public enum MetadataContext extends Enum<MetadataContext> implements ContextKey
public static final MetadataContext named
Namedpublic static final MetadataContext exists
true, check for existence,
false, check for non-existencepublic static MetadataContext[] values()
for (MetadataContext c : MetadataContext.values()) System.out.println(c);
public static MetadataContext 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 © 2026. All rights reserved.