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CSSE 477: Swre Arch – This year’s course…

Right – Sunset at the Louvre, in Paris From http://weheartit.com/entry/7831741/via/patyperez. CSSE 477: Swre Arch – This year’s course…. Steve Chenoweth Tuesday, 11/8/11 Week 10, Day 2. Reflections!. Today – Ta Da (almost)!. What was in this course? Architecture – What was the point?

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CSSE 477: Swre Arch – This year’s course…

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  1. Right – Sunset at the Louvre, in Paris From http://weheartit.com/entry/7831741/via/patyperez. CSSE 477: Swre Arch –This year’s course… Steve Chenoweth Tuesday, 11/8/11 Week 10, Day 2 Reflections!

  2. Today – Ta Da (almost)! • What was in this course? • Architecture – What was the point? • All those pesky Projects!

  3. What was in this course? • Syllabus • Exercises on architecture • Schedule • Project intensive • We used Bass’s book (“SA”)  Book nickname – Tweety

  4. The point – How was this important to your SE program of study? Software Engineering Student Outcomes: • Apply software engineering theory, principles, tools and processes, as well as the theory and principles of computer science and mathematics, to the development and maintenance of complex, scalable software systems. • Design and experiment with software prototypes • Select and use software metrics • Participate productively on software project teams involving students from a variety of disciplines • Communicate effectively through oral and written reports, and software documentation • …

  5. Projects – plan was: • Continue same projects where you were designers in 374 and developers in 375, as vehicle for arch studies. • Or some alternative project you proposed (and a team goes for!) • Occasionally work with the clients you had before, if appropriate: • E.g., If scope turns out not to be big enough, get more req from the clients • I think nobody did that this term, but there’s a chance on some of the projects to turn-in new versions for open source, etc.

  6. Main theme throughout projects • Learn about some architectural skill & • Applied it to your project • We also covered general topics to go with, as you worked on these skills. E.g. • First week: Worked on a performance skill, but also heard about “what architecture is.” • Next week: Architectural styles. • Then: Designing an arch, reconstructing, analyzing. • Then: Wrote an architecture document. • Finished with: What are product lines? What’s SOA?

  7. Course style • More like real projects! • You get theory & try to apply it • Some things work better than others! • You contribute by describing your results • Also more like senior project • More like grad school SE

  8. Arch – What was the point? • Get the things right about a whole system: • Overall functionality • Quality attributes (QA’s) • … both to meet the needs of the stakeholders, • especially the client and the users! • I.e., the architecture enables the solution to meet the acceptance criteria in an economical and socially acceptable way

  9. In CSSE… • A course is like an experiment. • We try new things and document those. • Discover what works and what doesn’t. • Checkpoints – • How you do on assignments & overall • How you liked it, right about now • How you liked it, after you have been doing it

  10. How’d you do? • As of the end of week 9, • Doing things like technical leaders do…

  11. What did last year’s class recommend? • Even the spread of assignment due dates (e.g., homework versus project work). • Did a lot of that this year • Try fewer separate pieces to the project, with more depth on those. • Didn’t do, but will be interested in your views • Less homework. • Did some of that • Continue trying some variant of the term paper (but perhaps a different flavor). • Looking at what you did as additional options

  12. And what do our alums recommend for this course? • Software leadership experience, like understanding diverse clients and users • Solving the harder problems of large systems, like distributed development, and product lines • “Current architectures” – patterns, OO, agile methods, SOA • Relationships to other fields – like hardware, other kinds of engineering

  13. What else plays a role? • What you knew before this class? • Should we do a pre-course survey? • Your preferred learning styles, and mine: Systems experience promotes this shift! Sec 1 Sec 2

  14. And who was the software architect? • The designer who gets up in front of the client and says, “This is how we’re going to solve your problem, and I’m responsible for it.” • The designer who gets up in front of the implementers and says, “Here’s how it works and here’s what each of you has to do, technically, to make that happen.” • It’s essence of technical leadership! •  You, these past 10 weeks!

  15. You learned that functionality and QA goals are… • Way harder on larger systems • Tricky to do for diverse audiences • Partly still art forms • But we do have generally accepted heuristics and best practices. E.g., • “Find out what the user thinks the system is.” • “Systems designed with good OO practices are way easier to grow.” • “Paying attention to cohesion and coupling makes a system much easier to test and maintain.”

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