We are going to discuss briefly the programming paradigms that are common today. I am not going to be able to give you a detailed understanding of each, but we will have a brief discussion about each and what each paradigm brings to the table in terms of software architecture.

1. SOFTWARE PARADIGMS
AUGUST 2016

2. Programming Paradigms
Procedural
Object Orinede
Declarative
Functional

3. Object Oriented
Objects and Classes
Encapsulation
Polymorphism
Composition, Inheritance
Delegation
DATA ORIENTED

4. Other Paradigms
Functional Programming
gaining in acceptance
JavaScript / node.js

5. Your Paradigm Affects The Design
Procedural / Functional Breakdown
OO: Domain Model / Use Cases / Mapping
Each Paradigm Has Its Own Design Patterns
WE WILL ASSUME OO FOR NOW

6. Model View Controller
OO Architectural Pattern
Split between
Model
View
Controller
Usual Approach: Adopt a Framework

7. Design Patterns
Design Patterns: Elements of Reusable Object-
Oriented Software
“Gang Of Four”
Buy the Book!

8. Object Relational Mapping
Object Oriented Data Store
from Relational Database
OO Databases Exist
But
RDBMS is still “King Of The Hill”

9. ORM Types
Data Mapper
Vs
Active Record
Choose the one that suits your need but beware
of carrying heavy objects around in APIs.

10. ORM Augmentation
Beware of Fat Controllers
Beware of Fat Models
Data Repository
Service Bus Classes
Define Your Own Layers

11. Points Of Study
Software Paradigms
even the ones you don’t use
MVC
ORM
Active Record and Data Mapper
Design Patterns