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Class atm.physical.CardReader 

java.lang.Object
   |
   +----atm.physical.CardReader
public class CardReader
extends Object
Manager for the ATM's card reader. In a real ATM, this would manage a physical device; in this simulation, it uses classes in package simulation to simulate the device.

Variable Index

o atm
The ATM to which this card reader belongs

Constructor Index

o CardReader(ATM)
Constructor

Method Index

o ejectCard()
Eject the card that is currently inside the reader.
o readCard()
Read a card that has been partially inserted into the reader
o retainCard()
Retain the card that is currently inside the reader for action by the bank.

Variables

o atm 
 private ATM atm
The ATM to which this card reader belongs

Constructors

o CardReader 
 public CardReader(ATM atm)
Constructor

Parameters:
atm - the ATM that owns this card reader

Methods

o readCard 
 public Card readCard()
Read a card that has been partially inserted into the reader

Returns:
Card object representing information on the card if read successfully, null if not read successfully
o ejectCard 
 public void ejectCard()
Eject the card that is currently inside the reader.

o retainCard 
 public void retainCard()
Retain the card that is currently inside the reader for action by the bank. 

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