![]() | SUMit Roster Software > Nut's > October 2004 > T-model | Nederlands · Search... |
T-model |
Monday, 4th October 2004 |
User interface layer |
Logic in Business objects |
Persistency in Data layer |
R, Request RoutingWhat should be done, which action? Is the user yet to log in or can the request be routed to an action? |
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A, ActionAre the request parameters valid? The action addresses the object layer to verify data, get data or store new data. |
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D, DisplayWhich result is presented to the user's screen? This is the true domain of the GUI specialist, in concert with the graphical designer about the exact layout. |
L, LogicThe business objects execute business logic, at request of the action. |
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P, PersistencyThe data layer stores data in a database, file or interface with another system. |
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