package myorg.relex.one2one;
   
   import java.util.Date;
   
   import javax.persistence.*;
   
   /**
    * This class provides an example of a the owning entity of a
    * one-to-one, uni-directional relationship where the dependent's
   * primary key is derived from the parent, the parent uses
   * a composite primary key, and the dependent used an @EmeddedId
   * and @MapsId.
   */
  @Entity
  @Table(name="RELATIONEX_BOXOFFICE")
  public class BoxOffice {
  	@EmbeddedId 
  	private ShowEventPK pk; //will be set by provider with help of @MapsId
  	
  	@OneToOne(optional=false, fetch=FetchType.EAGER)
  	@MapsId //provider maps this composite FK to @EmbeddedId PK value
  	private ShowEvent show;
  	
  	@Column(name="TICKETS")
  	private int ticketsLeft;
  
  	protected BoxOffice() {}
  	public BoxOffice(ShowEvent show) {
  		this.show = show;
  	}
  
  	public Date getDate() { return show==null ? null : show.getDate(); }
  	public Date getTime() { return show==null ? null : show.getTime(); }
  	public ShowEvent getShow() { return show; }
  
  	public int getTicketsLeft() { return ticketsLeft; }
  	public void setTicketsLeft(int ticketsLeft) {
  		this.ticketsLeft = ticketsLeft;
  	}
  }