previous |
start |
next .... [Slide 55] ....
Connection
- With whom does Telephone communicate?
- With MailSystem?
- What if there are multiple telephones?
- Each connection can be in different state
(dialing, recording, retrieving messages,...)
- Should mail system keep track of all connection states?
- Better to give this responsibility to a new class.
previous |
start |
next .... [Slide 55] ....