eXploratory Modelling xM. Rob Vens. ESUG 2008, Amsterdam

1. © 1995-2008 Sogyo 1
eXploratory Modelling
xM
Rob Vens
rvens@sogyo.nl
http://www.robvens.nl

2. © 1995-2008 Sogyo 1
eXploratory Modelling
xM
Rob Vens
rvens@sogyo.nl
http://www.robvens.nl

3. © 1995-2008 Sogyo 4
About Sogyo
 Founded in 1995
 Housed on Sandwijck Estate in De Bilt
 > 100 employees
 Fascination for software innovations: the design,
development, realisation and integration of software
 Strong focus on DDD

4. © 1995-2008 Sogyo 8
Rationale for xM

5. © 1995-2008 Sogyo 8
Rationale for xM
• There is no “flag” for modelling best
practices

6. © 1995-2008 Sogyo 8
Rationale for xM
• There is no “flag” for modelling best
practices
• Modelling is too remote from domain experts

7. © 1995-2008 Sogyo 8
Rationale for xM
• There is no “flag” for modelling best
practices
• Modelling is too remote from domain experts
– restrictive technology

8. © 1995-2008 Sogyo 8
Rationale for xM
• There is no “flag” for modelling best
practices
• Modelling is too remote from domain experts
– restrictive technology
– developers who don’t speak the language of
the business

9. © 1995-2008 Sogyo 8
Rationale for xM
• There is no “flag” for modelling best
practices
• Modelling is too remote from domain experts
– restrictive technology
– developers who don’t speak the language of
the business
– but mostly:

10. © 1995-2008 Sogyo 8
Rationale for xM
• There is no “flag” for modelling best
practices
• Modelling is too remote from domain experts
– restrictive technology
– developers who don’t speak the language of
the business
– but mostly:
Business cannot speak it’s own language

11. © 1995-2008 Sogyo
Flag for modelling best practices
4

12. © 1995-2008 Sogyo
Flag for modelling best practices
• Programming: eXtreme Programming
4

13. © 1995-2008 Sogyo
Flag for modelling best practices
• Programming: eXtreme Programming
• Architecture: Extreme Architecture
4

14. © 1995-2008 Sogyo
Flag for modelling best practices
• Programming: eXtreme Programming
• Architecture: Extreme Architecture
• There is a lot of experience with modelling
4

15. © 1995-2008 Sogyo
Flag for modelling best practices
• Programming: eXtreme Programming
• Architecture: Extreme Architecture
• There is a lot of experience with modelling
4
xM

16. © 1995-2008 Sogyo 5
Question: what tools do we have to
elicit business knowledge?

17. © 1995-2008 Sogyo
Sattelite model
6
Component
Library

18. © 1995-2008 Sogyo
Sattelite model
6
Component
Library

19. © 1995-2008 Sogyo
Sattelite model
6
Component
Library

20. © 1995-2008 Sogyo
Essential attributes of a domain
model
7

21. © 1995-2008 Sogyo
Essential attributes of a domain
model
7
• Active-passive

22. © 1995-2008 Sogyo
Essential attributes of a domain
model
7
• Active-passive
• Time reversal

23. © 1995-2008 Sogyo
Essential attributes of a domain
model
7
• Active-passive
• Time reversal
• Constantly moving

24. © 1995-2008 Sogyo
Essential attributes of a domain
model
7
• Active-passive
• Time reversal
• Constantly moving
• No change of existing components while
evolving

25. © 1995-2008 Sogyo
What we need for xM
8

26. © 1995-2008 Sogyo
What we need for xM
• An extreme playing ground
8

27. © 1995-2008 Sogyo
What we need for xM
• An extreme playing ground
• Programming language/environment not
prominently present
8

28. © 1995-2008 Sogyo
What we need for xM
• An extreme playing ground
• Programming language/environment not
prominently present
• Being able to send messages to objects which do
not exist yet
8

29. © 1995-2008 Sogyo
What we need for xM
• An extreme playing ground
• Programming language/environment not
prominently present
• Being able to send messages to objects which do
not exist yet
• Being able to adapt objects dynamically while
they live
8

30. © 1995-2008 Sogyo
What we need for xM
• An extreme playing ground
• Programming language/environment not
prominently present
• Being able to send messages to objects which do
not exist yet
• Being able to adapt objects dynamically while
they live
– classes, method names, etc.
8

31. © 1995-2008 Sogyo
What we need for xM
• An extreme playing ground
• Programming language/environment not
prominently present
• Being able to send messages to objects which do
not exist yet
• Being able to adapt objects dynamically while
they live
– classes, method names, etc.
• Export/sync with various programming
languages/environments
8

32. © 1995-2008 Sogyo 9
Questions? Feedback?
Seminar? Conference?
Rob Vens
rvens@sogyo.nl
www.sogyo.nl
www.robvens.nl

33. © 1995-2008 Sogyo 9
Questions? Feedback?
Seminar? Conference?
Rob Vens
rvens@sogyo.nl
www.sogyo.nl
www.robvens.nl