e4s.util
Class E4UniqueIdentifier

java.lang.Object
  e4s.util.E4UniqueIdentifier

public class E4UniqueIdentifier
extends java.lang.Object

Supports a "unique" Identifier by an system wide incremented long value.

Since:

JDK 1.4

Constructor Summary

E4UniqueIdentifier()

Method Summary

static java.lang.String	_getSVNVersionString() Get version info string from subversion.
static long	get() Get a "unique" ID, which is an incremented number, starting at 1 and less or equal Long.MAX_VALUE.
static java.lang.String	get(char ch) Get a "unique" ID, which is a combination of a character specified and an incremented number, starting at 1 and less or equal Long.MAX_VALUE.
static java.lang.String	get(java.lang.String str) Get a "unique" ID, which is a combination of a character specified and an incremented number, starting at 1 and less or equal Long.MAX_VALUE.

Methods inherited from class java.lang.Object

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

Constructor Detail

E4UniqueIdentifier

public E4UniqueIdentifier()

Method Detail

get

public static java.lang.String get(char ch)

Get a "unique" ID, which is a combination of a character specified and an incremented number, starting at 1 and less or equal Long.MAX_VALUE. When maximum is reached, startes again at 1.

Parameters:

ch - a character for more identification

See Also:

get(String)

get

public static long get()

Get a "unique" ID, which is an incremented number, starting at 1 and less or equal Long.MAX_VALUE. When maximum is reached, startes again at 1.

Returns:

a value between 1 and Long.MAX_VALUE

get

public static java.lang.String get(java.lang.String str)

Get a "unique" ID, which is a combination of a character specified and an incremented number, starting at 1 and less or equal Long.MAX_VALUE. When maximum is reached, startes again at 1.

Parameters:

str - a String for more identification

See Also:

get(char)

_getSVNVersionString

public static java.lang.String _getSVNVersionString()

Get version info string from subversion.

Returns:

the version info string.

See Also:

E4Util.getRevisionCodeFromSVN(Class)