javax.enterprise.util

Class AnnotationLiteral<T extends java.lang.annotation.Annotation>

java.lang.Object

javax.enterprise.util.AnnotationLiteral<T>

Type Parameters:

T - the annotation type

All Implemented Interfaces:

java.io.Serializable, java.lang.annotation.Annotation

public abstract class AnnotationLiteral<T extends java.lang.annotation.Annotation>
extends java.lang.Object
implements java.lang.annotation.Annotation, java.io.Serializable

Supports inline instantiation of annotation type instances.

An instance of an annotation type may be obtained by subclassing AnnotationLiteral.

 public abstract class PayByQualifier extends AnnotationLiteral<PayBy> implements PayBy {
 }
 

 PayBy paybyCheque = new PayByQualifier() {
     public PaymentMethod value() {
         return CHEQUE;
     }
 };
 

See Also:

Instance.select(Annotation...), Event.select(Annotation...), Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Class<T>	annotationType
private java.lang.Integer	cachedHashCode
private java.lang.reflect.Method[]	members
private static long	serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AnnotationLiteral()

Method Summary

Modifier and Type	Method and Description
java.lang.Class<? extends java.lang.annotation.Annotation>	annotationType()
private void	appendInBraces(java.lang.StringBuilder buf, java.lang.String s)
boolean	equals(java.lang.Object other)
private static java.lang.Class<?>	getAnnotationLiteralSubclass(java.lang.Class<?> clazz)
private java.lang.reflect.Method[]	getMembers()
private static java.lang.Object	getMemberValue(java.lang.reflect.Method member, java.lang.annotation.Annotation instance)
private static <T> java.lang.Class<T>	getTypeParameter(java.lang.Class<?> annotationLiteralSuperclass)
int	hashCode()
private static java.lang.Object	invoke(java.lang.reflect.Method method, java.lang.Object instance)
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

annotationType

private transient java.lang.Class<T extends java.lang.annotation.Annotation> annotationType

members

private transient java.lang.reflect.Method[] members

cachedHashCode

private transient java.lang.Integer cachedHashCode

Constructor Detail

AnnotationLiteral

protected AnnotationLiteral()

Method Detail

getMembers

private java.lang.reflect.Method[] getMembers()

getAnnotationLiteralSubclass

private static java.lang.Class<?> getAnnotationLiteralSubclass(java.lang.Class<?> clazz)

getTypeParameter

private static <T> java.lang.Class<T> getTypeParameter(java.lang.Class<?> annotationLiteralSuperclass)

annotationType

public java.lang.Class<? extends java.lang.annotation.Annotation> annotationType()

Specified by:

annotationType in interface java.lang.annotation.Annotation

toString

public java.lang.String toString()

Specified by:

toString in interface java.lang.annotation.Annotation

Overrides:

toString in class java.lang.Object

appendInBraces

private void appendInBraces(java.lang.StringBuilder buf,
                            java.lang.String s)

equals

public boolean equals(java.lang.Object other)

Specified by:

equals in interface java.lang.annotation.Annotation

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface java.lang.annotation.Annotation

Overrides:

hashCode in class java.lang.Object

getMemberValue

private static java.lang.Object getMemberValue(java.lang.reflect.Method member,
                                               java.lang.annotation.Annotation instance)

invoke

private static java.lang.Object invoke(java.lang.reflect.Method method,
                                       java.lang.Object instance)