TheServerSide

How JPA EntityManager handles Hibernate transaction management

The key to successful Hibernate transaction management is the JPA EntityManager. It's the only JPA component that can start transactions, commit transactions and hook into Hibernate transactions that ...
TheServerSide

The JPA 2.0 EntityManager vs. the Hibernate Session: Which one to use?

It's the age-old question that almost all enterprise data architects have to ask themselves at some point in time: When using the Hibernate ORM framework with the Java Persistence API (JPA), should ...
GitHub

Simple JPA-like ORM in Java

This project demonstrates a simple Java-based ORM (Object-Relational Mapping) system, similar to JPA (Java Persistence API), with a basic caching mechanism. The goal is to provide a basic ...
InfoWorld

Java persistence with JPA and Hibernate: Persisting data to a database

You’ll also get started with JPA Query Language (JPQL) and use it to execute a few simple database operations on the example application. The complete source code for the example application can be ...
InfoWorld

Java persistence with JPA and Hibernate: Entities and relationships

The Jakarta Persistence API (JPA) is a Java specification that bridges the gap between relational databases and object-oriented programming. This two-part tutorial introduces JPA and explains how Java ...
GitHub

java-entitymanager-generic-dao

This is a small project that uses generic daos to acces data. In this implementation we use the Spring Framework ORM EntityManager using a preconfigured dataSource to implement basic operations such ...