Eran Toch

1
Object Process Methodology(OPM)
Day ?
October 2007

• Eran Toch
• http//www.technion.ac.il/erant

2
Agenda
3
Difficult Tasks

• Data Structures
• Workflows modeling complex behavior
• Agile behavior
• And more...

4
Patterns in Architecture

• Does this room makes you feel happy?
• Why?
• Light (direction)
• Proportions
• Symmetry
• And more...

5
What is a Design Pattern?
A description of a recurrent problem and of the
core of possible solutions
In Short, a solution for a typical problem
6
Why do we need Patterns?

• Reusing design knowledge
• Problems are not always unique. Reusing existing
  experience might be useful.
• Patterns give us hints to where to look for
  problems.
• Establish common terminology
• Easier to say, "We need a Façade here.
• Provide a higher level of abstractions
• Frees us from dealing with the details too early
• In short, its a reference

7
History of Design Patterns
Architecture
Christopher Alexander The Timeless Way of
BuildingA Pattern Language Towns, Buildings,
Construction
1970
Object OrientedSoftware Design
Gang of Four (GoF)Design Patterns Elements of
Reusable Object-Oriented Software
1995
Other Areas HCI, Organizational Behavior,
Education, Concurent Programming
Many Authors
2007
8
Agenda
9
Data Structures Exercise 1

• A company has 1000 workers, each one identified
  with a name, ID, salary and a job title (i.e.
  system analyst).
• Each worker can be assigned to one or more
  projects. In each project, the worker is assigned
  to a team.
• Each team has a captain the head of the team.
  Similarly, each project has a manager.
• Each project has a name, customer and a list of
  milestones. Each milestone is assigned to a team.
• For each successful milestone, the workers of the
  assigned team receive a bonus, which is manually
  set by the project manager. The bonus might be
  different for each team member.

10
Data Structures Exercise 2
Client
Files
Folders
11
Data Structures Exercise 3
12
Agenda
13
Behavior Exercise 1

• ????? ????? ?????? ????? ???? ???? ???????
  ???????? ????? ???? ????? ???? ?? ?????? ?? ??
  ???? (????, ????, ??????, ??????), ????? (????,
  ?????, ????? ????? ??????), ?????? ???? ?????
  (???? ??????, ???? ????). ???? ????? ???? ???
  ??????, ??? ???? ?????? ???? ???????? ????????.
  ?? ???? ???? ???? ???????? ???, ????? ??????
  ????? ????? ?????. ?? ???? ????, ?????? ?????? ??
  ????? ??????? ????? ????? ????? ????? ???? ????
  ??? (??? ??? ???? ????? ???? ????) ???? ??????.
  ?? ????? ?????, ????? ?????? ??????? ?? ?????
  ???????? ?? ???? ?????? ?? ????? ????? ?? ????
  ?"? ?????? ????? ???????? ????????. ????? ??
  ?????? ?? ?????? ????? ?? ????? ??????? ?????
  ??????, ??? ????? ????? ????? ?????. ????? ????
  ???? ?? ????? ???? ?? ??????? ???? ????? ??????.
  ???? ????? ???? ???? ?????, ???? ?????? ???????,
  ???? ????? ???? ?? ???? ???? ?? ?? ?? ?????,
  ?????? ?? ????? ???? ?-"????". ????? ??????, ????
  ????? ????? ?? ????? ???? ?-"????".

14
Agenda
15
????? Market-Mail

• Market Mail ??? ????? ?????? ?????? ???????
  ?????? ????? IBM. ????? ????? ????? ????? ??????
  ???? ??? ????? ???? ?? ????? ???? ?????? ??????,
  ?????? ??????? ???? ?? ???? ??????? ?"? ????
  ?????? ???. ??? ?? ??? ?????? ???? ?????? ???
  ?????? ???????? ?"? ?? ???? ?????? ??? 0 ?- 1
  (???? ????? ?????? ?? ??? "????" ??? ???? ??????,
  ??? "?????" ??? ???? ????? ?? ??? "?????" ??? ???
  ??????).
• ????? IBM ??????? ????? ?????? ???? ?????? ?????
  email ??? ????? ????? ?????? Market Mail. ??????
  ?????? ??????? ????? ???? ????? ??????? Reuters.
  ???? ?? ????? ???? ???? ?????? ????? ????? ?????.

16
????? Market-Mail - ????

• ????? ??? ????? ???? ?? ???? (???? ??????) ??????
  ????? ??????? ?????? ???? ?? ??? ???????? ?????
  ????. ????? ????? ???? ?? ???? ??? ?? ?? ??????
  (??? 0 ?- 1) ?? ??? ??????? ???? ??????? ?????
  ????? ??????? ????? ????. ???? ??????? ??????
  login ?????? ?????? online ?????? ??? ???? ??
  IBM.
• ??? ???? ???? ????? IBM (????? ??? ?????) ??
  ?????? ????? ??????? ????? ?? ????? ???????
  ??????? ?? ????? ???? ??? ???? ?????? ??????
  ????? (??? 0 ?- 1). ???? ???? ????? ?????? ?????
  ?????? ?? ?????? ?? ????? ???? ?? ???? ????? ????
  (?? ??? ????? ???? ??????? ????? ????? ??????
  ???? ????? ???? ???????). ????? ???? ??????
  ?????? ????? ????? ???? ?? ?? ??????? ????? ????
  ????? ???? ????? ????? ??????? ???? ?????, ??
  ????? ???? ?? ?????? ?? ?????.