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package com.litongjava.annotation;


import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Indicates one or more component classes to import — typically
 * {@link AConfiguration @Configuration} classes.
 *
 * Provides functionality equivalent to the {@code } element in Spring XML.
 * Allows for importing {@code @Configuration} classes, {@link ImportSelector} and
 * {@link ImportBeanDefinitionRegistrar} implementations, as well as regular component
 * classes (as of 4.2; analogous to {@link AnnotationConfigApplicationContext#register}).
 *
 * 
{@code @Bean} definitions declared in imported {@code @Configuration} classes should be
 * accessed by using {@link com.litongjava.jfinal.aop.annotation.AAutowired.beans.factory.annotation.Autowired @Autowired}
 * injection. Either the bean itself can be autowired, or the configuration class instance
 * declaring the bean can be autowired. The latter approach allows for explicit, IDE-friendly
 * navigation between {@code @Configuration} class methods.
 *
 * 
May be declared at the class level or as a meta-annotation.
 *
 * If XML or other non-{@code @Configuration} bean definition resources need to be
 * imported, use the {@link ImportResource @ImportResource} annotation instead.
 *
 * @author Chris Beams
 * @author Juergen Hoeller
 * @since 3.0
 * @see AConfiguration
 * @see ImportSelector
 * @see ImportBeanDefinitionRegistrar
 * @see ImportResource
 */
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface AImport {

  /**
   * {@link AConfiguration @Configuration}, {@link ImportSelector},
   * {@link ImportBeanDefinitionRegistrar}, or regular component classes to import.
   */
  Class[] value();

}