wrapping up scala and hibernate. Main method/object

main.scala

package com.natalinobusa.jpa

import javax.persistence.EntityManager
import javax.persistence.EntityManagerFactory
import javax.persistence.Persistence

import scala.collection.JavaConversions._

object HibernateJpaScalaTutorial      {

  var entityManagerFactory: EntityManagerFactory = Persistence.createEntityManagerFactory( "com.natalinobusa.jpa.HibernateJpaScalaTutorial" )
  var entityManager: EntityManager = entityManagerFactory.createEntityManager()
  
  def main( args : Array[String]) {
  
    entityManager.getTransaction().begin()
    entityManager.persist( new Buddy( "Natalino", "Busa" ) )
    entityManager.persist( new Buddy( "Angelina", "Jolie" ) )
    entityManager.persist( new Buddy( "Kate", "Moss" ) )
    entityManager.getTransaction().commit()
  
    entityManager.getTransaction().begin();
    val allBuddies = entityManager.createQuery("From Buddy", classOf[Buddy]).getResultList.toList
    entityManager.getTransaction().commit();
    
    allBuddies foreach println 
    
    entityManager.close();
    
  }
}