继承类注解 [英] Inheriting class annotations

问题描述

有没有一种方法，使类从超类继承的注解？

例如

  @ApplicationException（回滚=真）
公共抽象类AbstractBeanActionException扩展异常{
    / *方法主体是简单地调用超（）* /
}公共类OrderBeanException扩展AbstractBeanActionException {
    / *没有这个类必须注明呢？ * /
}
 

解决方案

类注释不能由子类继承。

你可以做的是力的子类，使用在编译时的批注：

<一个href=\"http://today.java.net/pub/a/today/2006/06/29/validate-java-ee-annotations-with-annotation-processors.html#pluggable-annotation-processing-api\" rel=\"nofollow\">http://today.java.net/pub/a/today/2006/06/29/validate-java-ee-annotations-with-annotation-processors.html#pluggable-annotation-processing-api

Is there a way to make classes inherit annotations from a superclass ?

e.g.

@ApplicationException(rollback=true)
public abstract class AbstractBeanActionException extends Exception {
    /* method body is simply calls to super() */
}

public class OrderBeanException extends AbstractBeanActionException {
    /* does this class have to be annotated as well ? */
}

解决方案

Class annotations can not be inherited by subclasses.

What you can do is "force" the subclass to use the annotation at compile time:

http://today.java.net/pub/a/today/2006/06/29/validate-java-ee-annotations-with-annotation-processors.html#pluggable-annotation-processing-api

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