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I am making a .NET desktop application (WinForms+Local PostgreSQL Server) for managing sales in a small store.

I wish to integrate Lucene search facilities into the 'Product Search' module of my software. Are there any good patterns for integrating such Information Retrieval Libraries into existing applications?

Note : The application is still in development and I can always modify the architecture to integrate Lucene.

Note : I know how to use Lucene and have created a simple demo app to test it's capabilities. I am only looking for patterns that integrate such search functionality into Desktop Applications.

Note : Also the main requirement of the integration is to enable the user to quickly search for products/brands/etc and provide a google autocomplete'esque system in the UI.

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The main question that comes around is how you manage your index. It's up to you whether you update it periodically or realtime - and this comes down to performance - how much stuff you're putting in there and how often.

As for "patterns" - hmm, add the library, make calls to create and update your index, and then write the UI to search it :)

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