Serializable
, Comparable<ExistType>
public enum ExistType extends Enum<ExistType> implements Serializable
枚举常量 | 说明 |
---|---|
NONE |
not set
|
NX |
Don't update already existing elements
|
XX |
Only update elements that already exist
|
public static final ExistType NONE
public static final ExistType NX
public static final ExistType XX
public static ExistType[] values()
for (ExistType c : ExistType.values()) System.out.println(c);
public static ExistType valueOf(String name)
name
- 要返回的枚举常量的名称。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Copyright © 2018. All rights reserved.