Architecture

Reactive java combining Mono(s)

Reactive Java: combining Mono(s)

Reading Time: 4 minutes Reactive programming has been a good to go approach with the microservices architecture. Here we will see how it can be achieved using spring web flux MONO Api and what could go wrong if we do not consider the basics of the reactive environment.

Spring Interceptors: How to use them correctly?

Reading Time: 2 minutes Hi folks! we’ll focus on understanding the Spring Interceptors and how to use it correctly. What is Spring interceptors When a request is sent to spring controller, it will have to pass through Spring Interceptors (0 or more) before being processed by Controller. Spring Interceptor is only applied to requests that are sending to a Controller. Spring Interceptor – HandlerInterceptor preHandle(): This method is used to intercept the request before Continue Reading

The Platform Strategy – ignore it at your own peril

Reading Time: 4 minutes Introduction You are developing a product trying to help your core business grow through technology. The easiest way to start is to design what you need and start coding it as a monolithic blob. The product becomes successful and you start seeing the impact that it has made on your business. The next thought is to make the product commercially available so that other businesses Continue Reading

Reactive Java: Handling Errors in Reactive Streams

Reading Time: 4 minutes  If errors and failures are passed to the right component, which can handle them as notifications, the application can become more fault-tolerant or resilient. So if we build our system to be event-driven, we can more easily achieve scalability and failure tolerance, and a scalable, decoupled, and error-proof application is fast and responsive to users.” Nickolay Tsvetinov Reactive in layman’s language says how quickly the client Continue Reading

Mocking The Right Way

Reading Time: 3 minutes Mockito is a fun way to perform unit tests, but it’s true potential can only be realised if the underlying layers are designed in such a way that there is no interaction with the internal logic of other components of the application.

Aspect Oriented Programming with Spring

Reading Time: 4 minutes What is AOP? Applications are generally developed with multiple layers. A typical Java application has Web Layer – Exposing the services to the outside world using REST or a web application Business Layer – Business Logic Data Layer – Persistence Logic While the responsibilities of each of these layers are different, there are a few common aspects that apply to all layers Logging Security These Continue Reading

KnolMoney: More than a Corporate Virtual Wallet

Reading Time: 3 minutes KnolMoney – An entry gate to the whole world of possibilities that you can do with a virtual wallet. In the age of the digital world, every transaction we do mostly is by digital wallets which can be used almost at every mall/shops. But in this wallet run, what we have forgotten is the Corporate Community. Here, comes Knoldus into a picture with a solution– KnolMoney, Continue Reading

Reactive Architecture

Reading Time: 2 minutes Recently I got an invitation to present a guest lecture for faculty of Engineering colleges in ABES college of Engineering. I came up with the most trending topic i.e Reactive Architecture. We talked about what is this buzzing keywords and why does it came into existence. Also What are the challenges one were facing and how are the real world problems being solved by using Continue Reading

Need the Grafana slack monitoring alert? Let’s create it now.

Reading Time: 3 minutes In my previous blog, we created the first Grafana dashboard. Now in this blog, we will create our first monitoring Grafana alert. Before creating monitoring alerts, we need to add the notification channel through which we will be notified. Here, we will be adding slack as the notification channel. Slack notification channel: First, open the URL http://localhost:3000 in the browser and log in to the Continue Reading