Register Class Reference

#include <Register.h>

Inheritance diagram for Register:

Public Member Functions
void	advanceTime (int t)
void	push (const int val)

Protected Attributes
int	remaining

Static Protected Attributes
static int	transactTime = 10

Detailed Description

Represents a register line in a store checkout area. Each integer in the base queue represents a cart to be processed. Time is measured in units for scanning a single item in a cart.

Member Function Documentation

void Register::advanceTime ( int  t )

inline

Advance this register's simulation by a specified amount of time

Parameters

t	non-negative number of units of time to advance the register

State change

Prints message for each completed cart, and for empty queue

Pseudocode

while t>0 and a cart remains in the queue:
  if remaining > t:
    subtract t units from remaining, and set t=0
    print message about progress on that cart
  else:
    subtract remaining units from t
    print message about completion of that cart
    remove that cart from the queue
    if a next cart exists in the queue:
      remaining = transactTime + (number of items in that next cart)
if no carts remain:
  print message about no carts remaining

void Register::push ( const int  val )

inline

Override queue::push to maintain remaining in the case of an empty queue

Parameters

val	Represents a new cart

Member Data Documentation

int Register::remaining

protected

Remaining time to complete front cart in queue; no specified value for an empty queue

int Register::transactTime = 10

staticprotected

time per cart to perform a transaction

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The documentation for this class was generated from the following file:

• Register.h