Example usage for org.springframework.data.util AnnotationDetectionMethodCallback AnnotationDetectionMethodCallback

Introduction

In this page you can find the example usage for org.springframework.data.util AnnotationDetectionMethodCallback AnnotationDetectionMethodCallback.

Prototype

public AnnotationDetectionMethodCallback(Class<A> annotationType) 

Source Link

Document

Creates a new AnnotationDetectionMethodCallback for the given annotation type.

Usage

From source file:org.springframework.data.rest.core.projection.ProxyProjectionFactory.java

/**
 * Inspects the given target type for methods with {@link Value} annotations and caches the result. Will create a
 * {@link SpelEvaluatingMethodInterceptor} if an annotation was found or return the delegate as is if not.
 * //from   w  w w  . ja  va 2s .  c o  m
 * @param source The backing source object.
 * @param projectionType the proxy target type.
 * @param delegate the root {@link MethodInterceptor}.
 * @return
 */
private MethodInterceptor getSpelMethodInterceptorIfNecessary(Object source, Class<?> projectionType,
        MethodInterceptor delegate) {

    if (!typeCache.containsKey(projectionType)) {

        AnnotationDetectionMethodCallback<Value> callback = new AnnotationDetectionMethodCallback<Value>(
                Value.class);
        ReflectionUtils.doWithMethods(projectionType, callback);

        typeCache.put(projectionType, callback.hasFoundAnnotation());
    }

    return typeCache.get(projectionType) ? new SpelEvaluatingMethodInterceptor(delegate, source, beanFactory)
            : delegate;
}

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