1. Agenda – week 10 6:00 – 6:05 Questions, announcements 6:05 – 6:30
Discussion: your thoughts about product lines
6:30 – 7:00
Lecture: product line introduction
7:00 – 7:10
Product Line Hall of Fame
7:10 – 7:40
Discussion: voting system product line
7:40 – 7:50
Break
7:50 – 8:30
Lecture and demo: Java EE/EJB intro
8:30 – 8:40
8:40 – 9:15
Activity: Java EE based voting
9:15 – 9:20
Wrap-up
9:20 – 9:40
Project team meetings

2. What’s a “product line approach”?
An architecture
A set of products or systems that
Are all instances of the architecture
Share large amounts of common software
Differ in ways like this:
Market segment(s) addressed
Components included or excluded
Capacity limits
Other quality attribute levels

3. Your thoughts about product lines
Does your work use a product line approach?
If your answer is No, imagine you’re the IT Director, and answer:
How would you introduce a product line approach?
What problems would you expect?
What would you do about them?
If your answer is Yes, answer these:
How does it work?
In what ways does it seem successful?
What are the major problems?

4. Voting system product line
Scope a voting system product line
Brainstorm some products that might be part of a voting system product line
What’s in?
(pick at least 2 product ideas, besides the State-of-Ohio election system, that are in)
What’s out?
(identify at least 2 product ideas that are out)
Identify at least 2 variation points

5. Java EE-based voting
Sketch a Java EE based architecture for a voting system product line
The product line should support at least
Elections with touch-screen voting machines and the possibility of recounts and audits
Web popularity contests (for example, voting for Dancing with the Stars)

6. Bonus material

7. Java EE/EJB – a basis for product lines?
What do you find compelling about Java EE?
Emphasize EJB if Java EE feels too big
Is it
A product line? (definition p 353)
A framework? (use your favorite definition)
An architecture? (definition p 3)
What is restrictive about Java EE/EJB?
What variation points do you see?