Spring Boot HikariCP DataSource Configuration
HikariCP is a lightweight JDBC connection pool. Learn about various options for configuring the HikariCP with Spring boot JPA and hibernate.
Configure Hibernate with Spring Boot
Learn to configure hibernate/JPA support in Spring Boot2 applications, along with creating entity classes and extending inbuilt JpaRepository interfaces.
Hibernate save vs saveOrUpdate vs update: Hibernate 7 Guide
Hibernate save(), update() and saveOrUpdate() were deprecated in Hibernate 6 and removed in Hibernate 7. We run the old methods on Hibernate 6.6, then show how persist() and merge() replace them for new, detached and managed entities.
Hibernate Association Mappings and JPA Entity Relationships
Hibernate association mappings link entities with @OneToOne, @ManyToOne, @OneToMany and @ManyToMany. Learn which side owns the foreign key, what mappedBy does, the default fetch types and which mapping to pick.
Hibernate Entity Lifecycle: Transient, Managed, Detached
The four Hibernate entity states (transient, managed, detached, removed), the EntityManager method behind each transition, the SQL it sends in Hibernate 7.4, and how to check the state of an object in code.
Hibernate Ehcache Configuration: ehcache.xml for Hibernate 7
Configure Ehcache 3 for Hibernate 7 with ehcache.xml: one cache per region, templates, ttl/tti expiry, heap and offheap sizing, missing_cache_strategy, concurrency strategies and per-region statistics, all verified by a runnable project.
RESTEasy Bean Validation using Hibernate Validator Provider
The Bean Validation API (JSR-303) defines a meta-data model and API for bean validation based on annotations. The functionality is achieved through the resteasy-hibernatevalidator-provider component. In order to integrate, we need to add resteasy-hibernatevalidator-provider.jar and hibernate-validator.jar files to the classpath. If you are using maven the, you need to add …