Re: inner-inner class referencing outer class's inherited method
- From: Murat Tasan <murat.tasan@xxxxxxxx>
- Date: Thu, 28 Apr 2005 19:10:39 -0400
well - i figured out a better way around the problem. thanks anyhow.
> i have a class called NonRepeatedDefaultMatrix
>
> NonRepeatedDefaultMatrix has an inner class KeySet<E>
>
> KeySet<E> inherits from HashSet<E>
>
> KeySet<E> has an inner class KeySetIterator<E>
>
> so, the inner-outer class tree looks like:
>
> NonRepeatedDefaultMatrix
> KeySet<E> inherits HashSet<E>
> KeySetIterator<E>
>
> note that these are inner classes, not static nested class
>
> now the problem:
>
> in a method in KeySetIterator i have a line where i am attempting to get a
> reference to the iterator returned by HashSet's iterator method.
>
> thus, if the line was written in a method in KeySet i would simply write:
>
> Iterator<E> theIterator = super.iterator();
>
> which works fine.
>
> the equivalent line i write in a method in KeySetIterator is:
>
> Iterator<E> theIterator = NonRepeatedDefaultMatrix.KeySet.super.iterator();
>
> the error I get during compilation:
>
> sourcepath/NonRepeatedDefaultMatrix.java:364: incompatible types
> found : java.util.Iterator<E>
> required: java.util.Iterator<E>
> this.theIterator = NonRepeatedDefaultMatrix.KeySet.super.iterator();
>
> obviously this error message is misleading as the types are most certainly
> compatible!
>
> i want the line to get the iterator returned by the HashSet's iterator()
> implementation, not the KeySet's iterator() implementation.
> this is necessary because the line in question is part of the
> KeySetIterator's constructor, which is called by KeySet.iterator() - which
> would obviously result in calling cycle.
>
> anyone out there still managing to read this far down understand my
> problem?
>
> better yet... anyone know how i should do this?
>
> thanks much!
>
> murat
.
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