Class Project3

Object
  Project3

All Implemented Interfaces:

IBM

public class Project3

extends Object

implements IBM

The Project 3 main class.

Field Summary

Fields inherited from interface IBM

GOLD, metalName, METALS, PLATINUM, URANIUM

Constructor Summary

Project3()

Method Summary

static int	consumers() Get the number of consumers.
static void	debug(Object message) Debug print.
static int	expo(Random rand, int mean) Generate an exponentially distributed random number.
static void	main(String[] args) Main program for project 3.
static String	requestToString(int[] req) Turn a request for resources into a printable string.
static void	setVerbose(boolean onOff) Turn debugging output on or off.
static int	time() Handy procedure for timing.

Methods inherited from class Object

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

Constructor Detail

Project3

public Project3()

Method Detail

consumers

public static int consumers()

Get the number of consumers.

Returns:

the number of consumers.

setVerbose

public static void setVerbose(boolean onOff)

Turn debugging output on or off.

Parameters:

onOff - if true, turn debugging on; otherwise turn it off.

debug

public static void debug(Object message)

Debug print. If the debugging flag is on, print a message, preceded by the name of the current thread. If it is off, do nothing.

Parameters:

message - the message to print.

time

public static int time()

Handy procedure for timing.

Returns:

the elapsed time since startup, in milliseconds.

requestToString

public static String requestToString(int[] req)

Turn a request for resources into a printable string.

Parameters:

req - an indication of the amount of each metal desired.

Returns:

a string representation of req in the format

"[ng+np+nu] = total"

where ng, np, nu, and total are integers.

expo

public static int expo(Random rand,
                       int mean)

Generate an exponentially distributed random number.

Parameters:

rand - the source of random numbers.

mean - the mean of the distribution.

Returns:

the next sample value.

main

public static void main(String[] args)

Main program for project 3.

Parameters:

args - the command-line arguments.