public void removePhoneNumber(TelephoneNumber telephoneNumber) {
Enumeration keys = ((Hashtable) telephoneNumbers).keys();
while (keys.hasMoreElements()) {
Object key = keys.nextElement();
TelephoneNumber potentialTelephoneNumber = (TelephoneNumber) telephoneNumbers.get(key);
if (potentialTelephoneNumber.equals(telephoneNumber)) {
telephoneNumbers.remove(key);
potentialTelephoneNumber.setBeerConsumer(null);
return;
}
}
}
/**
* This model requires that a BeerConsumer be persisted prior to assigning him/her a telephone
* number. This is because the BeerConsumer id is part of the composite primary key, and that key
* is needed for the map that holds the telephone numbers.
*/
public void addTelephoneNumber(TelephoneNumber telephoneNumber) {
telephoneNumber.setBeerConsumer(this);
telephoneNumbers.put(telephoneNumber.buildPK(), telephoneNumber);
}