Using CNI on inner classes

[Andrew Haley]

Andrew Haley wrote:
> Bryce McKinlay wrote:
>> On Thu, Aug 13, 2009 at 10:10 AM, Andrew Haley<aph@redhat.com> wrote:
>>
>>> If the method is declared private, it really will be private, even
>>> to cni.
>>>
>>> If you really need to breach privacy, you can do this in Test$Inner.h:
>>>
>>> class Test$Inner : public ::java::lang::Object
>>> {
>>>  friend class ::Test;
>>>
>>> but I can't really see the point of private methods in an inner class
>>> that you actually intend to be called from the enclosing class.
>> In Java the private methods are accessible to the enclosing class.
> 
> Ah yes, that rule, the one that requires all the "synthetic access$0"
> business.  I just did a web search to find out the reason for this
> rather odd rule, and I found "... inner classes can access all members
> of the declaring class, even private members. In fact, the inner class
> itself is said to be a member of the class; therefore, following the
> rules of object-oriented engineering, it should have access to all
> members of the class."
> http://onjava.com/pub/a/onjava/excerpt/HardcoreJava_chap06/index.html

Actually, that doesn't explain it: it only explains why inner classes
can access the private methods of enclosing classes, not vice versa.

Andrew.