package ejava.examples.orm.core.annotated;
   
   import javax.persistence.*;
   
   /**
    * This class provides an example of embedding a primary key class within
    * the containing class.
    */
   @Entity
  @Table(name="ORMCORE_NAPSACK")
  public class Napsack {
      @EmbeddedId
      private NapsackPK pk;
      private int size;
      
      public Napsack() {}
      public Napsack(String make, String model) {
          this.pk = new NapsackPK(make, model);
      }
      
      public NapsackPK getPk() { return pk; }
      
      public int getSize() { return size; }
      public void setSize(int size) {
          this.size = size;
      }
      
      public String toString() {
          return new StringBuilder()
             .append(super.toString())	       
             .append(", pk=").append(pk)
             .append(", size=").append(size)
             .toString();
      }
  }