Drools rules

Lately I have been looking at drools as an answer to dealing with simple rules that shouldn't involve an engineer.

So far I am impressed. Guvnor seems a little shakey, so I am sticking with the simplest features and a design that doesn't rely on it. But it aids in learning the language.

GWT and browser security

I used a html element for the submit button because it wasn't uploading the file otherwise.

Google app engine GWT limitation

Currently owned relationships are a bit fuzzy when it comes to lists. If you have an owned list and an unowned value the data wont persist. If both are owned then it will warn you.

Switching it all to unowned ihings for anything complicated is probably best.