程序包 cn.myafx.cache

Enum Class OpWhen

java.lang.Object

java.lang.Enum<OpWhen>

cn.myafx.cache.OpWhen

所有已实现的接口:

Serializable, Comparable<OpWhen>, Constable

public enum OpWhen
extends Enum<OpWhen>

操作类型

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
Always	The operation should occur whether or not there is an existing value
Exists	The operation should only occur when there is an existing value
NotExists	The operation should only occur when there is not an existing value

方法概要

修饰符和类型	方法	说明
static OpWhen	valueOf(String name)	Returns the enum constant of this class with the specified name.
static OpWhen[]	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

Always

public static final OpWhen Always

The operation should occur whether or not there is an existing value

Exists

public static final OpWhen Exists

The operation should only occur when there is an existing value

NotExists

public static final OpWhen NotExists

The operation should only occur when there is not an existing value

方法详细资料

values

public static OpWhen[] 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 OpWhen 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