Book Image

Jakarta EE Cookbook - Second Edition

By : Elder Moraes
Book Image

Jakarta EE Cookbook - Second Edition

By: Elder Moraes

Overview of this book

Jakarta EE is widely used around the world for developing enterprise applications for a variety of domains. With this book, Java professionals will be able to enhance their skills to deliver powerful enterprise solutions using practical recipes. This second edition of the Jakarta EE Cookbook takes you through the improvements introduced in its latest version and helps you get hands-on with its significant APIs and features used for server-side development. You'll use Jakarta EE for creating RESTful web services and web applications with the JAX-RS, JSON-P, and JSON-B APIs and learn how you can improve the security of your enterprise solutions. Not only will you learn how to use the most important servers on the market, but you'll also learn to make the best of what they have to offer for your project. From an architectural point of view, this Jakarta book covers microservices, cloud computing, and containers. It allows you to explore all the tools for building reactive applications using Jakarta EE and core Java features such as lambdas. Finally, you'll discover how professionals can improve their projects by engaging with and contributing to the community. By the end of this book, you'll have become proficient in developing and deploying enterprise applications using Jakarta EE.
Table of Contents (14 chapters)

Generating and/or monitoring metrics with the MicroProfile Metrics API

With the increase of the granularity of services (which came with the microservices approach), the complexity to manage all those little nodes of features (that is, microservices) also increases. So, being able to generate, store, and monitor its metrics has become the key to success, so you can have more data to help you to manage its complexity, even when it is growing.

In this recipe, you will learn how to do this using the Eclipse MicroProfile Metrics API. You will see the default metrics generated by the framework and how to generate metrics at the application level (metrics created by you), so you can monitor what makes sense for your business.

As MicroProfile is a specification and a standard, it has implementations. In this recipe, we will use Helidon MP (