/**
*  @hibernate.class table="zip_code"
*/
public class ZipCode extends BaseObject implements Serializable
{
   protected Long zip_code;
   protected Set<Channel> channels = new HashSet<Channel>();
      /**
     * @return Returns the channels.
     * @hibernate.set table="channel_zipCode"
     *                lazy="false"
     * @hibernate.key column="zipCode_id"
     * @hibernate.many-to-many class="Channel"
     *                                    column="channel_id"
     */
   public Set<Channel> getChannels()
   {
      return channels;
   }

   public void setChannels(Set<Channel> channels)
   {
      this.channels = channels;
   }
   
   public void addChannel(Channel channel)
   {
      getChannels().add(channel);
   }

   /**
     * @return Returns the zip code.
     * @hibernate.id column="zip_code"
     *              unsaved-value="null"
     */
   public Long getZip_code()
   {
      return zip_code;
   }

   public void setZip_code(Long zip_code)
   {
      this.zip_code = zip_code;
   }
}
/**
*  @hibernate.class table="channel"
*/
public class Channel extends BaseObject implements Serializable
{
   protected Long service_uid;
   protected Long service_id;
   protected String call_letters;
   protected Set<ZipCode> zip_codes = new HashSet<ZipCode>();
   protected Set<Program> programs = new HashSet<Program>();
   /**
     * @hibernate.id column="channel_num"
     *                     length="12"
     *                     unique="true"
     */
   public Long getChannel_num()
   {
      return channel_num;
   }

   public void setChannel_num(Long channel_num)
   {
      this.channel_num = channel_num;
   }

   /**
     * @hibernate.property column="call_letters"
     *                     length="12"
     *                     unsaved-value="null"
     */
   public String getCall_letters()
   {
      return call_letters;
   }

   public void setCall_letters(String call_letters)
   {
      this.call_letters = call_letters;
   }
   
   /**
     * @return Returns the programs.
     * @hibernate.set name="programs"
     *                lazy="true"
     *                cascade="all"
     * @hibernate.key column="channel_num"
     * @hibernate.one-to-many class="Program"
     */
   public Set<Program> getPrograms()
   {
      return programs;
   }

   public void setPrograms(Set<Program> programs)
   {
      this.programs = programs;
   }
   
   public void addProgram(Program program)
   {
      getPrograms().add(program);
   }
   
   /**
     * @return Returns the zip codes.
     * @hibernate.set table="channel_zipCode"
     *                lazy="true"
     *                cascade="all"
     * @hibernate.key column="channel_id"
     * @hibernate.many-to-many class="ZipCode"
     *                                    column="zipCode_id"
     */
   public Set<ZipCode> getZipCodes()
   {
      return zip_codes;
   }
   
   public void setZipCodes(Set<ZipCode> zipcodes)
   {
      this.zip_codes = zipcodes;
   }
   
   public void addZipCode(ZipCode zip)
   {
      getZipCodes().add(zip);
   }
}
@Entity
@Table(name="ZipCode")
public class ZipCode extends BaseObject implements Serializable
{
   protected Long zip_code;
   protected Set<Channel> channels = new HashSet<Channel>();
   
   @ManyToMany(mappedBy="zipCodes",
            targetEntity=Channel.class,
            fetch=FetchType.LAZY,
                                cascade=CascadeType.ALL)
   public Set<Channel> getChannels()
   {
      return channels;
   }

   public void setChannels(Set<Channel> channels)
   {
      this.channels = channels;
   }
   
   public void addChannel(Channel channel)
   {
      getChannels().add(channel);
   }

   @Id
   public Long getZip_code()
   {
      return zip_code;
   }

   public void setZip_code(Long zip_code)
   {
      this.zip_code = zip_code;
   }
}

@Entity
@Table(name="Channel")
public class Channel extends BaseObject implements Serializable
{
   protected Long service_uid;
   protected Long service_id;
   protected String call_letters;
   protected Set<ZipCode> zipCodes = new HashSet<ZipCode>();
   protected Set<Program> programs = new HashSet<Program>();
   
   @Id
   public Long getChannel_num()
   {
      return channel_num;
   }

   public void setChannel_num(Long channel_num)
   {
      this.channel_num = channel_num;
   }

   @Column(name="call_letters", nullable=true, length=12)
   public String getCall_letters()
   {
      return call_letters;
   }

   public void setCall_letters(String call_letters)
   {
      this.call_letters = call_letters;
   }
   
   @OneToMany(mappedBy="channel")
   public Set<Program> getPrograms()
   {
      return programs;
   }

   public void setPrograms(Set<Program> programs)
   {
      this.programs = programs;
   }
   
   public void addProgram(Program program)
   {
      getPrograms().add(program);
   }
   
   @ManyToMany(targetEntity=ZipCode.class,
            fetch=FetchType.LAZY)
   @JoinTable(name="channel_zipCode",
            joinColumns={@JoinColumn(name="channel_id")},
          inverseJoinColumns={@JoinColumn(name="zipCode_id")})
@org.hibernate.annotations.Cascade(org.hibernate.annotations.CascadeType.SAVE_UPDATE)
   public Set<ZipCode> getZipCodes()
   {
      return zipCodes;
   }
   
   public void setZipCodes(Set<ZipCode> zipcodes)
   {
      this.zipCodes = zipcodes;
   }
   
   public void addZipCode(ZipCode zip)
   {
      getZipCodes().add(zip);
   }
}