ex7_22.txt

j2ee core design patterns

Example 7.22 			Business Object: ContactInfoBO.java

public class ContactInfoBO {
    // ContactInfoData is a Data Object
    private ContactInfoData contactInfoData;

    public ContactInfoBO(ContactInfoData contactInfoData) {
        // validate ContactInfoData values
        . . . 
        // copy contact info data to this object
        this.contactInfoData = contactInfoData;
    }

    // Method to return address data 
    public AddressData getAddressData () {
        return contactInfoData.getAddressData();
    }

    // business methods for ContactInfoBO
    . . .
}