package myorg.entityex.annotated;
   
   import java.io.Serializable;
   
   import javax.persistence.Column;
   import javax.persistence.Embeddable;
   
   @Embeddable
   public class CowPK implements Serializable { //required to be Serializable
  	private static final long serialVersionUID = 1L;
  	@Column(name="HERD", length=16)
  	private String herd;
      private String name;
      
      public CowPK(){} //required default ctor
  	public CowPK(String herd, String name) {
  		this.herd = herd;
  		this.name = name;
  	};
  	
  	public String getHerd() { return herd; }
  	public String getName() { return name; }
  	public void setName(String name) { this.name = name; }
  	
  	@Override
  	public int hashCode() { //required hashCode method
  		return herd.hashCode() + name.hashCode();
  	} 
  	
  	@Override
  	public boolean equals(Object obj) { //required equals method
  		try {
  			return herd.equals(((CowPK)obj).herd) && 
  					name.equals(((CowPK)obj).name);
  		} catch (Exception ex) {
  			return false;
  		}
  	}
      
  }