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ChaosChaos

ComplicatedComplicated Complex!!!

Cosmos!!!

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BA AA

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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

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dark. - Grady Booch

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www.architecting.kr

architect@evalleyvs.com/jongidal@gmail.com

Trade-Off

(Availability)

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.

(fault)

(failure) .

Availability

ROI

Availability

100%98% 99%

Heartbeat

Availability

Active Redundancy

Availability

Passive Redundancy

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Spare

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Performance

Performance

Performance

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ServerClient

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Component Life Cycle

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4. .

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1.2. ACID3. vs

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

6.

7.

8.

9.

10.

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Java EE

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OS

Trouble Shooting HTTP

1jongidal@gmail.com/architecting.kr

jongidal@gmail.com/architecting.kr 2

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jongidal@gmail.com/architecting.kr 5

jongidal@gmail.com/architecting.kr 6

ADD(Attribute-Driven Design)

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. .

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!

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OASIS

DB

Report

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jongidal@gmail.com/architecting.kr 22

jongidal@gmail.com/architecting.kr 23

jongidal@gmail.com/architecting.kr 24

( )

jongidal@gmail.com/architecting.kr 25

( )

(AFW)

(BFW)

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jongidal@gmail.com/architecting.kr 27

HTTP

EAI

IIOP

XML/HTTP HTTP

ActiveX

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DB

DBMS

File

RMI-IIOP

JDBC

HTML/RIA/

ChannelAdapter

jongidal@gmail.com/architecting.kr 29

ChannelManager

Connector

DBMS/File/LDAP

jongidal@gmail.com/architecting.kr 30

jongidal@gmail.com/architecting.kr 31

jongidal@gmail.com/architecting.kr 32

(BFW

)

:

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:

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:

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1.

2.

4.

3.

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5.

6.

9.

7.

8.

10.

11. (, ...)

12.

13.

/

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(Business WorkflowComponent, BWC)

jongidal@gmail.com/architecting.kr 40

(Business DomainComponent, BDC)

ABWC

A

aBDC

A

bBDC

BBWC

B

cBDC

B

dBDC

BFW

jongidal@gmail.com/architecting.kr 41

Channel

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Connector

BusinessBusiness

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jongidal@gmail.com/architecting.kr 44

/

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/

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jongidal@gmail.com/architecting.kr 47

jongidal@gmail.com/architecting.kr 48

Exception

RuntimeExceptionSQLException ParseException IOException

NullPointerException

NumberFormatException

BizExceptionSysException

X-Internet

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Xinternet

Xinternet Xinternet

1. 4.

( URL )

5.

7.

6.

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HTTP

2.

( URL )

3. URL

>

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5. .

2. .

4

6. .

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3. SQL.

4. .

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jongidal@gmail.com/architecting.kr 58

jongidal@gmail.com/architecting.kr 59

(EJB)

jongidal@gmail.com/architecting.kr 60

(Spring)

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64

65

66

67

68

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.

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.

.

.

.

.

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73jongidal@gmail.com/architecting.kr

Spring FrameworkSpring Framework

Spring Patten Aspect

Java EE

Java EE - EJB

JavaEE - Spring

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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

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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

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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 ?

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HTTP Spring MVC

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new

new

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ubiqo

4+1

RM-ODP

1jongidal@gmail.com/architecting.kr

jongidal@gmail.com/architecting.kr 2

? (framework)

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6jongidal@gmail.com/architecting.kr

(Application Framework)

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

7jongidal@gmail.com/architecting.kr

(Application Framework) . ,

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8jongidal@gmail.com/architecting.kr

(Application Framework)

.

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9jongidal@gmail.com/architecting.kr

(Application Framework)

C++ STL .

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(Architectural Framework) .

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12jongidal@gmail.com/architecting.kr

.

. .

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14jongidal@gmail.com/architecting.kr

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IEEE 1471 .

. .

15jongidal@gmail.com/architecting.kr

: 4+1 The 4+1 View Model of

Architecture IEEE,

November 1995, P.

Kruchten(Rational)

16/43jongidal@gmail.com/architecting.kr

: 4+1 4+1

17jongidal@gmail.com/architecting.kr

: 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)

18jongidal@gmail.com/architecting.kr

: 4+1 4+1

5 4+1?

. 4

. 4 4

. . +1 4

.

Scenario

19jongidal@gmail.com/architecting.kr

: 4+1 4+1 : (Scenario)

4 . . .

? ? ? ?

20jongidal@gmail.com/architecting.kr

: 4+1 4+1 :

(Use Case diagram) :

. (Use Case description) :

. (Interaction diagram) :

. . (Activity diagram) :

.

21jongidal@gmail.com/architecting.kr

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

.

. .

:

? , ,

? ? ?

22jongidal@gmail.com/architecting.kr

: 4+1 4+1 :

(Package diagrams) :

. (Class diagrams) :

. (Interaction diagrams) :

. . (Statechart diagrams) :

.

,

.

23jongidal@gmail.com/architecting.kr

: 4+1 4+1 :

(process) (thread) , ,

. , .

. ()

? ?

24jongidal@gmail.com/architecting.kr

: 4+1 4+1 :

(Class diagram) : , ,

. (Object diagram) :

.

.

25jongidal@gmail.com/architecting.kr

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

. . .

.

// ? ? ? ?

26jongidal@gmail.com/architecting.kr

: 4+1 4+1 -

(Component diagram) :

.

,

. ,

, ,

, .

27jongidal@gmail.com/architecting.kr

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

. .

? ? ? , , ? ,

?

28jongidal@gmail.com/architecting.kr

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

(Deployment diagram)

.

29jongidal@gmail.com/architecting.kr

: 4+1 4+1

. , ,

. .

30jongidal@gmail.com/architecting.kr

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

Processing) ? RM-ODP

(ISO/IEC 10746).

31jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP

, , ,

. RM-ODP (heterogeneous)

(interoperability) (distributed)

(distribution transparency) (distribution transparency)

.

32jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP

(Enterprise)

(Computational)

(Information)

(Engineering)

(Technology)

33jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP -

.

.

: :

? : ?

34jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP -

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

UML UML

.

35jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP -

. 4+1

(information object)

. (the universe

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

: ? : ?

36jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP -

.

(schema) . . (, invariant) :

. (, static) :

.(, dynamic) : (, dynamic) :

.

37jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP -

.

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38jongidal@gmail.com/architecting.kr

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39jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP

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40jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP

RM- ODP

41jongidal@gmail.com/architecting.kr

: RM-ODP RM-ODP

42jongidal@gmail.com/architecting.kr

.

. .

.

43jongidal@gmail.com/architecting.kr

. 4+1 , RM-

ODP . 4+1 , , , ,

. . RM-ODP , , , ,

.

44jongidal@gmail.com/architecting.kr

jongidal@gmail.com/architecting.kr 45