Java JAXB类实例侦听器

指定基于类实例的JAXB侦听器（如在实体Bean中）的方法是什么，例如：afterUnmarshall、beforeMarshall但基于每个类实例（通过实现任何接口或注释）

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JAXB将为这些事件匹配以下方法签名：

   // This method is called immediately after the object is created and before the unmarshalling of this 
   // object begins. The callback provides an opportunity to initialize JavaBean properties prior to unmarshalling.
   void beforeUnmarshal(Unmarshaller, Object parent);

   //This method is called after all the properties (except IDREF) are unmarshalled for this object, 
   //but before this object is set to the parent object.
   void afterUnmarshal(Unmarshaller, Object parent);

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是否需要实现接口或仅指定这些方法签名？谢谢@Blaise，工作正常。不需要实现接口或注释。@userG-不需要实现任何接口，只需要方法签名即可。JAXB中没有与JPA事件注释等效的方法。是否也存在beforeMarshall（）和afterMarshall（）方法（我应用了这两个marshall侦听器，但不起作用）。

   // This method is called immediately after the object is created and before the unmarshalling of this 
   // object begins. The callback provides an opportunity to initialize JavaBean properties prior to unmarshalling.
   void beforeUnmarshal(Unmarshaller, Object parent);

   //This method is called after all the properties (except IDREF) are unmarshalled for this object, 
   //but before this object is set to the parent object.
   void afterUnmarshal(Unmarshaller, Object parent);