a 3 tier-architecture, from the logic layer (C#)

I have a 3-tier architecture system (Data, Logic, Presentation). The Presentation layer is an ASP.Net website. I would like to send out emails from time to time. My assumption is that such logic for sending emails should be placed in the…
Karl Cassar
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3-tier architecture correctness

I have a project implemented in a (flawed) 3-tier architecture. My job is making it more generic so that it would be easy to add a new database into the project. Concrete: there is a databaseFacade for an SQL database and i have to make it more…
Christophe
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Does my application missing app tier?

Am new to programming. I have created a Spring MVC web application. It has JSPs for the frontend, Spring MVC as the middleware component and for data part a request is made to webservice to fetch the data. The middleware component does not have too…
Raghav
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3 Tier Application Architecture possible with Azure?

Hi I have been assigned a task of converting an existing 3 Tier application (Presentation Layer, Business Layer and Data Layer) to an Windows Azure Project. Basically what I did was create a Web Role and put the presentation layer in it then I…
adi bon
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BLL errors best practise

What is the best practise for returning an error of a business rule in a BLL? SHould I just raise exceptions and catch them in the presentation layer, shoudl I return some kind of object that holds any exception type info?
januszstabik
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LINQ with 3 Tier

Currently I am working on the design of my degree project. Some days ago I began studying LINQ. I found it was interesting and planned to use it in my project but now I am getting confused at some point. When I add the LINQ to SQL class it auto…
Mohsan
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Three-Tier architecture and LINQ to Entities

For a couple of years, I've been using the three-tier architecture (Presentation, Logic and Data Layer) to write applications. Usually, I am using tools such as .netTiers to generate the data layer and partially the logic layer. Everything is well…
Martin
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Making an address book application using JAVA

I am a Java beginner and am going to make a small address book client program using java swing. And my goal is implementing 3-tier architecture. (No sql queries are in client program) What would be the best approach for this? I thought (Java…
Jane Garcia
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Tree like Database For Orders SQL

![enter image description here][2]I am working on a database that will create a three-tier structure. The idea is going to look like this: 1st level: Order table Primary Key - OrderID 2nd Level: OrderlineItemHeader table Primary Key -…
Enrique Padilla
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3 tiers architecture best practice using Spring Boot

I work with 3-tier architecture in a Spring Boot app. I created 3 packages (model, service, controller), but what I did, service calls a repo function with try catch, and then I call it in controller Example: Service: public…
renad sahal
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Using seperate layers for interfaces and DTO's

I'm currently following an IT study, and we're asked to use interfaces and DTO's in a multi-layered ASP.Net Core MVC consisting of Presentation, Logic/Business, and Data Access, using dependency inversion so that both the presentation and DAL have…
oggiV
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Getting started with 3-tier architecture in VB.net

I recently started developing a project in 3-Tier architecture, with a BLL, DAL, and Presentation layers. The references I used were sample 3-tier applications off the net, and all of them differ from each other. So, now i am confused which one is…
mrN
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Separation of modules in the business layer

Our new project just started and we have a problem related to its architecture. We have a 3 layer arhitecture: WebUI Business DataRepositories Each layer has reference only to the layer below it. The communication is done with what we call…
AdamB
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What is suggested way to have server-side hooks over mongodb?

MongoDB performs really well compared to our hacking of MySQL in de-normalized way. After database migration, I realized that we might need some server-side procedures to invoke after/before database manipulation. Some sorta 3-tier architecture. I…
Drake Guan
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