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The Live Source Agile Experiment

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Source Agile is an Agile Toolkit

A new technology for your software, clarifying the darkness of programming into an easy to read, step by step summary of the content. Just program well and let Live Source Agile do the rest.

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The Live Source Agile Experiment

  1. 1. The Live Source Code Experiment an AGILE TOOLKIT Plus an experimental tool that shows live code some respect! Alline Watkins & June Clarke
  2. 2. Getting the most of your source code Does your source code lack knowledge? Is it a multiple lined mess that just doesn't make any sense to anyone, even possible you? If you or one of your employees left work now, would others be able to make sense of it? Source Agile is a new technology for your software, clarifying the darkness of programming into an easy to read, step by step summary of the content. Just program well and let Source Agile do the rest.
  3. 3. The Hypotheses Source Code as Live Documentation Source Code as Communication Channel Source Code as Planning Tool Source Code as Software Metrics ? ? ? ? ?
  4. 4. The advantages... Faster communication Less risk of miscommunication (bugs & bad features) Knowledge of domain resides in codebase Overhearing (sit together) Code is easier to understand (maintainable, extensible) Healthier code allows team to respond to change
  5. 5. UBIQUITOUS LANGUAGE & DECOUPLING VERY IMPORTANT:
  6. 6. u·biq·ui·tous /yoo bikwətəs/ˈ͞ Adjective: Present, appearing, or found everywhere. Synonyms: omnipresent (Dictionary.com) UBIQUITOUS LANGUAGE . A language structured around the domain model and used by all team members to connect all the activities of the team with the software. (Excerpted from Domain-Driven Design by Eric Evans) . We understand each other. (Excerpted from The Art of Agile Development by James Shore and Shane Warden, published by O'Reilly. Copyright © 2008 the authors. All rights reserved.)
  7. 7. NO When User logs on with valid credentials, an empty panel is displayed. (from a Tic Tac Toe software example) User Story Example: YES When Player logs on with valid credentials, an empty board game is displayed. (from a Tic Tac Toe game software example)
  8. 8. NO . Integer i = new Integer(); . String char1 = new String(); . public class GameDAO() { } . catch (Exception e) Coding Examples: YES . String realMeaningOfMyString = new String(); . public class ScoreDataLoader() { } . catch (Exception NotLoggedInException) NO . Ambiguities . Inconsistencies . Synonyms . Abbreviations YES . Clarity . Precision . Reuse . Full Names
  9. 9. Tree term2Rest(Tree t, int minprec) { List<Tree[]> savedOd = odStackSupply.elems; Tree[] odStack = newOdStack(); List<Tokens[]> savedOp = opStackSupply.elems; Tokens[] opStack = newOpStack(); // optimization, was odStack = new Tree[...]; opStack = new Tree[...]; int top = 0; odStack[0] = t; int startPos = S.pos(); Tokens topOp = ERROR; while (prec(S.token()) >= minprec) { opStack[top] = topOp; top++; topOp = S.token(); int pos = S.pos(); S.nextToken(); odStack[top] = topOp == INSTANCEOF ? type() : term3(); while (top > 0 && prec(topOp) >= prec(S.token())) { odStack[top-1] = makeOp(pos, topOp, odStack[top-1], odStack[top]); top--; topOp = opStack[top]; } } assert top == 0; t = odStack[0]; if (t.tag == Tree.PLUS) { StringBuffer buf = foldStrings(t); if (buf != null) { t = F.at(startPos).Literal(TypeTags.CLASS, buf.toString()); } } odStackSupply.elems = savedOd; // optimization opStackSupply.elems = savedOp; // optimization return t; } Class com.sun.tools.javac.parser.Parser; REAL WORLD EXAMPLE # Lines of Code = 2.454
  10. 10. Where this fits with Agile Agile manifesto: Working software over comprehensive documentation Values: transparency & unity XP Practices: feedback, pairing,
  11. 11. One step further... Create a medium that allows both stakeholders and programmers to work on code in a high-level manner. Integrate user stories and tasking more tightly with codebase. Let code rule!
  12. 12. The Live Source Code an Agile Experiment The Toolkit:
  13. 13. http://sourceagile.appspot.com
  14. 14. Loading your source code inside the Toolkit
  15. 15. Showing the source code in an easy-to-read way
  16. 16. Offering a Communication Channel
  17. 17. Unit Testing connections and helps
  18. 18. Planning Tool
  19. 19. Automatically generated Live Documentation
  20. 20. Software Metrics
  21. 21. What you get: - keeps the intention of the project in mind - higher quality work (published code is likely to be better) - managers understand the repercussions of what they are asking for - live documentation that is closer to a user manual than javadocs - easier for programmers to argue for time to refactor, [.....] .
  22. 22. alline.oliveira@gmail.com joonspoon@joonspoon.com http://www.slideshare.net/allineoliveira/source-agileexperiment

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