Three types of fields in a containing entity bean.
- By Grant Holland
- March 24, 2001
Architect's Corner
Entity bean relationships in EJB 1.1
Part 1: The basic technique
Grant Holland
Listing 1. Three types of fields in a containing entity bean.
public class LineItem implements EntityBean
{
public int lineItemID, // persistent data
public int orderID, // persistent data
public int quantity; // persistent data
public String productName // related key
public Product product // related EJB object
< all method implementations >
}
public class LineItemPK implements java.io.Serializable
{
public int lineItemID; // identifying field
public int orderID; // identifying field
}