org.springframework.data.util

Class AnnotationDetectionFieldCallback

java.lang.Object

org.springframework.data.util.AnnotationDetectionFieldCallback

All Implemented Interfaces:

org.springframework.util.ReflectionUtils.FieldCallback

public class AnnotationDetectionFieldCallback
extends Object
implements org.springframework.util.ReflectionUtils.FieldCallback

A ReflectionUtils.FieldCallback that will inspect each field for a given annotation. This field's type can then be accessed afterwards.

Author:

Oliver Gierke, Christoph Strobl

Constructor Summary

Constructors

Constructor and Description
AnnotationDetectionFieldCallback(Class<? extends Annotation> annotationType) Creates a new AnnotationDetectionFieldCallback scanning for an annotation of the given type.

Method Summary

Modifier and Type	Method and Description
void	doWith(Field field)
Class<?>	getType() Returns the type of the field.
<T> T	getValue(Object source) Retrieves the value of the field by reflection.

Methods inherited from class java.lang.Object

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

Constructor Detail

AnnotationDetectionFieldCallback

public AnnotationDetectionFieldCallback(Class<? extends Annotation> annotationType)

Creates a new AnnotationDetectionFieldCallback scanning for an annotation of the given type.

Parameters:

annotationType - must not be null.

Method Detail

doWith

public void doWith(Field field)
            throws IllegalArgumentException,
                   IllegalAccessException

Specified by:

doWith in interface org.springframework.util.ReflectionUtils.FieldCallback

Throws:

IllegalArgumentException

IllegalAccessException

getType

public Class<?> getType()

Returns the type of the field.

Returns:

getValue

public <T> T getValue(Object source)

Retrieves the value of the field by reflection.

Parameters:

source - must not be null.

Returns: