week 04 actor&usescase [compatibility mode]

7/30/2019 Week 04 Actor&UsesCase [Compatibility Mode]

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Ti liu dnh cho sinh vin 10/08/2000

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Actor & UseCase1

Xc nh Actor v Use Case

Actor & UseCase2

Mc tiu

Tm hiu cc khi nim Actor v Use Case

Tm hiu cch xc nh Actor v Use Case + v d

Tm hiu mi quan h trong Use Case Model


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Actor l g ?

Mt actor xc nh mt tp cc vai tr khi ngi sdng tng tc vi h thng. Ngi s dng c thl mt c nhn hay mt h thng khc

Actor (Tc nhn)

Actor & UseCase4

Gii thch Actor ?

c th hiu mt cch y h thng cnxy dng, bn cn phi bit h thng phc vcho ai, c ngha l ai s l ngi s dng hthng. Nhng loi ngi dng khc nhau sc biu din bi cc tc nhn trong m hnh.

Mt tc nhn l mt ci g trao i d liuvi h thng. Tc nhn c th l ngi sdng, mt thit b phn cng bn ngoi, hocc th l mt h thng khc.


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S khc bit gia Actor Instant Actor ?

S khc bit gia mt tc nhn v mt ngis dng c lp trong h thng l tc nhn biudin mt lp (mt tp) ngi s dng chkhng phi l mt c nhn c th no.

Mt vi ngi s dng c th ng cng mtvai tr i v h thng ch thit k mt tcnhn biu din cho cc ngi dng trn

Trong trng hp , mi ngi dng c thl mt th hin ca tc nhn (Instant Actor)

Actor & UseCase6

V d


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V d

V d: Chng ta c mt h thng qun l thvin, cho php ngi dng c th tra c thngtin ca cc quyn sch c trong th vin.

Hai sinh vin A v B s dng h thng tracu thng tin

chc mt tc nhn l "Ngi s dng",

A v B l hai th hin ca tc nhn ny.

Actor & UseCase8

V d


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V d (tt)

Tuy nhin, trong mt vi tnh hung, mt ngi ngmt vai tr no c m hnh ha thnh mt actortrong h thng. V d nh qun tr h thng.

Cng c trng hp cng mt ngi dng nhng lth hin ca nhiu tc nhn(trong trng hp mt cnhn c nhiu vai tr).

V d: ngi th th tn A c th c hai vai tr khcnhau trong h thng qun l th vin mt l tc nhn "ngi s dng" bnh thng hai l tc nhn "Ngi th th".

Actor & UseCase10

Lm th no xc nh Actor

Nhng g xung quanh h thng s tr thnh tcnhn ca h thng ?

Trc tin l nhng c nhn c lp s sdng h thng.Lm th no c th phn loih ? Thng thng th chng ta ngh ti mtvi c nhn no v m bo rng cc tcnhn ca chng ta thit k p ng hu ht ccnhu cu ca h.


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V d

Actor & UseCase12

Cc cu hi

1. Ai l ngi cung cp, s dng hoc ly thng tin t h thng ?

2. Ai s s dng cc tnh nng ca chng trnh ?

3. Ngi quan tm ti mt yu cu no ?

4. Ni no trong t chc(phng ban, cng ty) s s dng hthng ?

5. Ai l ngi duy tr v bo dng v qun l h thng ?

6. Nhng ti nguyn bn ngoi h thng l g ?

7. C nhng h thng no khc tng tc vi h thng nykhng?


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V d:

1.Ngi dng nhng chc nng chnh ca hthng:

2.Ngi dng nhng chc nng ph, nh lqun tr h thng.

3.Nhng thit b phn cng bn ngoi

4.Nhng h thng khc c tng tc trao ithng tin vi h thng.

5.Nu xy dng ng dng trn nn internet, cth c tc nhn v danh

Actor & UseCase14

Actor xc nh phm vi h thng

Tm kim tc nhn cng c ngha l chng taxc nh phm vi ca h thng, gip chng taxc nh mc ch v qui m ca h thng cnxy dng.

Chnhng ngi no c tng tc trc tip vih thng mi c xem l tc nhn


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V d:

V d: trong h thng ng k v, cn xt cctrng hp

Khch hng mua v thng qua nhn vin du lch(travel agent) khng l tc nhn ca h thng.

Khch hng c th ng k v trc tip thng quainternet tc nhn.

Actor & UseCase16

V d


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c t Actor

M t M t ngn gn v Actor

c im Nhng c im chnh ca Actor

Mi quan h Nhng mi quan h lin quan n Actor

Quan h vi cc UseCase

Quan h tng qut ho vi cc Actor khc

Lc Lc chc Actro v nhng thnh phn lin quan

Actor & UseCase18

Kim tra (by RUP)

Mi use case c t nht mt actor tng tc?

Cc use case c c lp vi nhau?

Tn ti cc use case c cc lung s kin vcc hnh vi tng t nhau khng?

Liu cc use case c tn duy nht, gi nh, vd hiu chng khng b nhm lm trong ccgiai on sau?

Cc khch hng v ngi dng c hiu tn vm t ca cc use case khng?


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DEMO in RUP

Xem demo

Actor & UseCase20

Use Case ?

Mt use case xc nh mt tp cc th hin usecase

Trong mi th hin l mt chui cc hnhng c h thng thc hin v em li mt

kt qu thy c c ngha i vi mt actorc th no .

Use-Case


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Gii thch

Th hin Use Case v Use Case:

H thng thc hin thao tc ng nhp ca nhnvin A

H thng thc hin thao tc ng nhp ca nhnvin B

ng nhp l mt Use Case

Actor & UseCase22

Lm th no xc nh Use Case ?

i vi mi Actor xc nh, nhng cng vicno lin quan n Actor ny?

H thng h tr nhng nghip v no trong thgii thc ?

Nhng thng tin no cn c qun l trong hthng ?

Nhng thng tin no cn c kt xut ra khih thng ?


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Cc bc thc hin

Xc nh qui trnh nghip v c h tr

Xc nh cc i tng thng tin cn qun l

Cc Use Case dng qun l, tra cu, kt xut lin quan ncc i tng thng tin ny

Cc nghip v, cc x l chnh

Cc bo co, kt xut

Cc nghip v lin quan n qun l, duy tr thng tin

h thng

Cc chc nng lin quan n cc yu cu c bit (anton, bo mt, thay i giao din, mu sc)

Actor & UseCase24

Phn tch qua v d:

H thng qun l gii v ch bng

H thng h tr thi trc nghim qua mng

H thng qun l siu th

H thng t phng khch sn M phng game show Chung Sc


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Use Case Model

Cc c t b sung

Bng ch gii

Use-Case Reports

...

Use-Case Model

Actors

Cc Use Case

Actor & UseCase26

V d

File doc minh ha v d (Course Registration)


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c t Use Case

Tm tt

Dng s kin

Cc yu cu c bit

Pre-Condition

Post-Conditions

im m

rng

Actor & UseCase28

Dng s kin


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Actor & UseCase29

Pre v Post Conditions

Actor & UseCase30

Relationship

Quan h gia cc Actor

Quan h gia Actor v Use Case

Quan h gia cc Use Case


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Actor & UseCase31

Actor Generalization (Tng qut ha)

Student

Full-TimeStudent

Part-TimeStudent

Actor & UseCase32

Actor & Use Case Relationship


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Use Case Relationship

- bao hm, s dng

Actor & UseCase34

V d


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Extend Relationship

- m rng

Actor & UseCase36

V d


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Actor & UseCase37

Kim tra (by RUP)

Xem trong RUP

Artifacts

Requirement Artifacts

Use Case

CheckPoints

week 04 actor&usescase [compatibility mode]

Documents