Monday, June 30, 2014

JPA and JPA compliant implementations

This blog post explain the JPA and its compliant implementations . In 2006 Java community introduced the JPA 1.0 with EJB 3 because EJB2.1 was heavyweight resource consuming , JPA is a Persistence specification and any one can implement the persistence provider , Hibernate has their classical ORM tool , after introducing JPA 2.0 they released Hibernate Entity manager which a complaint implementation. There were other providers OpenJPA , EclipseLink and DataNucleus