程序包 cn.vonce.sql.uitls

Enum Class SystemClock

java.lang.Object

java.lang.Enum<SystemClock>

cn.vonce.sql.uitls.SystemClock

所有已实现的接口:

Serializable, Comparable<SystemClock>, java.lang.constant.Constable

public enum SystemClock
extends Enum<SystemClock>

System Clock

利用ScheduledExecutorService实现高并发场景下System.curentTimeMillis()的性能问题的优化.

作者:

lry

嵌套类概要

从类继承的嵌套类/接口 java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

枚举常量概要

枚举常量

枚举常量	说明
INSTANCE

方法概要

修饰符和类型	方法	说明
String	currentTime()	The get string current time
long	currentTimeMillis()	The get current time milliseconds
void	destroy()	The destroy of executor service
void	initialize()	The initialize scheduled executor service
static SystemClock	valueOf(String name)	Returns the enum constant of this class with the specified name.
static SystemClock[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

从类继承的方法 java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

从类继承的方法 java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

枚举常量详细资料

INSTANCE

public static final SystemClock INSTANCE

方法详细资料

values

public static SystemClock[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

返回:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static SystemClock valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

参数:

name - 要返回的枚举常量的名称。

返回:

返回带有指定名称的枚举常量

抛出:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - 如果参数为空值

initialize

public void initialize()

The initialize scheduled executor service

currentTimeMillis

public long currentTimeMillis()

The get current time milliseconds

返回:

long time

currentTime

public String currentTime()

The get string current time

返回:

string time

destroy

public void destroy()

The destroy of executor service