Architecting Lecture

?

www.architecting.kr

[email protected]/[email protected]

.() ()

()

()

.

,

70%

, 30%

?

is NEITHER

NOR

?

rchitecturerchitecture-- entricentric

Form follows unction.

XXX

XXX

XXX

XXX

2.

ChaosChaos

ComplicatedComplicated Complex!!!

Cosmos!!!

ComplicatedComplicated Complex!!!

BA AA

BA AA

DATA

+

Integration Allocation

+

RealizationVisualization

PM

QA

The life of a software architect is a long(and sometimes painful) succession ofsuboptimal decisions made partly in thedark. - Grady Booch

The life of a software architect is a long(and sometimes painful) succession ofsuboptimal decisions made partly in thedark. - Grady Boochdark. - Grady Booch

.

dark. - Grady Booch

.

www.architecting.kr

[email protected]/[email protected]

Trade-Off

(Availability)

.

.

(fault)

(failure) .

Availability

ROI

Availability

100%98% 99%

Heartbeat

Availability

Active Redundancy

Availability

Passive Redundancy

Availability

Spare

Availability

(Performance)

, , ,

, , ,

.

Performance

Performance

.

.

. .

System=

??

Middleware

ServerClient

JavaEE??

JavaEE

? ?

Thread SafetyThread Safety

CMT

Component Life Cycle

, ? !

!

.

1. .2. .3. .

4. .

: .

1.2. ACID3. vs

4. DTP/2PC4. DTP/2PC5. Flat/Nested

6.

7.

8.

9.

10.

?

Java EE

OS

Trouble Shooting HTTP

[email protected]/architecting.kr

[email protected]/architecting.kr 2

ADD(Attribute-Driven Design)


?


. .

.

?

013 x

)1)(1(1 23 xxxx


)1)(1(1 23 xxxx

2

31,1

ixx

?


!


OASIS

DB

Report

( )


( )

(AFW)

(BFW)


HTTP

EAI

IIOP

XML/HTTP HTTP

ActiveX


DB

DBMS

File

RMI-IIOP

JDBC

HTML/RIA/

ChannelAdapter


ChannelManager

Connector

DBMS/File/LDAP


(BFW

)

:


[]

[]- [] [] []

[]

[]-1

[]-2 []-3 []1 []2

[]


1.

2.

4.

3.


5.

6.

9.

7.

8.

10.

11. (, ...)

12.

13.

/


(Business WorkflowComponent, BWC)


(Business DomainComponent, BDC)

ABWC

A

aBDC

A

bBDC

BBWC

B

cBDC

B

dBDC

BFW


Channel


Connector

BusinessBusiness

/


/

Exception

RuntimeExceptionSQLException ParseException IOException

NullPointerException

NumberFormatException

BizExceptionSysException

X-Internet


Xinternet

Xinternet Xinternet

1. 4.

( URL )

5.

7.

6.


HTTP

2.

( URL )

3. URL

>

1. .

5. .

2. .

4

6. .


3. SQL.

4. .

(EJB)


(Spring)


.

.

, .

.

, , .


.

.

.

. .

.

.


.

.

.

.

.

.


Spring FrameworkSpring Framework

Spring Patten Aspect

Java EE

Java EE - EJB

JavaEE - Spring

? ?

CMT Thread Safety Component Life Cycle

Thread1 HeapStack

Object A

Thread2

Stack

attribute

?

JMM

-

object

a := 2

lock

Thread 1

a := 2

1. .

Thread

object

Thread 2

lock2. a1.

if (a > 0){a--;

}

Object

a := 1

object

a := 1

lock

Thread1

a := 1

a := 2

.

.

Thread 2

a := 1

a := 2

2. a.

3.

object

a := 1

lock

Thread 2

a := 1

3.

. .

.

.

-

public void put(Object values){

int count = 1;while (true){if ( ){

try{

Thread.sleep(10);}catch (InterruptedException e){

e.printStackTrace();MsgParameter msp = new MsgParameter();msp.add(poolType);throw new FWRuntimeException(FWExceptionCode.EX00075, msp, e);

}count++;// // .if (count == retryCount){

if(this.objPool.size()>0){

this.objPool.remove(0);}

}continue;

}this.objPool.add(values);

break;}

}

.

JVM : volatile

: synchronized VS

:

: singleton

synchronized

synchronized

.

. Oracle select for update .

synchronized

Synchronized

. .

JavaEE -

Web Server

WASClient Thread

Client

Client

ServletThread

Thread

JavaEE -

JavaEE - EJB

Application Server

WAS

Client

Client

Client

Thread

Thread

Thread

EJB

EJB

EJB

JavaEE

Client

Client

Thread

Thread Servlet object

WAS

Client Thread

object

JavaEE

JavaEE - Spring

Spring ?

EJB Home/Business Interface, Bean Class, DD Core J2EE Pattern, EJB Pattern

Spring Interface, Bean, Context File Pattern???

Spring Pattern

HTTP Spring MVC

- / /

- Bean

Spring Pattern

Spring Beanssingleton

Spring Beanssingleton

new

new

Spring Pattern

Spring Pattern

DTO . singleton scope . .

Spring Aspect

4+1

RM-ODP


? (framework)

,

, ,

.


, .


. ,

, ,

.

.


.

.

. .


(Application Framework)

.

GUI : Qt, gtk+, OpenOffice, Motif, MFC, AWT, Swing : (Struts)


(Application Framework) . ,

.



.

.



C++ STL .

.

.


(Architectural Framework) .

.

, , .


?

.

.


.

. .

. . .


: . : , ,

. :

.


. . ,

IEEE 1471 .

. .


: 4+1 The 4+1 View Model of

Architecture IEEE,

November 1995, P.

Kruchten(Rational)

16/[email protected]/architecting.kr

: 4+1 4+1


: 4+1 4+1

: +1 View Scenario ( Use Case View)

: 4 View Logical View ( Design View) Process View Development View ( Implementation View) Physical View (Deployment View) Physical View (Deployment View)


: 4+1 4+1

5 4+1?

. 4

. 4 4

. . +1 4

.

Scenario


: 4+1 4+1 : (Scenario)

4 . . .

? ? ? ?


: 4+1 4+1 :

(Use Case diagram) :

. (Use Case description) :

. (Interaction diagram) :

. . (Activity diagram) :

.


: 4+1 4+1 : (Logical View)

.

. .

:

? , ,

? ? ?


: 4+1 4+1 :

(Package diagrams) :

. (Class diagrams) :

. (Interaction diagrams) :

. . (Statechart diagrams) :

.

,

.


: 4+1 4+1 :

(process) (thread) , ,

. , .

. ()

? ?


: 4+1 4+1 :

(Class diagram) : , ,

. (Object diagram) :

.

.


: 4+1 4+1 - (development view)

. . .

.

// ? ? ? ?


: 4+1 4+1 -

(Component diagram) :

.

,

. ,

, ,

, .


: 4+1 4+1 - (physical view)

. .

? ? ? , , ? ,

?


: 4+1 4+1 - (physical view)

(Deployment diagram)

.


: 4+1 4+1

. , ,

. .


: RM-ODP RM-ODP(Reference Model for Open Distributed

Processing) ? RM-ODP

(ISO/IEC 10746).


: RM-ODP RM-ODP

, , ,

. RM-ODP (heterogeneous)

(interoperability) (distributed)

(distribution transparency) (distribution transparency)

.


: RM-ODP RM-ODP

(Enterprise)

(Computational)

(Information)

(Engineering)

(Technology)


: RM-ODP RM-ODP -

.

.

: :

? : ?


: RM-ODP RM-ODP -

(Enterprise Objects) (Communities) (Roles) (Contracts)

UML UML

.


: RM-ODP RM-ODP -

. 4+1

(information object)

. (the universe

of discourse) .of discourse) . , , , .

: ? : ?


: RM-ODP RM-ODP -

.

(schema) . . (, invariant) :

. (, static) :

.(, dynamic) : (, dynamic) :

.


: RM-ODP RM-ODP -

.

.

. . , , , ,

.


: RM-ODP RM-ODP -

.

: :

?

, , ,

.


: RM-ODP RM-ODP

, , ,

. , , ,

.

, , , ,

. , ,

, , .


: RM-ODP RM-ODP

RM- ODP


: RM-ODP RM-ODP


.

. .

.


. 4+1 , RM-

ODP . 4+1 , , , ,

. . RM-ODP , , , ,

.


Architecting Lecture

Software

Transcript of Architecting Lecture