java

Building a Distributed Online Store with Spring Boot, RabbitMQ, and OpenTelemetry

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In this post, we’ll walk through the architecture and implementation of a simple microservices-based online store built with: Microservices Architecture Our online store is made up of the following services: Service Responsibility catalog-service Manages products (name, price) order-service Handles orders, triggers workflow events inventory-service Reserves stock when an order is placed payment-service Simulates payment processing … Read more

Better Swing Layout With MigLayout

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Overview If you are working on swing desktop app, MigLayout is a great library to help you layout your app quickly. MiGLayout revolves around flexibility and simplicity while offering powerful features for fine-grained layout control. Here are the main concepts to understand when working with MiGLayout. 1. Components and Cells 2. Layout Constraints Here are … Read more

Pattern Matching In Java

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Overview Pattern matching is one of the most powerful features introduced in the recent versions of java. It helps us remove the redundant type casting. In this post, I will cover the key aspects of pattern matching with examples. Let’s get started. What is pattern matching? When talking about pattern matching in java, the first … Read more

How to Enable Spring Data MongoDB Auto Index Creation

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Overview If you have tried setting auto-index-creation in spring data mongodb without success, like this: Then this post will show you how to work around this. Let’s get started. Enable auto index creation in MongoDB First, let’s consider this document Here, I defined an unique index for my document named rate_limit_config_service_name but when the application … Read more