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From "Otis Gospodnetic (JIRA)" <j...@apache.org>
Subject [jira] Commented: (COLLECTIONS-225) Contribution: A Patricia Tree
Date Tue, 13 Jan 2009 22:00:59 GMT

    [ https://issues.apache.org/jira/browse/COLLECTIONS-225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663491#action_12663491
] 

Otis Gospodnetic commented on COLLECTIONS-225:
----------------------------------------------

Checking in on the status of this nice contrib...
Sam, I think looks good.  I'd add ASL to each class and I'd change the packaging to org.apache.....

Is this you can do, so we can get this in?


> Contribution: A Patricia Tree
> -----------------------------
>
>                 Key: COLLECTIONS-225
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-225
>             Project: Commons Collections
>          Issue Type: New Feature
>          Components: Map
>            Reporter: Sam Berlin
>         Attachments: patricia.zip
>
>
> We (Roger Kapsi & I) would like to contribute a Patricia tree.  The tree implements
the Map & SortedMap interface, meaning it can be used as a replacement for any arbitrary
map.  It also implementes a new 'Trie' interface, allowing other implementations or other
varieties of Tries to be added.  The tree is currently written for generics, but that can
easily be removed.  We have used the tree as the structure backing a route table in a new
Kademlia-based DHT, as the structure backing an IP filter (storing IP addresses & IP ranges,
allowing retrieval/searching in nanoseconds), and have tested it with Strings by storing all
of 'hamlet' and comparing it against a TreeSet.  The tree is also ready to implement NavigableMap
whenever Java 1.6 becomes available.
> I will attach the files in an update to this issue

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