Due to GAE limitations, fulltext search isn't a easy task.
you can see this code of a basic fulltext search for JDO here:
http://googleappengine.blogspot.com/2010/04/making-your-app-searchable-using-self.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+GoogleAppEngineBlog+(Google+App+Engine+Blog

and i made a migration of the code to objectify, you can find it here:
http://code.google.com/p/fulltext-search-in-objectify/

Hope it helps,
NM


On Thu, May 27, 2010 at 5:22 PM, king <[email protected]> wrote:

> I need your help.  I am building a prototype to index text documents
> for my school.  The students will upload their paper through browser
> and my gae apps is supposed to index them and make them searchable.
> Is lucene the best solution on GAE?  If so, could you show me a very
> simple (WITHOUT struts2, spring, hibernate, etc..) tutorial of how to
> use lucene with GAE?  The lucene example in googlecode is read-only
> and require off-line index building, which doesn't work with dynamic
> document upload. Your help is greatly greatly appreciated. Thanks in
> advance.
>
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-- 
Nicolás Meléndez
Java Software Developer

1) Google App Engine works:

1.a) http://www.clasificad.com.ar - Local free classifieds for  housing,
sale, services, local community, curses,jobs, and events - GAE/J + Wicket +
YUI

1.b) http://www.chessk.com - Massive multiplayer chess online - GAE/J +
Applets + Wicket

2) Linkedin: http://ar.linkedin.com/in/nicolasmelendez

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