could anyone please explain in short to me as a Spring newbie how the Spring Web Flow is related to the whole Spring framework? Is it tightly integrated into the core of a Spring application or is it more like a plugin or thin layer above the application? And is it possible and reasonable to integrate the flow concept later?
Marco Ehrentreich wrote:Is it tightly integrated into the core of a Spring application or is it more like a plugin or thin layer above the application? And is it possible and reasonable to integrate the flow concept later?
Spring Web Flow is a module of Spring Portfolio, I haven't looked at source code yet, so I don't know exactly what Spring Web Flow uses from Spring Core.
If your application is workflow application, Spring Web Flow will tightly integrate to your implementation of course (because "core" of your application is workflow), but if your application is an application that uses workflow, the Spring Work Flow can be viewed as infrastructure/framework layer.
You can use Spring Web Flow whenever you want or need it, but I recommend to choose framework before start implement to prevent rework.
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I guess, I'll simply have to read the documentation to find out what parts of Spring are absolutely required to be able to use Web Flow. And of course you're right, it wouldn't make much sense to construct a whole application based on flows and try to integrate such a framework afterwards :-)