com.gridsystems.innergrid.kernel
Class UUIDUtils

java.lang.Object
  com.gridsystems.innergrid.kernel.UUIDUtils

public final class UUIDUtils
extends java.lang.Object

UUID Generation utility class.

Author:

Rodrigo Ruiz

Method Summary

static java.lang.String	generateTimeBasedUUID() Generates a time based UUID.
static java.lang.String	generateTimeBasedUUID(byte[] macAddress) Generates a time based UUID.
static byte[]	getMacAddress() Gets the MAC address of this machine as a byte array.

Methods inherited from class java.lang.Object

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

Method Detail

generateTimeBasedUUID

public static java.lang.String generateTimeBasedUUID()

Generates a time based UUID.

Returns:

An UUID

generateTimeBasedUUID

public static java.lang.String generateTimeBasedUUID(byte[] macAddress)

Generates a time based UUID.

Time-based generation generates UUID using spatial and temporal uniqueness. Spatial uniqueness is derived from ethernet address (MAC, 802.1); temporal from system clock.

Parameters:

macAddress - The MAC address

Returns:

An UUID for the specified ethernet address

getMacAddress

public static byte[] getMacAddress()

Gets the MAC address of this machine as a byte array.

Returns:

a 6-byte array containing the ethernet address of this machine