Class Customer

java.lang.Object
  |
  +--Customer

All Implemented Interfaces:

Enron, Runnable

public class Customer

extends Object

implements Runnable, Enron

CS 537, Fall 2002, Project 3. An energy customer.

Copyright © 2002 by Marvin Solomon. All rights reserved.

Field Summary

private int[]	consumed Total consumed thus far
private static DecimalFormat	fmt A format for printing fractions to two decimal places.
private int	id Id of this customer
private int[]	maxPurchase Mean amount of each quantity to purchase on each request.
private int	meanSleepTime Mean sleep time (in milliseconds) between purchase requests.
private int	numberOfPurchases Number of buying requests completed by this Consumer
private Random	rand A source of random numbers.
private int	totalServiceTime Sum of service times for all requests
private Trader	trader The trader to buy from.

Fields inherited from interface Enron

cname, COAL, COMMODITIES, cunit, ELEC, GAS, OIL

Constructor Summary

Customer(int id, Trader trader)
Create a new Customer object.

Method Summary

private static void	pl(Object o) Abbreviation for System.out.println.
void	printReport() Print information about the history of this customer.
void	run() Main loop.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

id

private int id

Id of this customer

trader

private Trader trader

The trader to buy from.

meanSleepTime

private int meanSleepTime

Mean sleep time (in milliseconds) between purchase requests.

maxPurchase

private int[] maxPurchase

Mean amount of each quantity to purchase on each request.

consumed

private int[] consumed

Total consumed thus far

numberOfPurchases

private int numberOfPurchases

Number of buying requests completed by this Consumer

totalServiceTime

private int totalServiceTime

Sum of service times for all requests

rand

private Random rand

A source of random numbers.

fmt

private static DecimalFormat fmt

A format for printing fractions to two decimal places.

Constructor Detail

Customer

public Customer(int id,
                Trader trader)

Create a new Customer object.

Parameters:

id - the unique id of this customer.

trader - the trader to contact to buy stuff.

Method Detail

pl

private static void pl(Object o)

Abbreviation for System.out.println.

Parameters:

o - the object to be printed.

printReport

public void printReport()

Print information about the history of this customer.

run

public void run()

Main loop. Repeatedly generate random buy orders to the trader until the trader tells us to stop. Then print some info and return.

Specified by:

run in interface Runnable