1
vote
1answer
200 views

Confused about implementing Single Responsibility Principle

Please bear with me if the question looks not well structured. To put you in the context of my issue: I am building an application that invoices vehicles stay duration in a parking. In addition to ...
0
votes
3answers
340 views

How do I create a simple yet complex business layer?

I'm working with a fairly complex web application. It's split up into the following layers: Presentation - HTML Service layer - A REST and SOAP API communicating with the business layer Business ...
1
vote
2answers
400 views

Converting Business Process Maps into Software

I am fairly new to web application development. I have defined my problem domain through talking to various stakeholders and putting a process map together - basically a flow chart showing the ...
3
votes
3answers
574 views

design practice for business layer when supporting API versioning

Is there any design pattern or practice recommended for business layer when dealing with multiple API version. For example, I have something like this. http://site.com/blogs/v1/?count=10 which ...
0
votes
6answers
2k views

When to use the 3 layers model?

I was recently exposed to the three layer model (DAL,BL,UI). Someone told me I should ALWAYS work with this model. I have a medium project that I'm starting and I have doubts whether I should build ...