Maven and Gradle Hibernate Enhance Plugin – enableLazyInitializationīy setting the enableLazyInitialization to true, Hibernate changes the bytecode of the getter and setter methods to intercept the call and trigger the property initialization on demand. Learn how to use JPA annotations, Hibernate core features, and Maven repository dependencies with this popular and easy-to-follow guide. Last, in order to configure the execution of the bytecode enhancement plugin, you need to add the following configuration:Ĭonfiguring the Maven and Gradle Hibernate Enhance PluginĪs you have already seen, there are four properties you can configure:īy default, all these settings are set to the value of false, so if you need to enable a given bytecode enhancement setting, you have to do it explicitly. Java Persistence API, Version 2.1 is the latest Hibernate definition of the standard Java interface for object-relational mapping and data access. If you’re using Gradle, then in the adle configuration file, you need to add the following plugin in order to enable the JPA entity bytecode enhancement mechanism. So, in your project pom.xml Maven configuration file, you need the following plugin: The goal of the Hibernate Enhance plugin is to instrument the JPA entity bytecode in order to improve the effectiveness and efficiency of the associated data access operations.įor Maven, Hibernate offers the hibernate-enhance-maven-plugin that allows you to enable JPA entity bytecode enhancement. In this article, I’m going to explain how the configure the Maven and Gradle Hibernate Enhance Plugin. So, enjoy spending your time on the things you love rather than fixing performance issues in your production system on a Saturday night! Well, Hypersistence Optimizer is that tool!Īnd it works with Spring Boot, Spring Framework, Jakarta EE, Java EE, Quarkus, or Play Framework. 7.Follow having a tool that can automatically detect JPA and Hibernate performance issues. In addition, we can test the REST controller API using a free API life cycle testing application, such as Postman. contentType(MediaType.APPLICATION_JSON_UTF8)) andExpect(MockMvcResultMatchers.jsonPath('$.name', Is.is('Name is mandatory'))) andExpect(MockMvcResultMatchers.status().isBadRequest()) MockMvc.perform(MockMvcRequestBuilders.post('/users') Let’s look at the REST controller implementation: class UserController User user) ' Spring Boot makes this seemingly complex process really simple through the implementation of a REST controller. Therefore, we can validate them and perform a few further tasks, depending on the validation results. Of course, we need to implement a layer that allows us to get the values assigned to our User object’s constrained fields. I will want to use Maven to start and stop the database as part of the test phase, so I need an in-memory database that has a maven plugin with the appropriate goals.

Since we’ll use Spring Data JPA for saving users to the in-memory H2 database, we also need to define a simple repository interface for having basic CRUD functionality on User objects: So I need a Maven POM dependencies element that pulls down the minimal dependency set: Hibernate, Spring, Database and test frameworks etc. For further information, please read the official bean validation docs. Therefore, when Spring Boot validates the class instance, the constrained fields must be not null and their trimmed length must be greater than zero.Īdditionally, Bean Validation provides many other handy constraints besides This allows us to apply and combine different validation rules to the constrained classes. Today we will look into JPA annotations as well as Hibernate annotations with brief code snippets.

Also, we specified the error messages with the message attribute. The implementation of our User entity class is pretty anemic indeed, but it shows in a nutshell how to use Bean Validation’s constraints to constrain the name and email fields.įor simplicity’s sake, we constrained the target fields using only the constraint. standard constructors / setters / getters / toString

Hibernate annotations maven dependency