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Simplified access rights evaluation
The model of access rights contains time schedules and a table of holidays. A block diagram
for access right evaluation can be seen in
Pic.6
.
Pic. 6: Simplified access rights evaluation
VALID
UNKNOWN
ID FOUND
ACCESS DRIVEN
BY TIME SCHED.
ACCESS ALWAYS
GRANTED
HOLIDAY?
ACCESS GRANTED
FOR HOLIDAY
AND ACTUAL TIME
ACCESS GRANTED
FOR ACTUAL
DAY & TIME
READING ID
YES
NO
YES
NO
NO
YES
INVALID
YES
NO
NO
YES
NO
YES
