AnnotationHelper (Oracle Fusion Middleware Java API Reference for Oracle TopLink)

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Oracle Fusion Middleware Java API Reference for Oracle TopLink
11g Release 1 (11.1.1)
E28847-01

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org.eclipse.persistence.jaxb.javamodel.reflection
Class AnnotationHelper

java.lang.Object org.eclipse.persistence.jaxb.javamodel.reflection.AnnotationHelper

public class AnnotationHelper

extends java.lang.Object

Purpose:Provide a class which is responsible for returning Annotations from AnnotatedElements. This class can be extended in the case that the annotation data is being provided from an external source.

Author:: mmacivor

Constructor Summary
`AnnotationHelper()`

Method Summary
`java.lang.annotation.Annotation`	`getAnnotation(java.lang.reflect.AnnotatedElement elem, java.lang.Class annotationClass)` Get an annotation of type annotationClass if it's present on the AnnotatedElement elem.
`java.lang.annotation.Annotation[]`	`getAnnotations(java.lang.reflect.AnnotatedElement elem)` Get all annotations that exist on the AnnotatedElement elem
`boolean`	`isAnnotationPresent(java.lang.reflect.AnnotatedElement elem, java.lang.Class annotationClass)` Return true if the annotation annotationClass exists on the annotatedElement elem.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

AnnotationHelper

public AnnotationHelper()

Method Detail

getAnnotation

public java.lang.annotation.Annotation getAnnotation(java.lang.reflect.AnnotatedElement elem,
                                                     java.lang.Class annotationClass)

Get an annotation of type annotationClass if it's present on the AnnotatedElement elem.

getAnnotations

public java.lang.annotation.Annotation[] getAnnotations(java.lang.reflect.AnnotatedElement elem)

Get all annotations that exist on the AnnotatedElement elem

isAnnotationPresent

public boolean isAnnotationPresent(java.lang.reflect.AnnotatedElement elem,
                                   java.lang.Class annotationClass)

Return true if the annotation annotationClass exists on the annotatedElement elem.