package org.myorg.jpatickets.webejb;
   
   import javax.annotation.PostConstruct;
   
   import javax.annotation.PreDestroy;
   import javax.ejb.EJBException;
   import javax.ejb.Stateless;
   import javax.persistence.EntityManager;
   import javax.persistence.PersistenceContext;
  
  import org.myorg.jpatickets.bl.VenueMgmt;
  import org.myorg.jpatickets.bl.VenueMgmtImpl;
  import org.myorg.jpatickets.bo.Venue;
  import org.myorg.jpatickets.dao.VenueDAOImpl;
  import org.myorg.jpatickets.ejb.VenueMgmtRemote;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  @Stateless
  public class WebVenueMgmtEJB implements VenueMgmtRemote {
      private static final Logger logger = LoggerFactory.getLogger(WebVenueMgmtEJB.class);
      
      @PersistenceContext(unitName="jpaticketsweb-labex")
      private EntityManager em;
      
      private VenueMgmt venueMgmt;
      
      @PostConstruct
      public void init() {
          logger.debug("*** WebVenueMgmtEJB:init({}) ***", super.hashCode());
          
          VenueDAOImpl vdao = new VenueDAOImpl();
          vdao.setEntityManager(em);
          venueMgmt=new VenueMgmtImpl();
          ((VenueMgmtImpl)venueMgmt).setDao(vdao);
      }
      
      @PreDestroy
      public void destroy() {
          logger.debug("*** WebVenueMgmtEJB:destroy({}) ***", super.hashCode()); 
      }
  
      @Override
      public Venue createVenue(Venue venue, int sections, int positions, int rows) {
          try {
              return venueMgmt.createVenue(venue, sections, positions, rows);
          } catch (Exception ex) {
              logger.error("error creating venue", ex);
              throw new EJBException("error creating venue:" + ex);
          }
      }
  
      @Override
      public Venue getVenue(String venueId) {
          try {
              return venueMgmt.getVenue(venueId);
          } catch (Exception ex) {
              logger.error("error getting venue", ex);
              throw new EJBException("error getting venue:" + ex);
          }
      }
  }