[Announce] First release of datatable-autocomplete wicketstuff module

[Michael O'Cleirigh <mi...@rivulet.ca>]

Hello,

I've just committed the first version of the datatable-autocomplete 
module into the wicketstuff-core project at wicketstuff.org. 

It is licensed under the Apache License version 2.

The main use for this project is to have quick AJAX lookups for large 
static datasets.   It includes a Patrica Trie 
(http://en.wikipedia.org/wiki/Radix_tree) which is the index and several 
wicket components and behaviors to tie a text field into an 
IDataProvider to display the results in a data table.

The datatable-autocomplete-examples module works by opening up the 
rt.jar file in the jvm classpath and then indexing all of the methods 
found.  You can search by the method name only but sort the results by 
method name, parameters or class name and see how many results there are 
in total after each character of the search.

There are two search modes:
1. Prefix matching which is what the Trie is meant for and is the 
fastest at.
2. Any string matching which is still fast at 100,000 elements but 
probably slows down faster than prefix matching as the dataset size or 
maximum indexed string length grows large.

If you run the example yourself you need to provide more heap space 
using -Xmx512M as the trade off for the quick search speed is to hold 
all the elements in memory.

I've deployed the example application onto my website here, with 74271 
indexed methods: 
http://rivulet.ca:8080/datatable-autocomplete-examples-1.4-SNAPSHOT/

I plan on having the datatable-autocomplete module available through 
maven but currently you have to check it out from subversion: 
https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/trunk/wicketstuff-core/datatable-autocomplete-parent

Issues can be created here:
http://wicketstuff.org/jira/browse/WSDTA

I hope this will be useful to others,

Regards,

Mike

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