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J- oy. J- oy & Software Development. Development approaches. Traditional development problems: Design many use cases following the same pattern, Code many use cases following the same pattern, Keep model up-to-date (design models are usually outdated)

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slide1

J-oy

J-oy & Software Development

development approaches
Developmentapproaches
  • Traditional development problems:
  • Design many use cases following the same pattern,
  • Code many use cases following the same pattern,
  • Keep model up-to-date (design models are usually outdated)
  • Traditional Model Driven Software Development problems:
  • Generated code needs to be tailored. Once it happens changes in earlier work products must be manually applied to generated code or a new set of automatically generated pieces of code is created and changes must be manually reapplied to it.
model driven generation approach
ModelDrivenGenerationApproach

Database

UML Editor

DatabaseModel

Entities

Model

Generated

files

Files

XMI

XMI

XMI

XMI

J-oy

J-oy

J-oy

J-oy Templates

Template

Template

chain languages
Chainlanguages

Database

DomainSpecificLanguage

TechnologySpecific

UML Editor

DatabaseModel

Entities

Model

Generated

files

Files

XMI

XMI

XMI

XMI

J-oy

J-oy

J-oy

J-oy Templates

Template

Template

process design best practices reduce the number of steps in the generation chain
ProcessdesignbestpracticesReduce thenumber of steps in thegenerationchain

Database

Thenumber of steps in thegeneration-chainmustbeminimized in orderto reduce theamount of conflictsresolutionsteps

UML Editor

DatabaseModel

Entities

Model

Generated

files

Files

XMI

XMI

XMI

XMI

J-oy

J-oy

J-oy

J-oy Templates

Template

Template

process design best practices how to avoid touching generated files
ProcessdesignbestpracticesHowtoavoidtouchinggenerated files

Database

UML extension

strategies

  • Stereotypes
  • TaggedValues

UML Editor

DatabaseModel

Entities

Model

Generated

files

Files

XMI

XMI

XMI

XMI

J-oy

J-oy

J-oy

J-oy Templates

Template

Template

process design best practices how to avoid touching generated files1
ProcessdesignbestpracticesHowtoavoidtouchinggenerated files

Database

UML Editor

DatabaseModel

Entities

Model

Generated

files

Files

XMI

XMI

XMI

XMI

J-oy

Customizetemplate

Customizetemplate

J-oy

J-oy

J-oy Templates

Template

Template

process design best practices how to avoid touching generated files2
ProcessdesignbestpracticesHowtoavoidtouchinggenerated files

Database

UML Editor

DatabaseModel

Entities

Model

Generated

files

Technologyspecificstrategiesforsperatinggenerated files fromcontentthatneedstobemanuallymodified

Files

  • Invokehelperclasses´ nethodsfromgeneratedcode.
  • Invokehelper scripts (i.e.Groovy) fromgeneratedcode.
  • Invokehelperjavascriptfunctionsfromgeneratedcode.
  • Use inheritanceforcustomization and factoryclassesforinstantiatingextensionclassestransparently.
  • Identifyareas in whichcustomcode can beinsertedorgeneratedcode can beeditedbyusingmarks and an a toolforautomaticallymerging files.
  • CodeinjectionbyusingAspectOrientedProgramming.
  • etc.

XMI

XMI

XMI

XMI

J-oy

J-oy

J-oy

J-oy Templates

Template

Template

models are now useful
Models are nowuseful

Database

Modelswillremainupdated as long as they are useful

UML Editor

DatabaseModel

Entities

Model

Generated

files

Files

XMI

XMI

XMI

XMI

J-oy

J-oy

J-oy

J-oy Templates

Template

Template

use your imagination
Use yourimagination

Generated files can beanything.

Database

  • Application files
  • Mavenpoms
  • JSF navigation
  • CRUDs: JSF, JSP, classes
  • Menus
  • UML Design
  • etc.

UML Editor

DatabaseModel

Entities

Model

Generated

files

Files

XMI

XMI

XMI

XMI

J-oy

J-oy

J-oy

J-oy Templates

Template

Template

futher questions
Futherquestions
  • Ifyouwanttocontribute, haveanyquestionorsuggestion, pleasecontactus at:
      • info.joy.team@gmail.com