Actors Model
Víctor Martínez
What it is?
A computational model in which the fundamental unit of computation is called an Actor
So, what can actors do?
Process
X
Y
Factorial
Store state
Actor
X=3
Communicate!
A
B
Give me some data!
Okay dude, here it is
Everything
is
an Actor
Actor System
Fundamental properties
- Each actor run on its own single thread
- Actors do not share state
- Actors just receive messages and react to it
Addr 1
Addr 2
Addr 3
How can an Actor react to a message?
- Send a message
- Create more actors
- Designate what to do with the next message
Articles API System
Web Server
Db Actor
Postgres DB
GET /3
get_article(3)
lookup article 3
Article data
Article obj
Article Response
Actors Model Víctor Martínez