Knoldus Blogs

A Brief Introduction to Axon Framework

July 25, 2022July 26, 2022CQRS, event, Event Sourcing, Java, Microservices#java, cqrs, Domain Driven Design, event sourcing, events, Java Framework, Microservices, Reactive Programming

Reading Time: 3 minutes Need for Axon Framework Axon Framework is designed to support developers in applying the CQRS/DDD architectural pattern and Event Sourcing. It helps developers build easily scalable and maintainable applications by providing implementations of some basic building blocks, such as Aggregates, repositories, and event buses Axon Framework, founded by Allard Buijze also working for Trifork, is an open source product with version 3 planned for Q1 2016. CQRS Example Using Continue Reading

Event Sourced Entity in Kalix

July 19, 2022July 22, 2022Studio-ScalaEvent Processing, event sourcing, events, Kalix

Reading Time: 3 minutes What is an event sourced entity? Before understanding event sourced entity, let’s first understand a few terminologies: Entity – An entity is any singular, identifiable and separate object. Command – Command is an instruction which a user gives to a computer or a program to perform a specific task. State – The state of a program is its condition regarding stored inputs. The term “state” is similarly Continue Reading

Highlights of Scala Days, New York 2018

July 9, 2018July 10, 2018event, Studio-Scalaevents, Scala Days

Reading Time: 3 minutes Scala Days was held on June 19-21, 2018 in New York and hosted by Lightbend, which brings together hundreds of like-minded Scala developers, engineers, and sponsors from around the world to exchange info, learn from keynotes and to celebrate Scala community. Did you miss the event? Don’t worry; we’ve got you covered. Vikas Hazrati and Ram Indukuri from Knoldus Inc. attended Scala Days 2018, New Continue Reading

Code Combat II : The Code Battle For The Vanguard Continues…

June 28, 2018Akka, Apache Kafka, Apache Spark, Java, ML, AI and Data Engineering, Studio-ScalaAkka, Blockchain, events, java, learning, Machine Learning, scala, technology

Reading Time: 4 minutes “If you can dream it, you can do it. ” -Walt Disney For some coding is a job. For some, it is an exercise. But for us folks here at Knoldus, it’s a Passion. So in order to bring a twist in the daily work schedule, Knoldus held an overnight Hackathon competition within the organization on 18th May 2018 which presented an opportunity for every Knolder(employees Continue Reading

Concepts of CQRS

June 19, 2018August 9, 2018Architecture, Database, event, Microservices, Tutorialcqrs, Database, Design, event sourcing, events, Introduction, learning, Microservice architecture design, technology

Reading Time: 3 minutes In the previous blog, we have learnt what Event Sourcing is. Moving forward, we will dive into the concepts of CQRS, understanding its meaning, why is it required and its advantages. CQRS Pattern CQRS stands for Command Query Responsibility Segregation. As the name suggests, we split the application in two parts: Command-Side and Query-Side. Now one will ask what this command and query means? Okay, Continue Reading