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From Stephen Colebourne <scolebou...@btopenworld.com>
Subject [collections] Generics & the collection subpackage
Date Sat, 28 Oct 2006 01:11:47 GMT
First analysis of the collection subpackage of [collections] for the 
generics branch.

- BoundedCollection should be deleted/renamed to Bounded
new Bounded interface would not implement Collection, allowing it to be 
implemented by Maps as well as Collections

- UnmodifiableBoundedCollection should be deleted
Just use the isFull/maxSize methods on CollectionUtils or similar

- AbstractSerializedCollectionDecorator should be deleted
Serialization can now be rolled up into the base decorator
This simplifies a lot of code
It wasn't done originally due to back-compat

- TransformedCollection will need some thinking about to generify, as a 
transformer can change object types

- Consider adding a Decorator interface
This would provide a single method decorated() that obtains the 
collection that has been decorated.
Whilst useful, this is also potentially dangerous exposure of state.

- Consider adding a Container interface
This would be a base super interface for Collection and Map (but 
obviously we can't hack the JDK.

- Consider whether UnmodifiableCollection should be deleted as it 
duplicates the JDK.

Stephen

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