org.springframework.core.type

Interface AnnotationMetadata

All Superinterfaces:

AnnotatedTypeMetadata, ClassMetadata

All Known Implementing Classes:

AnnotationMetadataReadingVisitor, StandardAnnotationMetadata

public interface AnnotationMetadata
extends ClassMetadata, AnnotatedTypeMetadata

Interface that defines abstract access to the annotations of a specific class, in a form that does not require that class to be loaded yet.

Since:

2.5

Author:

Juergen Hoeller, Mark Fisher, Phillip Webb, Sam Brannen

See Also:

StandardAnnotationMetadata, MetadataReader.getAnnotationMetadata(), AnnotatedTypeMetadata

Method Summary

Modifier and Type	Method and Description
Set<MethodMetadata>	getAnnotatedMethods(String annotationName) Retrieve the method metadata for all methods that are annotated (or meta-annotated) with the given annotation type.
default Set<String>	getAnnotationTypes() Get the fully qualified class names of all annotation types that are present on the underlying class.
default Set<String>	getMetaAnnotationTypes(String annotationName) Get the fully qualified class names of all meta-annotation types that are present on the given annotation type on the underlying class.
default boolean	hasAnnotatedMethods(String annotationName) Determine whether the underlying class has any methods that are annotated (or meta-annotated) with the given annotation type.
default boolean	hasAnnotation(String annotationName) Determine whether an annotation of the given type is present on the underlying class.
default boolean	hasMetaAnnotation(String metaAnnotationName) Determine whether the underlying class has an annotation that is itself annotated with the meta-annotation of the given type.
static AnnotationMetadata	introspect(Class<?> type) Factory method to create a new AnnotationMetadata instance for the given class using standard reflection.

Methods inherited from interface org.springframework.core.type.ClassMetadata

getClassName, getEnclosingClassName, getInterfaceNames, getMemberClassNames, getSuperClassName, hasEnclosingClass, hasSuperClass, isAbstract, isAnnotation, isConcrete, isFinal, isIndependent, isInterface

Methods inherited from interface org.springframework.core.type.AnnotatedTypeMetadata

getAllAnnotationAttributes, getAllAnnotationAttributes, getAnnotationAttributes, getAnnotationAttributes, getAnnotations, isAnnotated

Method Detail

getAnnotationTypes

default Set<String> getAnnotationTypes()

Get the fully qualified class names of all annotation types that are present on the underlying class.

Returns:

the annotation type names

getMetaAnnotationTypes

default Set<String> getMetaAnnotationTypes(String annotationName)

Get the fully qualified class names of all meta-annotation types that are present on the given annotation type on the underlying class.

Parameters:

annotationName - the fully qualified class name of the meta-annotation type to look for

Returns:

the meta-annotation type names, or an empty set if none found

hasAnnotation

default boolean hasAnnotation(String annotationName)

Determine whether an annotation of the given type is present on the underlying class.

Parameters:

annotationName - the fully qualified class name of the annotation type to look for

Returns:

true if a matching annotation is present

hasMetaAnnotation

default boolean hasMetaAnnotation(String metaAnnotationName)

Determine whether the underlying class has an annotation that is itself annotated with the meta-annotation of the given type.

Parameters:

metaAnnotationName - the fully qualified class name of the meta-annotation type to look for

Returns:

true if a matching meta-annotation is present

hasAnnotatedMethods

default boolean hasAnnotatedMethods(String annotationName)

Determine whether the underlying class has any methods that are annotated (or meta-annotated) with the given annotation type.

Parameters:

annotationName - the fully qualified class name of the annotation type to look for

getAnnotatedMethods

Set<MethodMetadata> getAnnotatedMethods(String annotationName)

Retrieve the method metadata for all methods that are annotated (or meta-annotated) with the given annotation type.

For any returned method, AnnotatedTypeMetadata.isAnnotated(java.lang.String) will return true for the given annotation type.

Parameters:

annotationName - the fully qualified class name of the annotation type to look for

Returns:

a set of MethodMetadata for methods that have a matching annotation. The return value will be an empty set if no methods match the annotation type.

introspect

static AnnotationMetadata introspect(Class<?> type)

Factory method to create a new AnnotationMetadata instance for the given class using standard reflection.

Parameters:

type - the class to introspect

Returns:

a new AnnotationMetadata instance

Since:

5.2