Object Oriented Software Construction 30/12/2004 10:57 PM. 0. Department of
Computer Science, York University. COSC6442 – Object Oriented Software.
COSC6442 – Object Oriented Software Construction Core Concepts and Tools
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Note See 3311 course website Initial slides the same
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Core Concepts (1) Core OO technologies o o o o o o o
classes vs. objects Clusters Polymorphism Genericity multiple inheritance Contracts (specification vs. implementation) tuples and agents
Plan-driven vs. Test-Driven Development (TDD) Design By Contract (DbC)
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Core Concepts (2) Design Patterns Architectural Diagrams (BON) Tools o Estudio: Integrated Development Environments (including Debuggers and Documentation Tools) o ETest: Testing Tools
An adequately documented relatively large project
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Advanced Topics Simple Concurrent Object Oriented Programming (SCOOP) Event Driven Programming and Statecharts Model Driven Development Formal Methods
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Tentative Grading
15% - Assignment 1 [due January 27th]. [Team of up to 2] 10% - Write a (max. 10 page) MDD or Metamodelling tutorial with one complete motivating problem [Individual] 10% - Do a 10 minute presentation of your paper or your project after reading week [Individual] 65% - FIT project in Eiffel [Team] o 25% - phase 1 after reading week o 40% - phase 2 at end of term
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Tools: ec55, Estudio and ETest Prism (Linux): o Write a "Hello World" program in the York CSE Prism Lab (Linux) using the command line compiler (ec55) and clean out your directories (eclean) o Use the Estudio IDE and ETest GUI to write a unit test, compile it, and run the test. o Learn how to use the debugger
For your home computer: o Download the free version of EiffelStudio V5.5 from www.eiffel.com. o Install Etest.
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Tutorials Invitation to Eiffel EiffelStudio: A Guided Tour Macromedia Flash introductions to various Eiffel topics.
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Command Line Compiler Need a Root Class with a creation feature: root_class.e Need and Ace file: hello_world.ace Command line compiler ec55
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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An Eiffel Class – root_class.e class ROOT_CLASS create make feature make is -- Print Hello World do print ("Hello World") end end
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Ace File – hello_world.ace system "hello_world" root ROOT_CLASS: make cluster -- Hello World Application root_cluster: ". " -- BASE library base: "$ISE_EIFFEL/library/base" exclude "table_eiffel3"; "desc"; end end Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Command line compiler – ec55
red% ec55 -ace hello_world.ace -c_compile Eiffel compilation manager [ 0% - 2] Degree 6 cluster root_cluster [ 5% - 20] Degree 6 cluster base [ 10% - 19] Degree 6 cluster base.event [ 15% - 18] Degree 6 cluster base.kernel [ 20% - 17] Degree 6 cluster base.kernel.classic ... C compilation completed
red% cd EIFGEN/W_code/ red% ls C1/ C3/ C5/ C7/ E1/ Makefile.SH config.sh hello_world.melted C2/ C4/ C6/ C8/ Makefile TRANSLAT hello_world*
red% ./hello_world Hello World
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Directory Structure (Hello World) Root cluster
root cluster
base cluster
files Ace.ace root_class.e
directory (cluster)
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Object Oriented Software Construction
30/12/2004 10:57 PM
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Bigger Projects Root cluster
cluster Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Interactive Development Environment Within a single GUI called Estudio o o o o o o o o
Automatically generate Ace file Edit code Compile code Run program Debug program BON architectural diagrams Automatically generate documentation Metrics
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Initial estudio window Select a button For create a new project, press NEXT, and see next slides. For open existing Ace file, press NEXT, and follow Instructions. For open compiled project select epr file, then press OK.
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Notes DO NOT use o estudio55 & o sysin and sysout will not work with estudio in the background
Each instance of estudio55 can only work with one system (project) at a time. o To run two or more systems simultaneously requires starting an instance of estudio55 for each system.
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Eiffel on Prism Use ACE files to describe o the files comprising your system o how to execute it o examples in Eiffel directory /cs/local/packages/Eiffel55/examples
Compilation vs finalizing Other Eiffel compilers o SmallEiffel (free!) o Visual Eiffel o Free ISE Eiffel – sufficient for the course www.eiffel.com
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Initial project settings
Edit fields for your system
COMPILE or DO NOT COMPILE AT THIS TIME
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Object Oriented Software Construction
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Modify project settings
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Object Oriented Software Construction
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Set precompile library & assertion check Can add clusters from this sub-window
Select all assertions Select library base+time+etest Press OK
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Object Oriented Software Construction
30/12/2004 10:57 PM
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Useful buttons Run the program
Run in debug mode
Create a new class
Compile your program
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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ETest On Prism: etest& Compile via Estudio so as to produce an executable Select EIFGEN/W_code/executable Press Run Test
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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ETest Runs tests automatically and displays them o Green bar o Red bar
Archive your code Eclean your code Small editing changes and recompilation
Department of Computer Science, York University
Object Oriented Software Construction
30/12/2004 10:57 PM
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