org.apache.ratis.util

枚举 LifeCycle.State

java.lang.Object

java.lang.Enum<LifeCycle.State>

org.apache.ratis.util.LifeCycle.State

所有已实现的接口:

Serializable, Comparable<LifeCycle.State>

封闭类:

LifeCycle

public static enum LifeCycle.State
extends Enum<LifeCycle.State>

The states in the life cycle.

枚举常量概要

枚举常量

枚举常量和说明
CLOSED The machine is closed, a final state.
CLOSING The machine is closing, stopping providing service and releasing resources.
EXCEPTION The machine catches an internal exception so that it must be closed.
NEW The machine is newly created and holds zero resource.
PAUSED The machine is paused and does not provide any service.
PAUSING The machine is pausing and stopping providing service.
RUNNING The machine is running and providing service.
STARTING The machine is starting and does not yet provide any service.

方法概要

限定符和类型	方法和说明
boolean	isClosingOrClosed() Is this CLOSING or CLOSED?
boolean	isPausingOrPaused() Is this PAUSING or PAUSED?
boolean	isRunning() Is this RUNNING?
static boolean	isValid(LifeCycle.State from, LifeCycle.State to) Is the given transition valid?
static LifeCycle.State	valueOf(String name) 返回带有指定名称的该类型的枚举常量。
static LifeCycle.State[]	values() 按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。

从类继承的方法 java.lang.Enum

clone, compareTo, 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

NEW

public static final LifeCycle.State NEW

The machine is newly created and holds zero resource.

STARTING

public static final LifeCycle.State STARTING

The machine is starting and does not yet provide any service.

RUNNING

public static final LifeCycle.State RUNNING

The machine is running and providing service.

PAUSING

public static final LifeCycle.State PAUSING

The machine is pausing and stopping providing service.

PAUSED

public static final LifeCycle.State PAUSED

The machine is paused and does not provide any service.

EXCEPTION

public static final LifeCycle.State EXCEPTION

The machine catches an internal exception so that it must be closed.

CLOSING

public static final LifeCycle.State CLOSING

The machine is closing, stopping providing service and releasing resources.

CLOSED

public static final LifeCycle.State CLOSED

The machine is closed, a final state.

方法详细资料

values

public static LifeCycle.State[] values()

按照声明该枚举类型的常量的顺序, 返回 包含这些常量的数组。该方法可用于迭代 常量, 如下所示:

for (LifeCycle.State c : LifeCycle.State.values())
    System.out.println(c);

返回:

按照声明该枚举类型的常量的顺序返回的包含这些常量的数组

valueOf

public static LifeCycle.State valueOf(String name)

返回带有指定名称的该类型的枚举常量。 字符串必须与用于声明该类型的枚举常量的 标识符完全匹配。(不允许有多余 的空格字符。)

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 - 如果该枚举类型没有带有指定名称的常量

NullPointerException - 如果参数为空值

isRunning

public boolean isRunning()

Is this RUNNING?

isClosingOrClosed

public boolean isClosingOrClosed()

Is this CLOSING or CLOSED?

isPausingOrPaused

public boolean isPausingOrPaused()

Is this PAUSING or PAUSED?

isValid

public static boolean isValid(LifeCycle.State from,
                              LifeCycle.State to)

Is the given transition valid?