org.springframework.data.util

Class AnnotationDetectionMethodCallback<A extends Annotation>

java.lang.Object

org.springframework.data.util.AnnotationDetectionMethodCallback<A>

All Implemented Interfaces:

ReflectionUtils.MethodCallback

public class AnnotationDetectionMethodCallback<A extends Annotation>
extends Object
implements ReflectionUtils.MethodCallback

ReflectionUtils.MethodCallback to find annotations of a given type.

Author:

Oliver Gierke, Christoph Strobl

Constructor Summary

Constructors

Constructor and Description
AnnotationDetectionMethodCallback(Class<A> annotationType) Creates a new AnnotationDetectionMethodCallback for the given annotation type.
AnnotationDetectionMethodCallback(Class<A> annotationType, boolean enforceUniqueness) Creates a new AnnotationDetectionMethodCallback for the given annotation type.

Method Summary

Modifier and Type	Method and Description
void	doWith(Method method)
A	getAnnotation()
Method	getMethod()
Method	getRequiredMethod() Returns the method with the configured annotation.
boolean	hasFoundAnnotation() Returns whether an annotation was found.

Methods inherited from class java.lang.Object

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

Constructor Detail

AnnotationDetectionMethodCallback

public AnnotationDetectionMethodCallback(Class<A> annotationType)

Creates a new AnnotationDetectionMethodCallback for the given annotation type.

Parameters:

annotationType - must not be null.

AnnotationDetectionMethodCallback

public AnnotationDetectionMethodCallback(Class<A> annotationType,
                                         boolean enforceUniqueness)

Creates a new AnnotationDetectionMethodCallback for the given annotation type.

Parameters:

annotationType - must not be null.

enforceUniqueness - whether to fail if multiple methods with the annotation are found.

Method Detail

getMethod

@Nullable
public Method getMethod()

Returns:

the method

getRequiredMethod

public Method getRequiredMethod()

Returns the method with the configured annotation.

Returns:

Throws:

IllegalStateException - in case no method with the configured annotation was found.

getAnnotation

@Nullable
public A getAnnotation()

Returns:

the annotation

hasFoundAnnotation

public boolean hasFoundAnnotation()

Returns whether an annotation was found.

Returns:

doWith

public void doWith(Method method)
            throws IllegalArgumentException,
                   IllegalAccessException

Specified by:

doWith in interface ReflectionUtils.MethodCallback

Throws:

IllegalArgumentException

IllegalAccessException