State Machine Diagram
(draw State Machine Diagram)
The SIS (Student
Serving Teacher state is a composite state with sequential sub states Teacher Authentication, Selecting Attendance and Attendance. Teacher Authentication and Attendance are composite states by themselves which is shown with hidden decomposition indicator icon. Serving Teacher state has trigger less transition back to the Idle state after Attendance is finished. The state also has exit action logout which releases teacher’s session on leaving the state, no matter what caused the transition out of the state.
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