uml chuong 6 nguyenlythietkelop

8/9/2019 UML Chuong 6 Nguyenlythietkelop

1/22

UML/NN 1

Chng 6

Nguyn l thit k,Phng php xc nh lp

UML/NN 2

Ni dung

6.1 Cc tin trong thit k 6.2 Hng tip cn trong xc nh lp 6.3 Xc nh mi quan h gia cc lp 6.4 Xc nh thuc tnh v hnh vi ca lp

UML/NN 3

6.1. Cc tin trong Thit k

Tin 1: tin c lp Duy tr tnh c lp ca cc thnh phn thit k

Tinh c lp ca cc thnhphn khng cao

Tnh c lp ca cc thnhphn cao

UML/NN 4

Coupling (Lin kt)

A B

C

D

Coupling mnh

Coupling yu


2/22

UML/NN 5

Hai loi coupling

Hai loi coupling: tng tc v ktha Coupling tng tc: chia thnh 5 loi

Data coupling Stamp coupling Control coupling Common coupling Content coupling

Coupling ktha

UML/NN 6

Data coupling

Lin kt gia cc thnh phn l d liunguyn thoc phc hp

V d:

Class_A

+ Operation_A () : Integer

Class_B

+ Operation_B (Integer Para_1) : Integer

integerOperation_A(){int x,y;Class_B cB;

.y = cB.Operation_B(x);}

UML/NN 7

Stamp coupling

Stamp coupling: lin kt gia hai thnhphn l mt phn ca cu trc hoc tonb cu trc

V d:integer Operation_A()

{

int x,y;

Class_B cB; Class_C c;

.

y = cB.Operation_B(c);

}

UML/NN 8

Control coupling

Control coupling: mt thnh phn gicc yu tiu khin ti mt thnh phnkhc th hai thnh phn ny c controlcoupling.

+ A(){int x = 1;

sub(x, dk)}

+ sub(x, dk){

}

dk=1 =2


3/22

UML/NN 9

Common v Content coupling

Common couping: hai thnh phn cngtham chiu n mt cu trc ton cc(hoc bin ton cc) th c lin h gi lCommon coupling.

Content coupling: nu mt thnh phntham kho trc tip n ni dung scamt thnh phn khc th c gi lcontent coupling.

UML/NN 10

Mc lin kt

Rt thpThpTrung bnh

Cao

Rt cao

Data coupling

Stamp coupling

Control coupling

Common coupling

Content coupling

Xp hng ph thucTn coupling

UML/NN 11

Coupling ktha

L coupling gia lp tng qut v lpchuyn bit trong cu trc phn cp: Linkt gia lp tng qut v lp chuyn bitcng cht cng tt: -> khng ktha nhng thuc tnh khng

lin quan hoc khng cn thit Nu mt lp chuyn bit chng ln hu ht

cc method hoc khng sdng n t lptng qut coupling ktha yu thay itip cn tng qut ho v chuyn bit ho

UML/NN 12

Tin 2: tin thng tin

Gim ti a thng tin cc i tng thit k Tch thnh nhiu i tng n gin hn Tch thnh cu trc phn cp ktha

i tng phc tp Nhiu i tngn gin


4/22

UML/NN 13

V d

LpHon()

Ho n

InHon()

Ho n

My In

LpHon()

InHon()

UML/NN 14

Ni dung


UML/NN 15

6.2 Cc cch tip cn xc nh lp

1. Tip cn theo thc thnghip v2. Tip cn theo cm danh t3. Tip cn theo phn loi4. Tip cn theo phn tch hot ng use case

UML/NN 16

1. Tip cn theo thc thnghip v

i vi cc thc thsvt: kim chngxem c nhu cu qun l thng tin v thcthny trong h thng khng? Nu c, xc nh mt lp trong s phn tch

biu din cho thc thny Xc nh tn lp: tn ca svt Thuc tnh: bsung cc thuc tnh m ty

thng tin m h thng c nhu cu qun l vitng


5/22

UML/NN 17

V d:

Hnh l

NVL

Hng ho

Hnh l

NVL

Hng ho

UML/NN 18

Tip cn theo thc thnghip v

i vi thc ththng tin: Nu thc thm t thng tin v mt hot ng giao

dch h thng th chuyn thnh mt lp trong mhnh phn tch

Nu thc th l mt dng thng tin tng hp cthtch thnh nhiu lp mi hoc bsung thng tincho cc lp ang tn ti

Ho on

Ho n

Th th vin

Th th vin

UML/NN 19

V d

HOHONNS H: Ngy:..//Khch hng: ..a ch:..Ngi lp:..

20003000

ngi

1001000

Slng

CiKg

VT

H1H7

Tnhng

001004

Ms

Tng tr gi:

Ho n

Khch hng

Hng

Chi tit H

UML/NN 20

Worker

Nhn vin bn hng Nhn vin qun l Th kho

Nhn vin

c gi

c gi

Nh CC

NhCCp


6/22

UML/NN 21

V d: Ha n

Khch hng NgI qun l

H s khch hng Ho n Th khch hng thn thit

0..n 1

1

0..n 0..n 0..n

1

1

Khch hng

Ho n

Th KHTT0..11

1

1..n

UML/NN 22

2. Tip cn theo cm danh t

xut bi Rebecca Wirfs-Brock, BrianWilkerson, v Lauren Wiener

tng: xc nh cc lp thng qua vic ctrong cc vn bn m t use case hoccc m tyu cutm kim v trch lccc cm danh t

Class khng

thch hp(irrelevant)

Class m(fuzzy class)

Class thch hp(relevant class)

UML/NN 23

Tip cn theo cm danh t(noun phrase)

M t use case,yu cu

M tM t use case,use case,yu cyu cuu

Xc nh cc danht, cm danh t

XXc c nh cnh cc danhc danhtt, c, cm danh tm danh t

Danh t, cmdanh t

Danh tDanh t, c, cmmdanh tdanh t

Loi b cc danht m t class giLoLoi bi b ccc danhc danhtt m tm t class giclass gi

Danh t, cmdanh t ng vin

Danh tDanh t, c, cmmdanh tdanh t ng vinng vin

ng nht ccclass trng nghang nhng nht ct ccc

class trclass trng nghng nghaa

Danh sch ccclass

Danh sDanh sch cch cccclassclass

Loi cc danh tthuc tnh

LoLoi ci cc danh tc danh tthuthuc tc tnhnh

Loi cc classkhng c mc tiu

LoLoi ci cc classc classkhng ckhng c mmc tiuc tiu

UML/NN 24

ATM

Bao thBn k sNgn quTinPIN

PIN khng hp lThng ipMt khuM PIN

Mu tinBc

H thngGiao dchLch sgiao dch

Ti khonSdti khonStinTin trnh ng nhpThATMMy ATM

Ngn hng

Khch hng ngn hng

ThTin mtKhch hng

Ti khon khch hngVND


7/22

UML/NN 25

Loi b cc lp khng thch hp

Bao th

Bn k s

Ngn quTinPIN


Mu tinBc

H thngGiao dchLch sgiao dch


Ngn hng

Khch hng ngn hng

ThTin mtKhch hng

Ti khon khch hngVND

UML/NN 26

ng nht cc ng vin trng lp

Khch hng, Khch hng ngn hng = Khch hngTi khon, Ti khon khch hng = Ti khonPIN, M PIN = PINTin, Ngn qu = Ngn quTh ATM, Th = Th ATM

UML/NN 27

Cc lp cn li



Mu tinBcH thngGiao dchLch sgiao dch


Ngn hng

Khch hng ngn hng

ThTin mtKhch hng

Ti khon khch hngVND

UML/NN 28

Danh t, cm danh tc thl thuc tnh

Xc nh danh t, cm danh tc thl thuc tnh: Chc sdng nh l gi tr Khng c nhiu hn mt c trng ring, hoc ch

m t mt c trng ca i tng khc V d: h thng ATM (tip tc phn tch)

Stin: mt gi tr, khng phi mt lp Sdti khon: thuc tnh ca lp Ti khon PIN khng hp l: mt gi tr, khng phi mt lp Mt khu: mt thuc tnh (c thca lp Khch hng) Lch sgiao dch: mt thuc tnh (c thca lp Giao

dch) PIN: mt thuc tnh (c thca lp Khch hng)


8/22

UML/NN 29

Danh sch danh t, cm danh tcn li



Mu tinBcH thngGiao dch

Lch sgiao dch


Ngn hng

Khch hng ngnhng

ThTin mtKhch hng

Ti khon khchhng

VNDUML/NN 30

Loi b cc ng vin

Loi b cc ng vin khng mc tiu hoc khngthuc phm vi h thng: Thng ip H thng Mu tin Ngn qu VND Tin mt Tin trnh ng nhp



Mu tinBcH thngGiao dch

Lch sgiao dch


Ngn hng

Khch hng ngnhng

ThTin mtKhch hng

Ti khon khchhng

VND

UML/NN 31

ATM: cc lp

My ATM: cung cp mt giao din ti ngn hng ThATM: cung cp mt khch hng vi mt kho

ti mt ti khon Khch hng: mt khch hng l mt c nhn s

dng my ATM, c mt ti khon. Ngn hng: cc khch hng ph thuc vo ngn

hng. N l mt ni tp trung cc ti khon v x lcc giao dch ti khon.

Ti khon: n m hnh ho mt ti khon cakhch hng v cung cp cc dch v v ti khoncho khch hng

Giao dch: m t mt giao tc ca khch hng khisdng thATM. Mt giao tc c lu trvi thigian, ngy, loi, stin, v sd

UML/NN 32

3. Tip cn theo phn loi

Tip cn theo phn loi: phn loi cc lp cah thng da trn cc mu chung. Lp khi nim (concept): Mt khi nim l mt

quan nim hoc shiu bit ring bit v thgii.Lp khi nim bao gm cc nguyn l c dng tchc hoc lu trcc hot ng v cc traoi v mt qun l. V d: cc lp khi nim c thl: phng php, hiu nng,

m hnh, mn hc

Lp skin (event): Lp skin l cc im thi gian cn c lu tr. Cc s

vic xy ra ti mt thi im, hoc mt bc trong mt dytun tcc bc

V d: ng k, ho n, n hng, phiu nhp,


9/22

UML/NN 33

Tip cn theo phn loi

Lp tchc (organisation): tp hp con ngi,ti nguyn, phng tin, hoc nhng nhm xc nhchc nng ngi dng V d: n v, b phn, phng ban, chc danh,

Lp con ngi (people): lp con ngi thhincc vai tr khc nhau ca ngi dng trong victng tc vi h thng. Nhng i tng nythng l ngi dng h thng hoc nhng ngikhng sdng h thng nhng thng tin v hc lu trbi h thng V d: Sinh vin, khch hng, gio vin, nhn vin,

UML/NN 34

Tip cn theo phn loi

Lp v tr (place): Cc v tr vt l m h thng cnm t thng tin v n. V d: to nh, kho, vn phng, chi nhnh, i l,

Lp svt hu hnh v thit b: cc i tngvt l hoc cc nhm ca i tng hu hnh m cthcm nhn trc quan v cc thit b m h thngtng tc. V d: xe hi, my bay, l cc svt hu hnh; thit b

cm ng nhit l mt lp thit b.

UML/NN 35

V d: h thng ATM

Cc lp khi nim:

Cc lp skin:

Cc lp tchc:

TiKhon

GiaoDch

NgnHng

UML/NN 36

H thng ATM

Cc lp con ngi:

Cc lp svt hu hnh v thit b

KhchHng

MyATM ThATM


10/22

UML/NN 37

4. Tip cn theo phn tch hot ng usecase

Tc nhn

H thngi tng no ca hthng s trc tip tngtc vi tc nhn?

:i tngi tng no tip theoc chuyn giao trchnhim ?

:i tng

Kt thc m t kch bn ca use case cho phpxc nh tt c cc lp lin tham gia

UML/NN 38

V d: h thng thvin

c gi Th th

Yu cu mn schKim tra th

:H sc gi

Kim tra iu kin[Khng tho]T chi

Cp nht h sc gi

Sch gi c gi

:Sch

Cp nht li trng thi sch

T chi thkhng hp l

Use case Mn sch

UML/NN 39

V d 1

Phn tch use case Gii quyt PIN khng hpl. Cc hot ng khch hng c ththc hinvi h thng: a vo thATM Nhp m PIN Rt thATM

UML/NN 40

V d 3

Phn tch usecase Rt tin

: KhchHngNgnHng : MyATM : TiKhon

a vo th ATM

Yu cu PIN

Nhp m PIN Kim tra m PINM PIN hp l

Yu cu s tin

Nhp s tin

X l giao tc rt

Giao tc thnh cngPhn phi tin mt

Yu cu ly th

Ly thYu cu tip tc

Kt thc

In ho n


11/22

UML/NN 41

Ni dung


UML/NN 42

Xc nh mi kt hp association

Hng dn xc nh mi kt hp: Mt sph thuc gia hai hay nhiu lp c th

thit lp thnh mi kt hp. Mi kt hp thngtng ng vi mt ng thoc cm gii tnhl thnh phn ca, lm vic cho, chatrong,

Mt tham chiu tmt lp n mt lp khc lmt mi kt hp.

UML/NN 43

Cc mi kt hp

Mi kt hp v tr (location): lin ktti, thnh phn ca, lm vic ti, .

V d:

Nhn Vin Chi NhnhLm vic ti

Bui Hc Phng HcHc ti

UML/NN 44

Cc mi kt hp

Mi kt hp s hu: ca, c, thuc,

Cu Th i BngL thnh phn ca

Phng To NhCha trong


12/22

UML/NN 45

Cc mi kt hp

Mi kt hp truyn thng, lin lc(communication):t ti, trao i vi, gicho, tip nhn t,

n Hng Nh CCpt ti

Bn Yu Cu Phng BanGi ti

UML/NN 46

Cc mi kt hp

Mi kt hp phn thn: l mi quan hc thit lp gia mt i tng ca mtlp vi mt i tng khc cng thuc lp.

Nhn Vin Thnh Phn

Qun l Cha trong

UML/NN 47

V d: h thng ATM

MyATM

NgnHng

KhchHng

TiKhon GiaoDch

1

C 0..n1..n

1

Ca

Mi kt hp shuMi kt hp shu

Thuc

Thuc v

UML/NN 48

Loi b cc mi kt hp khng cn thit

Mi kt hp a phn: l mi kt hp giaba lp tr ln, mi kt hp ny phc tptrong cch thhin Nu c th, pht biuli n dng mi kt hp nh phn


13/22

UML/NN 49

Loi b cc mi kt hp khng cn thit

Mi kt hp trc tip dtha: l cc mikt hp c nh ngha trong ngnghaca nhng mi kt hp khc (cn gi l mikt hp suy din hoc bc cu)

Phiu t hng

Nh cung cp Phiu giao hng

t ti Lin quan

T

0..*1

0..*

1 0..1

1

UML/NN 50

Xc nh bn scho mi kt hp: (min, max)

1; 0..1; 1..*; 0..*; a..* (a l hng)

Bn Yu Cu Phng BanGi ti0..*

1

Bn s

UML/NN 51

V d

Cu Th i BngL thnh phn ca

Phng To NhCha trong

2..*

1

1..*

1..*

n Hng Nh CCpt ti 1

0..*

UML/NN 52

H thng ATM

MyATM

NgnHng

KhchHng

TiKhon GiaoDch

1

C 0..n1..n

1

Ca

ThucThuc v

0..*

1

1..*

1

1

1..*

1

1..*


14/22

UML/NN 53

Lp kt hp (Association class)

Ho n Sn Phm0..*

1..*

Chi Tit Ho nsLngnGi

Sinh Vin Kho Hc

Kt QuimTB

xpLoi

0..*

1..*

UML/NN 54

Lp kt hp

Ho n Sn Phm0..*

1..*

Chi Tit HonsLngnGi

Ho n Sn PhmChi Tit Ho n

sLngnGi

1

1..*

0..*

1

UML/NN 55

Xc nh mi quan h

Nng cp mi kt hp: Xc nh mi kt hp tng qut chuyn bit

(generalization): Thhin quan h ktha giacc lp v mt cu trc phn cp xc nhnhng dng ktha ny Tip cn top-down:

Tmt lp chng ta tm kim cm danh tcha tn lp vtnh t(hoc danh t). nh gi xem cm danh tny cth l mt trng hp c bit cn c qun l trong hthng khng

Tm kim xem c nhng c trng ring ca lp Xy dng mi kt hp chuyn bit t lp ny n lp banu

UML/NN 56

Xc nh mi quan h

Ho n

Ho n giao hng

GiaoDch

GiaoDchRt GiaoDchGi

Ghi ch: ch cn a vo cc lp chuyn bit m chng ta xc nh c cc c trngring (thuc tnh, method, lin kt) ca n trong h thng.


15/22

UML/NN 57

Xc nh mi quan h

Nhn vin

Nhn Vin VP Cng Nhn

Trng Phng Th K NV Bn Hng

UML/NN 58

Xc nh mi quan h

Nng cp mi kt hp: Xc nh mi kt hp tng qut chuyn bit

(generalization): Tip cn bottom-up:

Tm kim trong cc lp xc nh xem c ccthuc tnh v phng thc ging nhau. Sau chng ta c thgom nhm v a cc thuctnh v phng thc chung ny ln mt lptng qut (tru tng)

To mi kt hp tng qut ho tcc lp nyn lp tng qut mi xc nh

UML/NN 59

Xc nh mi quan h

Ho n n t hng

Hng ho

Chng t

UML/NN 60

Xc nh mi quan h

Khch Hng Nh CCp

i Tc


16/22

UML/NN 61

Xc nh mi quan h Xc nh stng quan:

Lp A1 Lp A2

Lp A

(complete, disjoint)

(incomplete, disjoint)

(complete, overlapping)

(incomplete, overlapping)

UML/NN 62

Xc nh mi quan h

Khch Hng Nh CCp

i Tc

(incomlete, disjoint)

Nhn Vin VP

Trng Phng Th K NV Bn Hng

(incomplete, overlapping)

Khch Hng

Khch Quen

(incomplete)

UML/NN 63

Xc nh mi quan h Vn a tha k:

Phc tp trong vn ktha Khng nn sdng (phin bn gc UML

khng a vo)

Gio Vin Nh Nghin Cu

Gvin Nh NgCu

UML/NN 64

Xc nh mi quan h Xc nh mi kt hp thnh phn (a-part-

of, aggregration) c trng c bn

Tnh bc cu: Nu lp A l mt thnh phn ca lp Bv lp B l thnh phn ca lp C lp A l thnhphn ca lp C

Tnh i xng: nu lp A l thnh phn ca lp B thlp B khng phi l thnh phn ca lp A

Lp A Lp B

Lp C


17/22

UML/NN 65

Xc nh mi quan h Xc nh mi kt hp thnh phn (a-part-

of, aggregration) Tp hp: mt i tng vt l c hnh

thnh tcc i tng vt l thnh phnkhc

To Nh Xe T

Phng Thng Xe Bnh Xe ng C

1

1..*

1 1 1

14..81

n Hng

Dng H

1

1..*

UML/NN 66

Xc nh mi quan h

Vt cha: mt i tng vt l chang cc thnh phn nhng khng ccu to bi cc thnh phn

Container Phng Hc

Hng Ho Bn Gh Projector

1

1..*

0..1 0..1 0..1

0..10..*0..*

UML/NN 67

Xc nh mi quan h

Tp hp thnh vin: mt i tngkhi nim cha cc thnh phn c thvtl hoc khi nim

Phng Ban

Nhn Vin

1

0..*

i Bng

Cu Th

1

0..*Lp vt l

Lp khi nim

UML/NN 68

H thng ATM

MyATM

NgnHng

KhchHng

TiKhon GiaoDch

1

C 0..n1..n

1

Ca

ThucThuc

0..*

1

1..*

1

1

1..*

1

1..*


18/22

UML/NN 69

Ni dung

5.1 Cc tin trong thit k 5.2 Hng tip cn trong xc nh lp 5.3 Xc nh mi quan h gia cc lp 5.4 Xc nh thuc tnh v hnh vi ca

lp

UML/NN 70

Xc nh thuc tnh

Cu hi: Thng tin g vi tng sc qun l ?

Nguyn tc: Tn: danh t; cm danh t n gin: ch dng thuc tnh din t

trng thi i tng giai on phn tch(thuc tnh sc bsung chi tit hn ccgiai on tip theo)

Khng qu quan tm v vic phi khm phht thuc tnh

UML/NN 71

V d: H thng ATM

Lp Khch Hng: Phn tch ln lt tt ccc use case c lin quan n lp KhchHng nh l: ng nhp, X l PIN khnghp l. Cc thuc tnh ca lp khch hngnhsau:

KhchHng

tnKhchHnghKhchHng

mPINsTh

UML/NN 72

ATM: Thuc tnh

GiaoDchRt GiaoDchGi

MyATMaChtrngThi

KhchHngtnKhchHnghKhchHngmPINsTh

GiaoDchgiaoDchIDngyGiaoDchthiGianGiaoDchloiGiaoDchsTinsD

TiKhonsTiKhonloiTiKhonsD

1

1ca

0..n1

c

NgnHng

sTinHinTi


19/22

UML/NN 73

Xc nh method

Cu hi: Cc i tng chu trch nhim x l g v thng

tin ca n cung cp dch v cho h thng? Nguyn tc:

Tn: ng t+ bng Ch quan tm n cc method c phm vi ton cc

(public), cc method c phm vi cc b sc phthin trong giai on thit kci t (vd: constructor, .)

Cc method chu trch nhim v cc thao tc ln ccthuc tnh ca i tng: truy vn, cp nht, c v ghi

UML/NN 74

Xc nh method qua phn tch use case

Phn tch cc dng message trong stun txem c thchuyn mt hotng thnh mt method khng?

Nu c, t tn cho method ng vi hotng

UML/NN 75

V d

lp TiKhon Rt Tin Gi Tin Xem thng

Tin Ti Khon

: KhchHng : MyATM : TiKhon

Yu cu s tin

Nhp s tin

X l giao tc rt

Giao tc thnh cngPhn phi tin mt

Yu cu ly th

Ly thYu cu tip tc

Kt thc

In ho n

TiKhonsTiKhon

loiTiKhonsD

rtTin()

Use case Rt TinUML/NN 76

V d

Lp TiKhon Rt Tin Gi Tin Xem thng Tin Ti

Khon

: KhchHng : MyATM : TiKhon

Yu cu s tin

Nhp s tin

X l giao tc gi

Giao tc thnh cng

Yu cu ly th

Ly thYu cu tip tc

Kt thc

In ho n

TiKhonsTiKhon

loiTiKhonsD

rtTin()

Use case Rt Tin

giTin()xemTiKhon()


20/22

UML/NN 77

ATM: method

GiaoDchRt GiaoDchGi

KhchHngtnKhchHnghKhchHngmPINsTh

kimTraMtKhu()

GiaoDchgiaoDchIDngyGiaoDchthiGianGiaoDchloiGiaoDchsTinsD

TiKhonsTiKhonloiTiKhonsD

rtTin()giTin()

11

ca

0..n1

c

NgnHng

MyATMaChtrngThisTinHinTi

khingMy()ngMy()

xemTiKhon()

1

Ghi ch: cc method c pht hin trong giaion ny thng i din xl cho mt use case

UML/NN 78

Tinh chthuc tnh

Kiu thuc tnh Thuc tnh n tr Thuc tnh a tr: c thdng cc cu trc, list,

array, bag khai bo ci t.V d: thuc tnh sinThoi ca lp NhnVin c

th l a tr aCh[3]: String aCh[1..3]: String

UML/NN 79

Hin th thuc tnh

: =

+ : ton cc # : bo v - : cc b

Ghi ch: phm vi mc nh ca cc thuc tnh l cc bUML/NN 80

GiaoDchRt GiaoDchGi

KhchHng#tnKhchHng:String#hKhchHng:String#mPIN::String#sTh:String

GiaoDch#giaoDchID:String#ngyGiaoDch:Date#thiGianGiaoDch:Time#loiGiaoDch:String#sTin:float#sD:float

MyATM#aCh:String#trngThi:String

TiKhon#sTiKhon:String#loiTiKhon:String#sD:float

1

1ca

0..n1

c

NgnHng

#tiKhon:TiKhon

#giaoTc:GiaoDch#khchHng:KhchHng

#sTinHinTi:float

Cc thuc tnhci t lin kt

ATM : thuc tnh lp


21/22

UML/NN 81

Hin th method

:

Cc method a s l cc method c phm viton cc

V d: +get_Tn(): String +get_STiKhon(vtiKhon : TiKhon): String

UML/NN 82

Thit kni dung method

Cc method c xcnh trong giai on

phn tch

Thit k bngvic phn tch

s use case

Cc method c thit k Cc method va pht hin

UML/NN 83

ATM: kimTraMtKhu

KhchHng::+ kimTraMtKhu(sTh:String,vPIN:String): vkhchHng: KhchHng

: KhchHng: MyATM

KimTraMtKhu(vSTh, vPIN)

vKhchHng = ly_KhchHng(sTh, vPIN)

Hin th thng bo PIN khng hp l, vui lng nhp li

Cung cp quyn truy cp cho ngi dng

vKhchHng

Method mi c pht hin

UML/NN 84

ATM: rtTin

TiKhon::+ rtTin(sTin: foat )

maTraVe = "So tien

rut vuot qua so du"

soDu = soDu -

soTien

#capNhatTaiKhoan(so

TaiKhoan, soDu)

#taoGiaoTac("Rut",

soTien, soDu)

Cap nhat lai so du tai khoan

Tao mot giao tac rut tien cho tai khoan

soTien > soDu

soTien


22/22

UML/NN 85

H thng ATM

GiaoDchRt GiaoDchGi

KhchHng#tnKhchHng:String#hKhchHng:String#mPIN::String#sTh:String

GiaoDch#giaoDchID:String#ngyGiaoDch:Date#thiGianGiaoD ch:Time#loiGiaoDch:String#sTin:float#sD:float

MyATM#aCh:String#trngThi:String

TiKhon#sTiKhon:String#loiTiKhon:String#sD:float

1

1

ca

0..n1

c

NgnHng

#tiKhon:TiKhon

#giaoTc:GiaoTc#khchHng:KhchHng

#sTinHinTi:float

+kimTraMtKhu()#ly_KhchHng()

+khingMy()+ngMy()

+ktNi()+ngKtNi()

#ttMy()

+giTin()+rtTin()#cpNhtTiKhon()#toGiaoTc()

+gnThngTinGiaoDch()

#cpNhtSTin()

uml chuong 6 nguyenlythietkelop

Documents