package ejava.examples.orm.inheritance.annotated;
   
   import javax.persistence.*;
   
   /**
    * This class provides an example of a non-entity base class that can be 
    * mapped into tables defined by entities that derive from this class.
    */
   @MappedSuperclass
  public abstract class BaseObject {
      private long id;
      @Access(AccessType.FIELD)
      private long version;
      
      @Transient
      public long getId() { return id; }
      protected void setId(long id) {
          this.id = id;
      }
      
      public long getVersion() { return version; }
      public void setVersion(long version) {
          this.version = version;
      }
      
      @Transient
      public abstract String getName();
      
      public String toString() {
          StringBuilder text = new StringBuilder(super.toString());
          text.append(", id=" + id);
          text.append(", name=" + getName());
          return text.toString();
      }
  }