All Packages Class Hierarchy This Package Previous Next Index
Class banking.Message
java.lang.Object
|
+----banking.Message
- public class Message
- extends Object
Representations of a message from the ATM to the bank.
Messages to the bank use a fixed format with fixed slots, not all of which
pertain to any given type of transaction. Each type of transaction creates
one or more subclasses using the slots that it needs, and supplying appropriate
"not needed" values for the rest.
-
amount
- Transaction amount specified by customer - if needed (else $0.00)
-
card
- The customer's card
-
COMPLETE_DEPOSIT
- messageCode value for a message completing a deposit (envelope received).
-
fromAccount
- "From" account specified by customer - if needed (else - 1)
-
INITIATE_DEPOSIT
- messageCode value for a message initiating a deposit
-
INQUIRY
- messageCode value for an inquiry message
-
messageCode
- Code identifying the type of message - one of the above values
-
pin
- PIN entered by customer
-
serialNumber
- Serial number of the transaction
-
toAccount
- "To" account specified by customer - if needed (else - 1)
-
TRANSFER
- messageCode value for a transfer between accounts message
-
WITHDRAWAL
- messageCode value for a cash withdrawal message
-
Message(int, Card, int, int, int, int, Money)
- Constructor
-
getAmount()
- Accessor for acmount
-
getCard()
- Accessor for customer's card
-
getFromAccount()
- Accessor for "from" account
-
getMessageCode()
- Accessor for message code
-
getPIN()
- Accessor for PIN
-
getSerialNumber()
- Accessor for transaction serial number
-
getToAccount()
- Accessor for "to" account
-
setPIN(int)
- Set PIN to a new value (if original pin was invalid and customer is
asked to re-enter PIN)
-
toString()
- Create a printable string representing this message
WITHDRAWAL
public static final int WITHDRAWAL
- messageCode value for a cash withdrawal message
INITIATE_DEPOSIT
public static final int INITIATE_DEPOSIT
- messageCode value for a message initiating a deposit
COMPLETE_DEPOSIT
public static final int COMPLETE_DEPOSIT
- messageCode value for a message completing a deposit (envelope received).
TRANSFER
public static final int TRANSFER
- messageCode value for a transfer between accounts message
INQUIRY
public static final int INQUIRY
- messageCode value for an inquiry message
messageCode
private int messageCode
- Code identifying the type of message - one of the above values
card
private Card card
- The customer's card
pin
private int pin
- PIN entered by customer
serialNumber
private int serialNumber
- Serial number of the transaction
fromAccount
private int fromAccount
- "From" account specified by customer - if needed (else - 1)
toAccount
private int toAccount
- "To" account specified by customer - if needed (else - 1)
amount
private Money amount
- Transaction amount specified by customer - if needed (else $0.00)
Message
public Message(int messageCode,
Card card,
int pin,
int serialNumber,
int fromAccount,
int toAccount,
Money amount)
- Constructor
- Parameters:
- messageCode - identifying the type of message
- card - the customer's card
- pin - the PIN entered by the customer
- serialNumber - serial number of the transaction
- fromAccount - the type of the "from" account of the transaction - can
be -1 if the particular type of transaction does not have a "from"
account (e.g. a deposit)
- toAccount - the type of the "to" account of the transaction - can
be -1 if the particular type of transaction does not have a "to"
account (e.g. a withdrawal)
- amount - the amount of the transaction - can be null if the particular
type of transaction does not have an amount (e.g. an inquiry)
toString
public String toString()
- Create a printable string representing this message
- Returns:
- string representation
- Overrides:
- toString in class Object
setPIN
public void setPIN(int pin)
- Set PIN to a new value (if original pin was invalid and customer is
asked to re-enter PIN)
- Parameters:
- pin - the new pin to set
getMessageCode
public int getMessageCode()
- Accessor for message code
- Returns:
- the code identifying the type of message
getCard
public Card getCard()
- Accessor for customer's card
- Returns:
- the customer's card
getPIN
public int getPIN()
- Accessor for PIN
- Returns:
- the PIN entered by the customer
getSerialNumber
public int getSerialNumber()
- Accessor for transaction serial number
- Returns:
- the serial number of the transaction
getFromAccount
public int getFromAccount()
- Accessor for "from" account
- Returns:
- the type of the "from" account
getToAccount
public int getToAccount()
- Accessor for "to" account
- Returns:
- the type of the "to" account
getAmount
public Money getAmount()
- Accessor for acmount
- Returns:
- the transaction amount
All Packages Class Hierarchy This Package Previous Next Index