Package net.bytebuddy.description.annotation

Class AnnotationDescription.AnnotationInvocationHandler<T extends Annotation>

java.lang.Object

net.bytebuddy.description.annotation.AnnotationDescription.AnnotationInvocationHandler<T>

Type Parameters:

T - The type of the handled annotation.

All Implemented Interfaces:

InvocationHandler

Enclosing interface:

AnnotationDescription

public static class AnnotationDescription.AnnotationInvocationHandler<T extends Annotation>
extends Object
implements InvocationHandler

An InvocationHandler for implementing annotations.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	ANNOTATION_TYPE	The name of the Annotation.annotationType() method.
private final Class<? extends Annotation>	annotationType	The loaded annotation type.
private static final String	EQUALS	The name of the Object.equals(Object) method.
private static final String	HASH_CODE	The name of the Object.hashCode() method.
private static final Object[]	NO_ARGUMENT	An empty array that can be used to indicate no arguments to avoid an allocation on a reflective call.
private static final String	TO_STRING	The name of the Object.toString() method.
private final LinkedHashMap<Method,AnnotationValue.Loaded<?>>	values	A sorted list of values of this annotation.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AnnotationInvocationHandler(Class<T> annotationType, LinkedHashMap<Method,AnnotationValue.Loaded<?>> values)	Creates a new invocation handler.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
private boolean	equalsRepresentation(Object self, Object other)	Checks if another instance is equal to this instance.
int	hashCode()
private int	hashCodeRepresentation()	Returns the hash code of the represented annotation.
Object	invoke(Object proxy, Method method, Object[] argument)
static <S extends Annotation> S	of(ClassLoader classLoader, Class<S> annotationType, Map<String,? extends AnnotationValue<?,?>> values)	Creates a proxy instance for the supplied annotation type and values.
protected String	toStringRepresentation()	Returns the string representation of the represented annotation.

Methods inherited from class java.lang.Object

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

Field Details

HASH_CODE

private static final String HASH_CODE

The name of the Object.hashCode() method.

See Also:

• Constant Field Values

EQUALS

private static final String EQUALS

The name of the Object.equals(Object) method.

See Also:

• Constant Field Values

TO_STRING

private static final String TO_STRING

The name of the Object.toString() method.

See Also:

• Constant Field Values

ANNOTATION_TYPE

private static final String ANNOTATION_TYPE

The name of the Annotation.annotationType() method.

See Also:

• Constant Field Values

NO_ARGUMENT

private static final Object[] NO_ARGUMENT

An empty array that can be used to indicate no arguments to avoid an allocation on a reflective call.

annotationType

private final Class<? extends Annotation> annotationType

The loaded annotation type.

values

private final LinkedHashMap<Method,AnnotationValue.Loaded<?>> values

A sorted list of values of this annotation.

Constructor Details

AnnotationInvocationHandler

protected AnnotationInvocationHandler(Class<T> annotationType,
 LinkedHashMap<Method,AnnotationValue.Loaded<?>> values)

Creates a new invocation handler.

Parameters:

annotationType - The loaded annotation type.

values - A sorted list of values of this annotation.

Method Details

of

public static <S extends Annotation> S of(@MaybeNull
 ClassLoader classLoader,
 Class<S> annotationType,
 Map<String,? extends AnnotationValue<?,?>> values)

Creates a proxy instance for the supplied annotation type and values.

Type Parameters:

S - The type of the handled annotation.

Parameters:

classLoader - The class loader that should be used for loading the annotation's values.

annotationType - The annotation's type.

values - The values that the annotation contains.

Returns:

A proxy for the annotation type and values.

invoke

public Object invoke(Object proxy,
 Method method,
 @MaybeNull
 Object[] argument)

Specified by:

invoke in interface InvocationHandler

toStringRepresentation

protected String toStringRepresentation()

Returns the string representation of the represented annotation.

Returns:

The string representation of the represented annotation.

hashCodeRepresentation

private int hashCodeRepresentation()

Returns the hash code of the represented annotation.

Returns:

The hash code of the represented annotation.

equalsRepresentation

private boolean equalsRepresentation(Object self,
 Object other)

Checks if another instance is equal to this instance.

Parameters:

self - The annotation proxy instance.

other - The instance to be examined for equality to the represented instance.

Returns:

true if the given instance is equal to the represented instance.

hashCode

@Enhance("hashCode")
public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(@MaybeNull
 Object other)

Overrides:

equals in class Object