package ejava.examples.txhotel.ejb;
   
   import javax.ejb.Stateless;
   import javax.persistence.EntityManager;
   import javax.persistence.PersistenceContext;
   
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   
  /**
   * This EJB provides helper methods used by remote test clients.
   */
  @Stateless
  public class TestUtilEJB implements TestUtilRemote {
      private static final Logger log = LoggerFactory.getLogger(TestUtilEJB.class);
  
      @PersistenceContext(unitName="txhotel")
      private EntityManager em;
  
      @Override
  	public void reset() {
      	log.info("resetting the hotel DB tables");
      	em.createQuery("delete from Reservation").executeUpdate();
      	em.createQuery("delete from Person").executeUpdate();
  	}
  
  }