程序包 cn.taketoday.expression

Enum Class Operation

java.lang.Object

java.lang.Enum<Operation>

cn.taketoday.expression.Operation

所有已实现的接口:

Serializable, Comparable<Operation>, Constable

public enum Operation
extends Enum<Operation>

Supported operations that an OperatorOverloader can implement for any pair of operands.

从以下版本开始:

4.0

作者:

Andy Clement

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
ADD	Add operation.
DIVIDE	Divide operation.
MODULUS	Modulus operation.
MULTIPLY	Multiply operation.
POWER	Power operation.
SUBTRACT	Subtract operation.

方法概要

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

ADD

public static final Operation ADD

Add operation.

SUBTRACT

public static final Operation SUBTRACT

Subtract operation.

DIVIDE

public static final Operation DIVIDE

Divide operation.

MULTIPLY

public static final Operation MULTIPLY

Multiply operation.

MODULUS

public static final Operation MODULUS

Modulus operation.

POWER

public static final Operation POWER

Power operation.

方法详细资料

values

public static Operation[] 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 Operation 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