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From Emmanuel Lecharny <>
Subject Immutable objects, what's best ?
Date Sat, 13 Mar 2010 16:02:21 GMT

we have many objects that we want to be immutable. What's the best solution
to produce  those immutable objets ?

- For DN, we would like to use valueOf(), and the DN() constructor, but no
- For Entry, a constructor is not enough, as we may have to inject new
attributes. We may need to have two different classes, one immutable, one
mutable. The immutable class could be associated with a factory, or we can
use a constructor with the list of attributes as a parameter.
- For attributes, we have the same problem : we may have more than one

DO any of you guys have a strong opinion ?

Emmanuel L├ęcharny

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