Enum Class NullsOrder

java.lang.Object

java.lang.Enum<NullsOrder>

org.huiche.ast.statement.clause.NullsOrder

All Implemented Interfaces:

Serializable, Comparable<NullsOrder>, Constable, Segment

public enum NullsOrder
extends Enum<NullsOrder>
implements Segment

null 排序(靠前|靠后)

Author:

Maning

Nested Class Summary

Nested classes/interfaces inherited from class Enum

Enum.EnumDesc<E>

Nested classes/interfaces inherited from interface Segment

Segment.Default

Enum Constant Summary

Enum Constants

Enum Constant	Description
FIRST	靠前
LAST	靠后

Method Summary

Modifier and Type	Method	Description
String	pseudoSql()	伪SQL,用于直接toString时显示
boolean	staticable()	是否静态化的,即不必转译
static NullsOrder	valueOf(String name)	Returns the enum constant of this class with the specified name.
static NullsOrder[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

FIRST

public static final NullsOrder FIRST

靠前

LAST

public static final NullsOrder LAST

靠后

Method Details

values

public static NullsOrder[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static NullsOrder 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.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

pseudoSql

public String pseudoSql()

Description copied from interface: Segment

伪SQL,用于直接toString时显示

Specified by:

pseudoSql in interface Segment

Returns:

伪SQL

staticable

public boolean staticable()

Description copied from interface: Segment

是否静态化的,即不必转译

Specified by:

staticable in interface Segment

Returns:

是否静态化