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Multi-Module Applications [message #730685]

Wed, 28 September 2011 21:25

Ivan Motsch

Messages: 154
Registered: March 2010

Senior Member

When creating large business applications, eclipse scout helps managing event multi-application-modules.
For example you want to create a workflow application that consists of a core with some outlines, pages and forms.
This core is reduced to the minimum needed to operate. All additional functionality is added using additional modules.

So - for example - for each business unit you add another scout application (module) with additional client/shared/server plug-ins.
The only difference between core and extension is that the core has a IDesktop managing the glue of outlines/pages/forms.
The extension modules do not have a complete IDesktop but rather a IDesktopExtension that allows for contributing outlines, pages, actions, forms to the core.
Also it allows for handling the exec* desktop messages.
That way programming extensions aor core is more or less the same process. Also in the eclipse scout sdk. The sdk takes care of showing all the plug-ins and modules in
the correct structrue. You will have perfect overview even for projects with 30 modules and over 100 plug-ins.

The graphics shows the class structure of the desktop as well as some modules. On the bottom it shows the plug-ins making up each module.

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