com.compoze.ejb
Class TimeAndIPPKGenerator

java.lang.Object

  |

  +--com.compoze.ejb.TimeAndIPPKGenerator

All Implemented Interfaces:

IPrimaryKeyGenerator

public class TimeAndIPPKGenerator

extends java.lang.Object

implements IPrimaryKeyGenerator

This class has the ability to generate unique primary keys using the current system time and local IP address.

Constructor Summary

TimeAndIPPKGenerator()

Method Summary

long	getLong(User caller, java.lang.Class ejbClass) Gets a primary key based on the current system time and IP address.
static void	main(java.lang.String[] args) Exerciser.

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeAndIPPKGenerator

public TimeAndIPPKGenerator()

Method Detail

getLong

public long getLong(User caller,
                    java.lang.Class ejbClass)

Gets a primary key based on the current system time and IP address. Within reason, no two calls to this method on the same machine in the same virtual machine will produce the same result.

Specified by:

getLong in interface IPrimaryKeyGenerator

Parameters:

caller - the caller

ejbClass - the class for which the primary key is being generated

Returns:

the unique long

main

public static void main(java.lang.String[] args)

Exerciser.

Parameters:

args - none taken