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From (Oliver Heger)
Subject Re: [configuration]Release 1 and hierarchical configurations
Date Sat, 03 Apr 2004 14:40:35 GMT
Jörg Schaible wrote:

>Oliver Heger wrote:

>>I was thinking a bit about those hierarchical aspects and how to provide
>>access to them through the Configuration interface. My idea was to
>>introduce an interface like ConfigurationNode that describes a node in a
>>configuration tree. It could look similar to the
>>HierarchicalProperties.Node class. Then a method getRoot() could be
>>added to Configuration that returns the root node of the configuration
>>tree thus providing a tree like view on a configuration. (By the way,
>>there is already a class HierarchicalConfigurationConverter, which
>>provides means to convert a flat configuration into a hierarchical one.)
>Just popped in my mind: What's the big difference between a Subset and a
>ConfigurationNode then ? IMHO the Subset *is* the Node for
>HierarchicalConfigurations ... 
Yes, I thought of this, too. Well, a subset could also be a collection 
of  nodes, but these can be put together as children of a new root node. 
The original implementation of the subset() method in 
HierarchicalConfiguration did exactly that.


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