SER516 S20 Lecture 13

Software Agility
Clean Design I
(202103)

Transcript

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   SER 516
   Software Agility
   Lecture 13: Clean Design
   Dr. Javier Gonzalez-Sanchez
   javiergs@asu.edu
   javiergs.engineering.asu.edu | javiergs.com
   PERALTA 230U
   Office Hours: By appointment
   

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   Announcement
   § Quiz 05 is open, and it is due tonight
   Individual Work
   § Midterm Exam - Thu March 11
   § Midterm Review – Tue March 9
   § Final Exam - Thu April 22
   § Final Review – Tue April 20
   

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   Assignment 05
   § 2 Sprints
   Sprint Backlog
   Burndown Chart
   Retrospective
   Review
   Product – Source Code – Clean Source Code
   Product – Class Diagram– Clean Design
   Due date Assignment 5.1 – March 9
   Due date Assignment 5.2 – March 16
   

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   Requirement
   Space 2 …
   Project 4 O
   X
   -
   Space 1
   (
   )
   <
   >
   | |
   -
   @
   Save
   Load
   New Space Compile
   4.
   Compile ?!
   

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   Building a City
   § How to handle all the details?
   Team working
   § But some people is responsible for the big picture, while others focus on
   the details.
   § Architecture
   

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   Goal
   § Be Careful:
   § Big Design Up Front (BDUF)
   § It could Inhibit adapting to
   change
   • Modularized domains
   of concerns
   • Integrated with minimal
   invasive aspects
   (dependencies)
   • It should feel like
   this is the simplest thing…
   

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   Design Principles
   § Concerns and Separation of concerns
   § Dependencies and Dependency Injection
   § Low Coupling
   

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   Separation of concerns
   

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   1. Separate concerns
   § Concern: a matter of interest or importance to someone.
   § Divide and Conquer: each unit should only talk to its friends; don't
   talk to strangers
   

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    Requirement
    Space 2 …
    Project 4 O
    X
    -
    Space 1
    (
    )
    <
    >
    | |
    -
    @
    Save
    Load New Space Compile
    4.
    Compile ?!
    

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    Step 1
    _____ to
    Icons
    _____ to a
    Working area
    _____ to a
    Menu
    

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    Step 1
    PanelLeft
    JMenuBar Main
    JMenu
    JMenuItem JFrame
    JPanel
    Workspace
    

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    Step 1
    PanelLeft
    JMenuBar Main
    JMenu
    JMenuItem JFrame
    JPanel
    Workspace Icon
    *
    A
    B
    C
    ____Listener
    

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    Step 1
    PanelLeft
    JMenuBar Main
    JMenu
    JMenuItem JFrame
    JPanel
    Workspace
    Icon
    *
    A
    B
    C
    ____Listener Graph
    Edge
    Compiler
    

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    Reference
    § Clean Code, Chapter 11.
    

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    SER 516 Software Agility
    Javier Gonzalez-Sanchez
    javiergs@asu.edu
    Spring 2021
    Disclaimer. These slides can only be used as study material for the class SER516 at ASU. They cannot be distributed or used for another purpose.
    

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