Akka Ask

Posted on Leave a commentPosted in Akka, Java

On all our previous example we have been using Tell┬ámethod to send messages to actors, in Akka this is known as fire-and-forget. Which means you send a message and there is no blocking, Actors, handle a separate thread to handle the actual work. But what happens when you need a return value? you pass a […]

Akka Immutable Messages

Posted on Leave a commentPosted in Akka, Java

By default Akka does not make your variables immutables, so if you are passing around message/objects with mutable variables there is still a case where you can experience a deadlock. That is why it is highly recommended to use immutable messages when integrating with Akka Actors. What are immutable messages? Basically these are variables that […]

React JS Notes

Posted on Leave a commentPosted in Architect, Technologies

This is not suppose to be a comprehensive guide on how to use React JS, but more of a cheat sheet if you need a refresher on how react works. React Key concepts components structured – Files are separated in what they call components, and each part of the page would have their own js […]

Well Architectured Framework

Posted on 2 CommentsPosted in AWS

5 Pillars of Well Architected Framework Security Design Principles: Apply Security at all layers Enable traceability Implement principle of least privilege Focus on securing your System (Data, Operating System, Application) Automate Security Events Definition: Use Detective Controls Infrastructure protection Data Protection Incident Response Questions to ask for this pillar How are you protecting access to […]