Metadata
BeanMetadata
, CollectionMetadata
, ComponentMetadata
, IdRefMetadata
, MapMetadata
, PropsMetadata
, ReferenceListMetadata
, ReferenceMetadata
, RefMetadata
, ServiceMetadata
, ServiceReferenceMetadata
, Target
, ValueMetadata
public interface NonNullMetadata extends Metadata
null
. All Metadata subtypes
extend this type except for NullMetadata
.
This Metadata type is used for keys in Maps because they cannot be
null
.