package ejava.examples.orm.rel.composite;
   
   import java.io.Serializable;
   
   import javax.persistence.Column;
   import javax.persistence.Embeddable;
   
   @Embeddable
   public class DoorPK implements Serializable {
  	private static final long serialVersionUID = -5621257030133324800L;
  	@Column(name="PK_HOUSE_ID") //overridden
  	private int houseId;
  	@Column(name="PK_DOOR_ID") //overridden
  	private int doorId;
  	
  	public DoorPK() {}
  	public DoorPK(int houseId, int doorId) {
  		this.houseId=houseId;
  		this.doorId=doorId;
  	}
  	
  	public int getHouseId() { return houseId; }
  	public int getDoorId() { return doorId; }
  	
  	@Override
  	public int hashCode() {
  		return houseId + doorId;
  	}
  	
  	@Override
  	public boolean equals(Object obj) {
  		try {
  			if (obj==null) { return false; }
  			if (this==obj) { return true; }
  			DoorPK rhs = (DoorPK)obj;
  			return houseId==rhs.houseId && doorId==rhs.doorId;
  		} catch (Exception ex) { return false; }
  	}
  }