Software Architecture Bertrand Meyer ETH Zurich, April-July 2006 - - PowerPoint PPT Presentation

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Software Architecture Bertrand Meyer ETH Zurich, April-July 2006 - - PowerPoint PPT Presentation

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1 Last update: 5 April 2006 Software Architecture Bertrand Meyer ETH Zurich, April-July 2006 Lecture 1: Introduction Chair of Softw are Engineering Software Architecture - Lecture 1 Goal of the course 2 Enabling you to master techniques

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Last update: 5 April 2006

Software Architecture Bertrand Meyer

ETH Zurich, April-July 2006

Lecture 1: Introduction

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Goal of the course

Enabling you to master techniques for building and enhancing successful software systems of large size and industrial quality This includes in particular:

  • The move from programming to software engineering
  • Principles of software engineering and in particular

software quality

  • Object technology principles and methods; the practice of
  • bject-oriented analysis, design and implementation
  • Design patterns
  • Principles of building reusable software
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Five key topics

Abstract Data Types Advanced Object Technology techniques Design Patterns Component-Based Development Integrated Development Environments (IDEs)

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Teaching staff

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Bertrand Meyer

E-mail: Bertrand.Meyer@inf.ethz.ch Office: RZ J6 Secretary: Claudia Günthart, (01) 632 83 46

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Exercise sessions

All groups have one session a week:

  • Tuesday, 14:00 – 15:00

Registration in a few moments

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The assistants

Bernd Schoeller (Coordinating Assistant) Volkan Arslan German Till Bay German (French) Ilinca Ciupa English Martin Nordio English Stephan Classen <classens@student.ethz.ch> (Hilfsassistent) German Florian Geldmacher <florian@womaro.ch> (Hilfsassistent) German

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Practical information

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Course material

Course page: http://se.inf.ethz.ch/teaching/ss2006/0050/ Check it at least twice a week Lecture material:

Lecture slides Textbook:

Object-Oriented Software Construction, 2nd edition -- Prentice Hall, 1997 Available from Polybuchhandlung Sold during the break next week (≈ CHF 63 with Legi) Exercise material:

Exercise sheets Master solutions

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Electronic forums

Discussion forums: Inforum: http://forum.vis.ethz.ch Mailing list for each group Advice and rules: Use the forums and mailing lists! Take advantage of every help you can get. Don’t be shy. There are no stupid questions. Criticism welcome, but always be polite to every participant and observe the etiquette. To email the whole teaching team (professor and assistants): soft-arch-assi@se.inf.ethz.ch

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Exercise sessions and project

Make sure to attend all sessions Exercise sheets will be distributed by your assistant during the exercise session Do all exercises and the project

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Exercises, “Testat” regulations (tentative)

“Testat”: Needed for admittance to the exam. Exercises:

6 project milestone exercises Project documentation Project presentation

To get the “Testat” you need to have done at least:

5 project milestone exercises Project documentation Project presentation Must show serious effort to address the questions Must have filled out questionnaire

Military services or illness contact your assistant.

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Programming environment

EiffelStudio download: http://www.eiffel.com/downloads/ Free version available for Windows, Linux and MacOS

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Exam: end of sem ester

Wednesday, 5 July 2006, 8-10 (normal class time) 2-hour exam No material allowed Covers all material in the semester

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The project

Integral part of the course Project is EiffelStudio-oriented (Other possibility: Traffic-related project) Public presentation: 28 June, main hall of HG Large groups: two per assistant group

Must organize yourselves All functions represented: developers, team leader,

quality assurance, documentation, …

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And now for the real news…

EiffelStudio history:

1986 First Eiffel compiler (Eiffel 1) by Eiffel Software

Command-line compiler

1988 Eiffel 2

Constrained genericity, exceptions, assignment attempt…

1990 First DOS implementation (Object Tools) 1993 Eiffel 3

Infix features, expanded classes… Graphical environment: EiffelBench Eiffel: The Language

1997 Eiffel 4

Precursor mechanism EiffelBench becomes EiffelStudio

1999 Eiffel 5

Tuples, agents… Free version

2005 ECMA standard 367

Attached types, …

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Other milestones

Object-Oriented Software Construction 1st edition, 1988 2nd edition, 1997 ECMA International, Standard 367 Eiffel: Analysis, Design and Programming Language 21 June 2005 ISO (International Standards Organization) Revision of ECMA standard Expected April 2006

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Some Eiffel projects

Axa Rosenberg Investment management: from $2 billion to >$40 billion 2 million lines of Eiffel Chicago Board of Trade Price reporting system Eiffel + CORBA + Solaris + Windows + … Boeing (Xontech) Large-scale Eiffel simulations of missile defense system Swedish social security: accident reporting & management

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The news: Open-Source EiffelStudio

Full technology will be available in dual licensing Open-Source version will be under GPL; applies to generated code as well Will be hosted at ETH: Origo server When and who?

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The news: Origo

Till Bay Environment under construction for distributed, cooperative, professional software development

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Key URLs

http://eiffelsoftware.origo.ethz.ch

  • - Project web page

https://eiffelsoftware.origo.ethz.ch/svn/es

  • - Anonymous Subversion checkout
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The course projects

EiffelStudio-related:

Build tool Mac OSX release and installer Port to new platforms (Mac OSX

Intel, OpenBSD…)

Integrated support for

configuration management

New refactoring support Unicode support/improvements IDE improvements (see assistant) Direct code checking (“red

squiggly underlines)

Integrated learning support Extended static checking

(difficult!)

Others (see assistant)

Traffic-related:

  • Streets and cars (traffic

lights, speed limits…)

  • People with schedules for their

day and first person view for traveling

  • Real buildings (Migros,

Churches, Hauptbahnhof…)

  • Schedules for buses, trams

etc., read from the Internet

  • Topological information: river,

lake, mountains, boats, parks…

  • …
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This is a software architecture project

Design quality is essential Large-group projects: must be organized like an industrial project Configuration management Documentation Quality standards (analysis, design, implementation) Should be useful (“Eat your own dog food! ”)

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The public presentation

June 29th, Hauptgebäude All projects will be demonstrated The best projects will be selected for presentation The best of the best will be included in future releases of Open-Source EiffelStudio

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Next week (12 April)

Emmanuel Stapf, EiffelSoftware EiffelStudio code walkthrough!

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The Big Red Button

http://origo.ethz.ch/unlock-eiffel/

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End lecture 1