package myorg.relex.collection;
   
   
   import javax.persistence.*;
   
   /**
    * This class is provides an example of an entity that implements hashCode/equals 
    * using its database assigned primary key. Note the PK is not assigned until the 
    * entity is inserted into the database -- so there will be a period of time prior
   * to persist() when all instances of this class report the same hashCode/equals. 
   */
  @Entity
  @Table(name="RELATIONEX_SHIP")
  public class ShipByPK extends Ship {
  	@Override
  	public int peekHashCode() {
  		return id;
  	}
  
  	@Override
  	public boolean equals(Object obj) {
  		try {
              if (this == obj) { return logEquals(obj, true); }
  			boolean equals = id==((ShipByPK)obj).id;
  			return logEquals(obj, equals);
  		} catch (Exception ex) {
  			return logEquals(obj, false);
  		}
  	}
  }