/**
* @hibernate.class table="master"
*/
 public   class  MasterPOJO {
   private   Long  id;
   private  String name;
   private  List details; // list of DetailPOJOs
  ....
    /**
     * @hibernate.list
     *  table="detail"
     *  lazy="true"
     *  cascade="all"
     * @hibernate.collection-key
     *  column="master_id" // название поля
     * @hibernate.collection-one-to-many
     *   class="DetailPOJO"
     */
   public  List getDetailList() {
     return   this .details;
  }

  /**
  * сюда вроде ничего
  */ 
   public  DetailPOJO getNextDetail() {
      return  (DetailPOJO) this .details.getNextItem();
  }

  /**
  * и сюда ничего
  */ 
   public   void  addDetail(DetailPOJO detail) {
      this .details.add(detail);
  }
}


/**
* @hibernate.class table="detail"
*/
 public   class  DetailPOJO {
   private   Long  id;
   private  String name;

//если двунаправленная связь то нужно
   private  MasterPOJO masterPOJO;
    /**
     * @hibernate.many-to-one
     *   class="MasterPOJO"
     *   column="master_id"
     *   cascade="all"
     *   outer-join="true"
     *   not-null="true"
     */
     public  MasterPOJO getMaster() {
         return  masterPOJO;
    }
     public   void  setMaster(MasterPOJO masterPOJO) {
         this .masterPOJO = masterPOJO;
    }
 
 }