package ejava.examples.orm.core.annotated;
   
   import javax.persistence.*;
   
   /**
    * This class provides an example of embedding a primary key class within
    * the conatining class and doing all the mapping if the PK here instead
    * of the PK class. Note that we are able to better generalize the PK class
    * because of where the mapping is placed.
   */
  @Entity
  @Table(name="ORMCORE_PEN")
  public class Pen {
      @EmbeddedId
      @AttributeOverrides({
          @AttributeOverride(name="make", column=@Column(name="PEN_MAKE")),
          @AttributeOverride(name="model", column=@Column(name="PEN_MODEL"))             
          })
      private MakeModelPK pk;
      private int size;
      
      public Pen() {}
      public Pen(String make, String model) {
          this.pk = new MakeModelPK(make, model);
      }
      
      public MakeModelPK 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();
      }
  }