Scala Reactive Programming

Akka Actor – Mailbox(MessageQueue)

It is a message queue for an Actor. It stores incoming messages and acts as a queue without any message broker.

In Akka Toolkit, each Actor typically has its own mailbox.

Actor picks up messages from the mailbox one by one and processes them, which means that it takes the necessary action.

The Akka Toolkit supports different kinds of mailboxes for different use case scenarios. Mainly, it supports the following types of mailboxes:

• Bounded mailbox
• Unbounded mailbox
• Priority mailbox

These are again divided into the following two categories:

• Blocking mailbox
• Non-blocking mailbox

The bounded mailbox supports storing incoming messages up to some limit. If it's blocking the bounded mailbox and reaches its capacity, ...