org.apache.flink.table.expressions

枚举 TimePointUnit

java.lang.Object

java.lang.Enum<TimePointUnit>

org.apache.flink.table.expressions.TimePointUnit

所有已实现的接口:

Serializable, Comparable<TimePointUnit>, TableSymbol

@PublicEvolving
public enum TimePointUnit
extends Enum<TimePointUnit>
implements TableSymbol

Units for working with points in time.

枚举常量概要

枚举常量

枚举常量和说明
DAY
HOUR
MICROSECOND
MILLISECOND
MINUTE
MONTH
QUARTER
SECOND
WEEK
YEAR

方法概要

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

YEAR

public static final TimePointUnit YEAR

MONTH

public static final TimePointUnit MONTH

DAY

public static final TimePointUnit DAY

HOUR

public static final TimePointUnit HOUR

MINUTE

public static final TimePointUnit MINUTE

SECOND

public static final TimePointUnit SECOND

QUARTER

public static final TimePointUnit QUARTER

WEEK

public static final TimePointUnit WEEK

MILLISECOND

public static final TimePointUnit MILLISECOND

MICROSECOND

public static final TimePointUnit MICROSECOND

方法详细资料

values

public static TimePointUnit[] 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 (TimePointUnit c : TimePointUnit.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 TimePointUnit 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