程序包 cn.taketoday.core.annotation

类 TypeMappedAnnotations

java.lang.Object

cn.taketoday.core.annotation.TypeMappedAnnotations

所有已实现的接口:

MergedAnnotations, Iterable<MergedAnnotation<Annotation>>

final class TypeMappedAnnotations
extends Object
implements MergedAnnotations

MergedAnnotations implementation that searches for and adapts annotations and meta-annotations using AnnotationTypeMappings.

从以下版本开始:

4.0

作者:

Phillip Webb, Harry Yang

嵌套类概要

嵌套类

修饰符和类型	类	说明
private static class	TypeMappedAnnotations.Aggregate
private class	TypeMappedAnnotations.AggregatesCollector	AnnotationsProcessor that collects TypeMappedAnnotations.Aggregate instances.
private class	TypeMappedAnnotations.AggregatesSpliterator<A extends Annotation>	Spliterator used to consume merged annotations from the aggregates in distance fist order.
private static final class	TypeMappedAnnotations.IsPresent	AnnotationsProcessor used to detect if an annotation is directly present or meta-present.
private class	TypeMappedAnnotations.MergedAnnotationFinder<A extends Annotation>	AnnotationsProcessor that finds a single MergedAnnotation.

从接口继承的嵌套类/接口 cn.taketoday.core.annotation.MergedAnnotations

MergedAnnotations.Search, MergedAnnotations.SearchStrategy

字段概要

字段

修饰符和类型	字段	说明
private List<TypeMappedAnnotations.Aggregate>	aggregates
private final AnnotationFilter	annotationFilter
private final Annotation[]	annotations
private final AnnotatedElement	element
(专用程序包) static final MergedAnnotations	NONE	Shared instance that can be used when there are no annotations.
private final RepeatableContainers	repeatableContainers
private final Predicate<Class<?>>	searchEnclosingClass
private final MergedAnnotations.SearchStrategy	searchStrategy
private final Object	source

构造器概要

构造器

限定符	构造器	说明
private	TypeMappedAnnotations(Object source, Annotation[] annotations, RepeatableContainers repeatableContainers, AnnotationFilter annotationFilter)
private	TypeMappedAnnotations(AnnotatedElement element, MergedAnnotations.SearchStrategy searchStrategy, Predicate<Class<?>> searchEnclosingClass, RepeatableContainers repeatableContainers, AnnotationFilter annotationFilter)

方法概要

修饰符和类型	方法	说明
(专用程序包) static MergedAnnotations	from(Object source, Annotation[] annotations, RepeatableContainers repeatableContainers, AnnotationFilter filter)	Create a new MergedAnnotations instance from the specified annotations.
(专用程序包) static MergedAnnotations	from(AnnotatedElement element, MergedAnnotations.SearchStrategy searchStrategy, Predicate<Class<?>> searchEnclosingClass, RepeatableContainers repeatableContainers, AnnotationFilter annotationFilter)
<A extends Annotation> MergedAnnotation<A>	get(Class<A> annotationType)	Get the nearest matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.
<A extends Annotation> MergedAnnotation<A>	get(Class<A> annotationType, Predicate<? super MergedAnnotation<A>> predicate)	Get the nearest matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.
<A extends Annotation> MergedAnnotation<A>	get(Class<A> annotationType, Predicate<? super MergedAnnotation<A>> predicate, MergedAnnotationSelector<A> selector)	Get a matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.
<A extends Annotation> MergedAnnotation<A>	get(String annotationType)	Get the nearest matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.
<A extends Annotation> MergedAnnotation<A>	get(String annotationType, Predicate<? super MergedAnnotation<A>> predicate)	Get the nearest matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.
<A extends Annotation> MergedAnnotation<A>	get(String annotationType, Predicate<? super MergedAnnotation<A>> predicate, MergedAnnotationSelector<A> selector)	Get a matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.
private List<TypeMappedAnnotations.Aggregate>	getAggregates()
<A extends Annotation> AnnotationAttributes[]	getAttributes(Class<A> annotationType)
<A extends Annotation> boolean	isDirectlyPresent(Class<A> annotationType)	Determine if the specified annotation is directly present.
boolean	isDirectlyPresent(String annotationType)	Determine if the specified annotation is directly present.
private static boolean	isMappingForType(AnnotationTypeMapping mapping, AnnotationFilter filter, Object requiredType)
<A extends Annotation> boolean	isPresent(Class<A> annotationType)	Determine if the specified annotation is either directly present or meta-present.
boolean	isPresent(String annotationType)	Determine if the specified annotation is either directly present or meta-present.
Iterator<MergedAnnotation<Annotation>>	iterator()
private <C, R> R	scan(C criteria, AnnotationsProcessor<C,R> processor)
Spliterator<MergedAnnotation<Annotation>>	spliterator()
private <A extends Annotation> Spliterator<MergedAnnotation<A>>	spliterator(Object annotationType)
Stream<MergedAnnotation<Annotation>>	stream()	Stream all annotations and meta-annotations contained in this collection.
<A extends Annotation> Stream<MergedAnnotation<A>>	stream(Class<A> annotationType)	Stream all annotations and meta-annotations that match the specified type.
<A extends Annotation> Stream<MergedAnnotation<A>>	stream(String annotationType)	Stream all annotations and meta-annotations that match the specified type.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 java.lang.Iterable

forEach

字段详细资料

NONE

static final MergedAnnotations NONE

Shared instance that can be used when there are no annotations.

source

@Nullable
private final Object source

element

@Nullable
private final AnnotatedElement element

searchStrategy

@Nullable
private final MergedAnnotations.SearchStrategy searchStrategy

searchEnclosingClass

private final Predicate<Class<?>> searchEnclosingClass

annotations

@Nullable
private final Annotation[] annotations

repeatableContainers

private final RepeatableContainers repeatableContainers

annotationFilter

private final AnnotationFilter annotationFilter

aggregates

@Nullable
private volatile List<TypeMappedAnnotations.Aggregate> aggregates

构造器详细资料

TypeMappedAnnotations

private TypeMappedAnnotations(@Nullable
 AnnotatedElement element,
 @Nullable
 MergedAnnotations.SearchStrategy searchStrategy,
 Predicate<Class<?>> searchEnclosingClass,
 RepeatableContainers repeatableContainers,
 AnnotationFilter annotationFilter)

TypeMappedAnnotations

private TypeMappedAnnotations(@Nullable
 Object source,
 @Nullable
 Annotation[] annotations,
 RepeatableContainers repeatableContainers,
 AnnotationFilter annotationFilter)

方法详细资料

isPresent

public <A extends Annotation> boolean isPresent(Class<A> annotationType)

从接口复制的说明: MergedAnnotations

Determine if the specified annotation is either directly present or meta-present.

Equivalent to calling get(annotationType).isPresent().

指定者:

isPresent 在接口中 MergedAnnotations

参数:

annotationType - the annotation type to check

返回:

true if the annotation is present

isPresent

public boolean isPresent(String annotationType)

从接口复制的说明: MergedAnnotations

Determine if the specified annotation is either directly present or meta-present.

Equivalent to calling get(annotationType).isPresent().

指定者:

isPresent 在接口中 MergedAnnotations

参数:

annotationType - the fully qualified class name of the annotation type to check

返回:

true if the annotation is present

isDirectlyPresent

public <A extends Annotation> boolean isDirectlyPresent(Class<A> annotationType)

从接口复制的说明: MergedAnnotations

Determine if the specified annotation is directly present.

Equivalent to calling get(annotationType).isDirectlyPresent().

指定者:

isDirectlyPresent 在接口中 MergedAnnotations

参数:

annotationType - the annotation type to check

返回:

true if the annotation is directly present

isDirectlyPresent

public boolean isDirectlyPresent(String annotationType)

从接口复制的说明: MergedAnnotations

Determine if the specified annotation is directly present.

Equivalent to calling get(annotationType).isDirectlyPresent().

指定者:

isDirectlyPresent 在接口中 MergedAnnotations

参数:

annotationType - the fully qualified class name of the annotation type to check

返回:

true if the annotation is directly present

get

public <A extends Annotation> MergedAnnotation<A> get(Class<A> annotationType)

从接口复制的说明: MergedAnnotations

Get the nearest matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.

指定者:

get 在接口中 MergedAnnotations

参数:

annotationType - the annotation type to get

返回:

a MergedAnnotation instance

get

public <A extends Annotation> MergedAnnotation<A> get(Class<A> annotationType,
 @Nullable
 Predicate<? super MergedAnnotation<A>> predicate)

从接口复制的说明: MergedAnnotations

Get the nearest matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.

指定者:

get 在接口中 MergedAnnotations

参数:

annotationType - the annotation type to get

predicate - a predicate that must match, or null if only type matching is required

返回:

a MergedAnnotation instance

另请参阅:

• MergedAnnotationPredicates

get

public <A extends Annotation> MergedAnnotation<A> get(Class<A> annotationType,
 @Nullable
 Predicate<? super MergedAnnotation<A>> predicate,
 @Nullable
 MergedAnnotationSelector<A> selector)

从接口复制的说明: MergedAnnotations

Get a matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.

指定者:

get 在接口中 MergedAnnotations

参数:

annotationType - the annotation type to get

predicate - a predicate that must match, or null if only type matching is required

selector - a selector used to choose the most appropriate annotation within an aggregate, or null to select the nearest

返回:

a MergedAnnotation instance

另请参阅:

• MergedAnnotationPredicates
• MergedAnnotationSelectors

get

public <A extends Annotation> MergedAnnotation<A> get(String annotationType)

从接口复制的说明: MergedAnnotations

Get the nearest matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.

指定者:

get 在接口中 MergedAnnotations

参数:

annotationType - the fully qualified class name of the annotation type to get

返回:

a MergedAnnotation instance

get

public <A extends Annotation> MergedAnnotation<A> get(String annotationType,
 @Nullable
 Predicate<? super MergedAnnotation<A>> predicate)

从接口复制的说明: MergedAnnotations

Get the nearest matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.

指定者:

get 在接口中 MergedAnnotations

参数:

annotationType - the fully qualified class name of the annotation type to get

predicate - a predicate that must match, or null if only type matching is required

返回:

a MergedAnnotation instance

另请参阅:

• MergedAnnotationPredicates

get

public <A extends Annotation> MergedAnnotation<A> get(String annotationType,
 @Nullable
 Predicate<? super MergedAnnotation<A>> predicate,
 @Nullable
 MergedAnnotationSelector<A> selector)

从接口复制的说明: MergedAnnotations

Get a matching annotation or meta-annotation of the specified type, or MergedAnnotation.missing() if none is present.

指定者:

get 在接口中 MergedAnnotations

参数:

annotationType - the fully qualified class name of the annotation type to get

predicate - a predicate that must match, or null if only type matching is required

selector - a selector used to choose the most appropriate annotation within an aggregate, or null to select the nearest

返回:

a MergedAnnotation instance

另请参阅:

• MergedAnnotationPredicates
• MergedAnnotationSelectors

stream

public <A extends Annotation>
Stream<MergedAnnotation<A>> stream(Class<A> annotationType)

从接口复制的说明: MergedAnnotations

Stream all annotations and meta-annotations that match the specified type. The resulting stream follows the same ordering rules as MergedAnnotations.stream().

指定者:

stream 在接口中 MergedAnnotations

参数:

annotationType - the annotation type to match

返回:

a stream of matching annotations

stream

public <A extends Annotation>
Stream<MergedAnnotation<A>> stream(String annotationType)

从接口复制的说明: MergedAnnotations

Stream all annotations and meta-annotations that match the specified type. The resulting stream follows the same ordering rules as MergedAnnotations.stream().

指定者:

stream 在接口中 MergedAnnotations

参数:

annotationType - the fully qualified class name of the annotation type to match

返回:

a stream of matching annotations

stream

public Stream<MergedAnnotation<Annotation>> stream()

从接口复制的说明: MergedAnnotations

Stream all annotations and meta-annotations contained in this collection. The resulting stream is ordered first by the aggregate index and then by the annotation distance (with the closest annotations first). This ordering means that, for most use-cases, the most suitable annotations appear earliest in the stream.

指定者:

stream 在接口中 MergedAnnotations

返回:

a stream of annotations

getAttributes

public <A extends Annotation>
AnnotationAttributes[] getAttributes(Class<A> annotationType)

指定者:

getAttributes 在接口中 MergedAnnotations

iterator

public Iterator<MergedAnnotation<Annotation>> iterator()

指定者:

iterator 在接口中 Iterable<MergedAnnotation<Annotation>>

spliterator

public Spliterator<MergedAnnotation<Annotation>> spliterator()

指定者:

spliterator 在接口中 Iterable<MergedAnnotation<Annotation>>

spliterator

private <A extends Annotation>
Spliterator<MergedAnnotation<A>> spliterator(@Nullable
 Object annotationType)

getAggregates

private List<TypeMappedAnnotations.Aggregate> getAggregates()

scan

@Nullable
private <C,
R> R scan(C criteria,
 AnnotationsProcessor<C,R> processor)

from

static MergedAnnotations from(AnnotatedElement element,
 MergedAnnotations.SearchStrategy searchStrategy,
 Predicate<Class<?>> searchEnclosingClass,
 RepeatableContainers repeatableContainers,
 AnnotationFilter annotationFilter)

from

static MergedAnnotations from(@Nullable
 Object source,
 Annotation[] annotations,
 RepeatableContainers repeatableContainers,
 AnnotationFilter filter)

从接口复制的说明: MergedAnnotations

Create a new MergedAnnotations instance from the specified annotations.

参数:

source - the source for the annotations. This source is used only for information and logging. It does not need to actually contain the specified annotations, and it will not be searched.

annotations - the annotations to include

repeatableContainers - the repeatable containers that may be used by meta-annotations

filter - an annotation filter used to restrict the annotations considered

返回:

a MergedAnnotations instance containing the annotations

另请参阅:

• MergedAnnotations.search(SearchStrategy)

isMappingForType

private static boolean isMappingForType(AnnotationTypeMapping mapping,
 AnnotationFilter filter,
 @Nullable
 Object requiredType)