Re: Basic Understanding of the role Request Factory & RPC rpc play

Generally you can do whatever you would like to do on server side. The only thing to watch out is that RequestFactory needs a single EntityManager spanning the entire request. Hibernate calls this "Open Session In View" pattern (google it). GWT-RPC does not enforce this but its probably a good idea to do the same anyways.

Other than that its totally irrelevant to GWT if you use one connection, multiple connections, multiple connection pools to different databases and then select the right one for a given customer, etc. Its also irrelevant if you choose JPA/Hibernate, Mybatis, pure JDBC/SQL. Every implementation detail is up to you and your needs and GWT-RPC and RequestFactory can both be used on all cases.

-- J.

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