Example CALENDARIUMDB Access for “Insert Appointment”

: B_Calen-

darium

c : Calen-

darium

«persistent»

User :

Class

«persistent»

Authorization :

Class

«persistent»

ca : Calendar

«persistent»

u : User

login(user,pwd)

login(user,pwd)

checkAuthoriz (user, pa, auth)

forall pa

in partic

checkCollision (bD, eD)

checkCollision (UD, eD)

ok

authorized

storeAppt

(partic, appt)

con

forall

pa in partic

con :

Connection

authorizationData

executeQuery(sqlString)

u

select(pa)

con

con

new

appt

login(user,pwd)

select(“User“,pa,2)

dbmgr :

DBManager

u

new()

Alternative 3

Alternative 1

login(...)

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