OzoneHashMap

I am in need of 'OzoneHashMap' implementation for for
keeping a medium size collection of objects - that
itself are OzoneObjects.
 
But in ozone1.2, there is no implementation class for
OzoneHashMap interface. So I just tryed to implement
it based on the source 'HashMap.java' from the Sun.
 
My implementation starts like this..
 
public class OzoneHashMapImpl extends AbstractOzoneMap
implements OzoneHashMap {
    static final long serialVersionUID = 1L;   
    ....
    ...
}
 
Later I realized that, using a hashtable based
implementation for an Ozone collection class is not a
good idea because of the difference in inner working
of Ozone and Hashtable and usage of hashtable inside
an OzoneObjects causes scalability and performance
problems. So I left with two options - either use
NodeTreeMapImpl or FullTreeMapImpl. But I don't need
tree features, because I just need a collection class
that is fast in adding and retrieving elements. 
 
 
Is anybody having a better implementation of
'OzoneHashMap' interface ? 
 
If my choices are only NodeTreeMapImpl or
FullTreeMapImpl, which one is better suited for me if
I want to keep a  collection of OzoneObjects (size
vary 100 - 1000)


		
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