cn.hutool.core.annotation.scanner

Class EmptyAnnotationScanner

java.lang.Object

cn.hutool.core.annotation.scanner.EmptyAnnotationScanner

All Implemented Interfaces:

AnnotationScanner

public class EmptyAnnotationScanner
extends Object
implements AnnotationScanner

默认不扫描任何元素的扫描器

Author:

huangchengxing

Field Summary

Fields inherited from interface cn.hutool.core.annotation.scanner.AnnotationScanner

DIRECTLY, DIRECTLY_AND_META_ANNOTATION, INTERFACE, INTERFACE_AND_META_ANNOTATION, NOTHING, SUPERCLASS, SUPERCLASS_AND_META_ANNOTATION, TYPE_HIERARCHY, TYPE_HIERARCHY_AND_META_ANNOTATION

Constructor Summary

Constructors

Constructor and Description
EmptyAnnotationScanner()

Method Summary

Modifier and Type	Method and Description
List<Annotation>	getAnnotations(AnnotatedElement annotatedEle) 获取注解元素上的全部注解。
void	scan(BiConsumer<Integer,Annotation> consumer, AnnotatedElement annotatedEle, Predicate<Annotation> filter) 扫描注解元素的层级结构（若存在），然后对获取到的注解和注解对应的层级索引进行处理。
boolean	support(AnnotatedElement annotatedEle) 判断是否支持扫描该注解元素

Methods inherited from class java.lang.Object

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

Methods inherited from interface cn.hutool.core.annotation.scanner.AnnotationScanner

getAnnotationsIfSupport, scanByAllSupported, scanByAnySupported, scanIfSupport

Constructor Detail

EmptyAnnotationScanner

public EmptyAnnotationScanner()

Method Detail

support

public boolean support(AnnotatedElement annotatedEle)

Description copied from interface: AnnotationScanner

判断是否支持扫描该注解元素

Specified by:

support in interface AnnotationScanner

Parameters:

annotatedEle - AnnotatedElement，可以是Class、Method、Field、Constructor、ReflectPermission

Returns:

是否支持扫描该注解元素

getAnnotations

public List<Annotation> getAnnotations(AnnotatedElement annotatedEle)

Description copied from interface: AnnotationScanner

获取注解元素上的全部注解。调用该方法前，需要确保调用AnnotationScanner.support(AnnotatedElement)返回为true

Specified by:

getAnnotations in interface AnnotationScanner

Parameters:

annotatedEle - AnnotatedElement，可以是Class、Method、Field、Constructor、ReflectPermission

Returns:

注解

scan

public void scan(BiConsumer<Integer,Annotation> consumer,
                 AnnotatedElement annotatedEle,
                 Predicate<Annotation> filter)

Description copied from interface: AnnotationScanner

扫描注解元素的层级结构（若存在），然后对获取到的注解和注解对应的层级索引进行处理。 调用该方法前，需要确保调用AnnotationScanner.support(AnnotatedElement)返回为true

Specified by:

scan in interface AnnotationScanner

Parameters:

consumer - 对获取到的注解和注解对应的层级索引的处理

annotatedEle - AnnotatedElement，可以是Class、Method、Field、Constructor、ReflectPermission

filter - 注解过滤器，无法通过过滤器的注解不会被处理。该参数允许为空。