352VisualAge for JavaVersion3: Persistence Builderwith GUIs, Servlets,and JSPs
Implement the Controller Servlet
It is time to implementthe controller servlet (ATMServletController class)
withtheprocessingand flow logic. The controllerservlet is akindof
connectorwith visual compositionand business logic.
ControllerServletTotalDesign
Figure 218 shows the totaldesignofthe controller servlet inthe Visual
Composition Editor.
Figure 218.ControllerServletTotalDesign
The dashed lines highlightthefive servlets astheyare invoked in sequence
by the controller servletusing the events ofthe ATM application controller.
Chapter18. A
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