nextapp.echoservlet
Class Id

java.lang.Object
  nextapp.echoservlet.Id

All Implemented Interfaces:

java.lang.Comparable, java.io.Serializable

public final class Id

extends java.lang.Object

implements java.lang.Comparable, java.io.Serializable

A unique identifier. Each subsequent construction of an identifier will have a value greater than the previous.

See Also:

Serialized Form

Field Summary

private static java.lang.String	middle
private static java.security.SecureRandom	seeder
private java.lang.String	value Holds the identifier value

Constructor Summary

Id()
Creates a new identifier.

Id(java.lang.String value)
Creates a new identifier from a string.

Method Summary

int	compareTo(java.lang.Object o)
boolean	equals(java.lang.Object o)
int	hashCode()
private static java.lang.String	hexValue(byte[] bytes) Converts the sepecified byte array into a hexdecimal String.
private static java.lang.String	hexValue(int i) Converts an integer to an eight-byte hexadecimal String.
java.lang.String	toString() Returns the identifier as a string.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

seeder

private static java.security.SecureRandom seeder

middle

private static java.lang.String middle

value

private java.lang.String value

Holds the identifier value

Constructor Detail

Id

public Id()

Creates a new identifier.

Id

public Id(java.lang.String value)

Creates a new identifier from a string.

Parameters:

value - A string representation of the desired identifier.

Method Detail

hexValue

private static java.lang.String hexValue(byte[] bytes)

Converts the sepecified byte array into a hexdecimal String.

hexValue

private static java.lang.String hexValue(int i)

Converts an integer to an eight-byte hexadecimal String.

compareTo

public int compareTo(java.lang.Object o)

Specified by:

compareTo in interface java.lang.Comparable

See Also:

Comparable.compareTo(Object)

equals

public boolean equals(java.lang.Object o)

See Also:

Object.equals(Object)

hashCode

public int hashCode()

See Also:

Object.hashCode()

toString

public java.lang.String toString()

Returns the identifier as a string. The contents of the string will be a hexadecimal value.

Returns:

A string representation of the identifier.