Analysis Model Classes
Each controller is a single object—which may have many helper objects, if necessary—but all support a common interface. A key element in this mechanism is that the Web application server is configured to route all incoming requests through a single class: one object instance for each user session. This object is the RequestProcessor.
At the heart of this mechanism is the coordinator, an object that manages all the active controller instances for a particular user. When a user begins using the application, the default controller is pressed into service and manages all the user page resource requests. A different controller can be requested to take control of the user session, by specifying it as a parameter in a URL hyperlink. ...
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