Shradha Saxena, Author at Knoldus Blogs

Functional programming

March 29, 2023April 3, 2023Java

Reading Time: 7 minutes Functional programming helps to solve problems in an easier way. Unlike other programming paradigms, such as imperative programming, functional programming focuses on what needs to be done rather than how it should be done. Functional programming also relies on higher-order functions, which are functions that take other functions as arguments or return functions as results. This allows for the composition of functions, which can simplify code Continue Reading

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Connecting Kafka With Micronaut

November 18, 2022November 21, 2022Micronaut, Tech Blogskafka, Micronaut

Reading Time: 2 minutes connecting micronaut with kafka

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Kafka Vs Axon: Can we compare?

September 30, 2022October 18, 2022Java, Tech BlogsAxon Framework, event sourcing

Reading Time: 2 minutes Introduction This is a commonly asked question what is the exact difference between the working of Axon and Kafka, at what place we are good to use Kafka, and at what place we are good to use the Axon framework, and how their combination works efficiently.This blog will wrap up most of the misunderstood points on these topics.Since we know very well from our previous Continue Reading

Parameters Resolvers in Axon

September 26, 2022October 25, 2022Studio-ScalaAxon Framework, cqrs, Domain Driven Design, java

Reading Time: 2 minutes Hi! In this blog, we will talk about the parameter resolvers in axon which help us build and model complex business entities required for the CQRS framework. Introduction What is Axon?It is a Java Framework, It allows to build of DDD (Domain Driven Design), CQRS (Command Query Responsibility Separation), and Event Sourcing as well.It helps in building several microservices from the system which would be easy to Continue Reading

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

Dependency Injection in Springboot

June 30, 2022July 1, 2022Studio-Scala

Reading Time: 2 minutes What is Dependency Injection? It helps in injecting one object into another object Make it easy to do loose coupling Managing and testing the code becomes easy Removes dependency from the program and provides information externally Consider an example: class Student { Marks marks; Student(Marks marks){ this.marks=marks; } public void setMarks(Marks marks){ this.marks=marks; } } Here the instance of Marks class is provided externally That Continue Reading

Project Loom: Threads Vs Virtual Threads

May 19, 2022May 19, 2022Studio-Scala#java, concurrency

Reading Time: 2 minutes If you’d like to create a large number of processes in a cheap way, these processes must run in a concurrent way so that a scale is achieved for a large number of requests processing. To understand in which scenario the Thread needs to scale, let us look at an example below. Concurrency Example HTTP requests processing messages from the queue integrating external services orchestrating Continue Reading

JUnit and Mockito

February 28, 2022February 28, 2022Studio-Scala

Reading Time: 3 minutes This blog will explain to you the unit testing with the Junit framework Unit Testing It is a software testing technique in which we test individual components/parts of the software, i.e., a group of computer programs, usage procedures, etc. We do unit testing of an object while developing an application or project. The aim of unit testing is to isolate a segment of code (unit) Continue Reading

Git Merge Vs Rebase

January 31, 2022January 31, 2022Studio-Scala

Reading Time: 3 minutes There is always a question in everyone’s mind what to choose between merge and rebase!!This blog might help you to get such answers The first thing to understand about git rebase is that it solves the same problem as git merge. Both of these commands are designed to integrate changes from one branch to another branch– they just do it in very different ways. Consider Continue Reading

Demystifying Dispatchers in Akka

December 5, 2020December 5, 2020Akka, Studio-Scaladispatcher, Lightbend CoE

Reading Time: 2 minutes As the name suggests ‘dispatch‘ decides when the actor should dispatch a message and when it does not have to. In the situation in which you think that your actor system must get faster but it’s not working as per expectation then dispatchers are the first place, you should look at. It’s up to the Dispatchers to decide when to allow the actor to process Continue Reading

Scheduling Messages in Akka

November 15, 2020November 15, 2020Akka, Lightbend, Studio-ScalaLightbend CoE

Reading Time: 2 minutes Take a situation where you want to make an actor sleep and it should resume after a period of time. Or you want your actor to perform a task on a recurring basis then you must schedule a message. Here I will discuss how to do that !! Scheduled delivery of messages Often, a need exists to schedule the sending of a message to an Continue Reading

Understanding Akka Actor Lifecycle

November 8, 2020November 8, 2020Akka, Lightbend, Studio-ScalaLightbend CoE

Reading Time: 3 minutes So, here is a glimpse of how an Akka Actor Lifecycle works. The actor lifecycle begins as soon as the actor is created. The stages of an Akka Actor Lifecycle are as follows – preStart() Start Stop postStop() terminated Starting Actors Creating an actor automatically starts it. A started actor is fully operable. We can start an Actor with a preStart() hook. And for more Continue Reading