Util
Class Util

java.lang.Object
  |
  +--Util.Util

public final class Util

extends java.lang.Object

A repository of miscellaneous utility functions.

Constructor Summary

Util()

Method Summary

static void	DEBUG(java.lang.String debug) print a debug formatted string
static int	Encode(int a, int b) given two int a<2^16 and b<2^16, encode returns a non-commuatative encoding of a and b.
static void	ERR(java.lang.String err) Print an error formatted string and exit app
static void	ERR(java.lang.String err, java.lang.Exception e) print an error message and stack trace and exit
static void	MSG(java.lang.String msg) print a message formatted string
static void	MSGN(java.lang.String msg) print a message formatted string but without an EOL character

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

Encode

public static int Encode(int a,
                         int b)

given two int a<2^16 and b<2^16, encode returns a non-commuatative encoding of a and b. this is a handy little encoding function to group two small integers into a single 32bit integer. an example of its use can be found in the collision detection code in RouterModel.placeNodes()

Parameters:

a - integer < 2^16

b - integer < 2^16

Returns:

int encoding of a,b

ERR

public static void ERR(java.lang.String err)

Print an error formatted string and exit app

ERR

public static void ERR(java.lang.String err,
                       java.lang.Exception e)

print an error message and stack trace and exit

DEBUG

public static void DEBUG(java.lang.String debug)

print a debug formatted string

MSG

public static void MSG(java.lang.String msg)

print a message formatted string

MSGN

public static void MSGN(java.lang.String msg)

print a message formatted string but without an EOL character