[Jakarta-tapestry Wiki] Update of "SuccessStories" by MarcusBrito

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  Andreas Andreou
  
+ == Graviter ==
+ 
+ Graviter is the assisted product search for [http://www.gravit.com.br Gravit], an online electronic shop in Brazil (think about this as a guidester knock-off). Gravit itself is hosted on a canned "e-commerce" site, but the smart, computer-inclined shop manager wanted to provide search capabilities that go far beyond what the e-commerce site currently offers.
+ 
+ So I've designed a "mirror" database, that gets data exported from the e-commerce site (thanks goodness they provide an automated XML data export), and adds what we need to provide smart, consumer-oriented searchs. Every product fits in a ''category'', and each category has many ''attributes''. The shop manager can use some administrative pages to edit product descriptions and attribute values; customers then use the search pages to find the products they want.
+ 
+ Graviter was done using PostgreSQL as the backend database, Hibernate 3 for object-relational mapping, Tapestry 4.0 Beta 3 for the presentation layer, and finally Spring 1.2 glueing everything together. While developing Graviter I've found and patched [http://issues.apache.org/jira/browse/TAPESTRY-450 a] [http://issues.apache.org/jira/browse/TAPESTRY-526 few] [http://issues.apache.org/jira/browse/TAPESTRY-531 bugs] in Tapestry, and contributed [http://issues.apache.org/jira/browse/TAPESTRY-435 some translations] as well. These bugs were easy to find and fix, thanks to the open source nature of Tapestry (and [http://www.jetbrains.com IDEA's] amazing code inspections).
+ 
+ -- MarcusBrito
+ 

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