1.
THE FLOW AND ARCHITECTURE OF WEB
BASED APPLICATIONS USING HE
AGONAL METHODOLOGY
HI MY NAME IS
IVO AND TODAY
I WANT TO SHARE
WITH YOU
X

2.
FEATURES AND COMPLEXITY
Decoupled Coupled
Amount of Features / Time
Complexity
Growing
Technical
Debt

3.
SO WHAT
MAKES PEOPLE
NOT CARE
ABOUT THE RED
ALERT?

4.
PRESSURE FROM THE BOSS?
WHERE ARE
MY NEW
FEATURES!?

5.
PRESSURE FROM THE BOSS?
WHY DO WE
HAVE SO MANY
BUGS!?

6.
COMPLAINING
STRESSES PEOPLE
@stress#$%*@
@&^#$stress&
$%*!!!!!

7.
LEVELS OF
ENTHUSIASM
DROP RAPIDLY

8.
RELUCTANCY TO LEARN,
WORK AND IMPROVE
PERSONAL KNOWLEDGE

9.
SO ASK
YOURSELF:
WHAT CAN I DO TO
WORK LESS AND MAKE
THE BOSSMAN HAPPY?

10.
ONE MORE
THING
IF YOU WERE YOUR OWN
BOSS, WHAT WOULD
MAKE YOU HAPPY?

11.
SO WHAT IS
THE ANSWER?

12.
THINK ABOUT THE
FUTURE OF YOUR
APPLICATION IN THE
BEGINNING

13.
LEARN HOW TO BOOST
YOUR APPLICATION AT ITS
START, BY USING BETTER
ARCHITECTURE

14.
SO WHAT IS ARCHITECTURE

15.
IS IT ACTUALLY A COMBINATION
OF DIFFERENT PIECES OF CODE
WORKING TOGETHER JUST
?LIKE A CLOCKWORK

16.
MAYBE ID DOES, WE ARE NOT SURE
SO MANY QUESTIONS AND THERE ARE
SO MANY DIFFERENT ANSWERS

17.
DIFFERENT OPINIONS

18.
MV
C
HOLY GRAIL

19.
M

20.
M

21.
M
KNOWS HOW TO
SAVE DATA IN YOUR
DATABASE

22.
V

23.
V

24.
V
GENERATES OUTPUT
PRESENTATION
BASED ON THE DATA
IN FROM THE MODEL

25.
C

26.
C

27.
C
HANDLES REQUESTS
FROM THE VIEW
AND UPDATES THE
MODEL’S STATE

28.
S

29.
S

30.
S
SERVERS TO OFFLOAD
TASKS FROM THE
CONTROLLER AND
ALSO HAS NO STATE

31.
THE MYSTERIOUS
PERSISTNACE STORAGE

32.
Data flow both ways
Data flow one way
Data flow through a request
WHAT PEOPLE DO

33.
THE EQUIVALENT
*
* - EQUIVALENCE SYMBOL

34.
WHAT THE BOSS THINKS

35.
WHAT HAPPENS WHEN
A CHANGE OCCURS
CUT
CUT
CUT
CUT REFACTOR

36.
THE HEXAGON

37.
R
COMMUNICATION
BETWEEN MODEL
AND CORE DOMAIN

38.
CD
HOLDS THE BUSINESS
LOGIC. UNDERSTANDABLE
BY THE DOMAIN
SPECIALISTS

39.
Data flow both ways
Data flow one way
Data flow through an event bus
WHAT IT CAN BE

40.
DEPENDENCIES

41.
A DIFFERENT PERSPECTIVE

42.
THANK YOU FOR THE ATTENTION!