org.h2.expression

枚举 BinaryOperation.OpType

java.lang.Object

java.lang.Enum<BinaryOperation.OpType>

org.h2.expression.BinaryOperation.OpType

所有已实现的接口:

Serializable, Comparable<BinaryOperation.OpType>

封闭类:

BinaryOperation

public static enum BinaryOperation.OpType
extends Enum<BinaryOperation.OpType>

枚举常量概要

枚举常量

枚举常量和说明
DIVIDE This operation represents a division as in 4 / 2.
MINUS This operation represents a subtraction as in 2 - 1.
MULTIPLY This operation represents a multiplication as in 2 * 3.
PLUS This operation represents an addition as in 1 + 2.

方法概要

限定符和类型	方法和说明
static BinaryOperation.OpType	valueOf(String name) 返回带有指定名称的该类型的枚举常量。
static BinaryOperation.OpType[]	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

PLUS

public static final BinaryOperation.OpType PLUS

This operation represents an addition as in 1 + 2.

MINUS

public static final BinaryOperation.OpType MINUS

This operation represents a subtraction as in 2 - 1.

MULTIPLY

public static final BinaryOperation.OpType MULTIPLY

This operation represents a multiplication as in 2 * 3.

DIVIDE

public static final BinaryOperation.OpType DIVIDE

This operation represents a division as in 4 / 2.

方法详细资料

values

public static BinaryOperation.OpType[] 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 (BinaryOperation.OpType c : BinaryOperation.OpType.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 BinaryOperation.OpType 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