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ExtGWT Rich Internet Application Cookbook by Odili Charles Opute

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Client/server persistence setup

Persistence is a critical ingredient for realizing the value proposition in many applications. Fortunately the Java platform has tremendous support in terms of APIs and tooling necessary for doing persistence. Using the Java Persistence Architecture (JPA) and any of its several providers (notably Hibernate) one can easily annotate a server-side POJO, map it to a database table, and have a GWT application load, edit, or insert data to the database by transparent interaction with the POJO.

Whereas the client side of a persistent GWT app remains the same for the most part (just a bunch of regular RPC requests), a lot of configuration is usually done on the server side to correctly set it up the GWT way and this is ...

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