net.ymate.platform.commons.util

Class UUIDUtils

java.lang.Object

net.ymate.platform.commons.util.UUIDUtils

public class UUIDUtils
extends Object

UUID生成器

Author:

刘镇 (suninformation@163.com) on 2010-10-20 下午02:02:40

Constructor Summary

Constructors

Constructor and Description
UUIDUtils()

Method Summary

Modifier and Type	Method and Description
static String	generateCharUUID(Object o)
static String	generateNumberUUID(Object o)
static String	generatePrefixHostUUID(Object o)
static String	generateRandomUUID()
static int	randomInt(int min, int max)
static long	randomLong(long min, long max)
static String	randomStr(int length, boolean isOnlyNum)
static String	UUID()

Methods inherited from class java.lang.Object

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

Constructor Detail

UUIDUtils

public UUIDUtils()

Method Detail

generateCharUUID

public static String generateCharUUID(Object o)

Parameters:

o - 预加密字符串

Returns:

返回唯一的16位字符串(基于32位当前时间和32位对象的identityHashCode和32位随机数)

generateNumberUUID

public static String generateNumberUUID(Object o)

generatePrefixHostUUID

public static String generatePrefixHostUUID(Object o)

generateRandomUUID

public static String generateRandomUUID()

Returns:

返回10个随机字符(基于当前时间和一个随机字符串)

UUID

public static String UUID()

Returns:

返回采用JDK自身UUID生成器生成主键并替换'-'字符

randomStr

public static String randomStr(int length,
                               boolean isOnlyNum)

Parameters:

length - 长度

isOnlyNum - 是否仅使用数字

Returns:

生成随机字符串

randomLong

public static long randomLong(long min,
                              long max)

randomInt

public static int randomInt(int min,
                            int max)