Managing variability in software applications - scandev12

Managing variability insoftware applications

Managing variability in software applications

About me

Stephan Hochdörfer, bitExpert AG

Department Manager Research Labs

S.Hochdoerfer@bitExpert.de

@shochdoerfer

One customer, optimized solution

Developer vs. Businessman

Different requirements

Different requirements: intensive workload

Different requirements: Performance

Where will this lead to?

Maintanance nightmare!

Standardize you should!

Application framework?

Plugin based approach?

Configuration chaos?

No automation?

Generalize you should!

Generative Programming

Dealing with software system families, reusable

implementation components and configuration knowledge.

Generative Programming: The workflow

GeneratorGenerator

Configuration(DSL)

GeneratorGenerator

Configuration(DSL)

Implementation-components

Implementation-components GeneratorGenerator

Configuration(DSL)

ProductProduct

Configuration(DSL)

Customer 1Customer 1

Configuration(DSL)

Focus on the (software system) family!

Software System Family

Set of applications with similar properties as well as special properties for each individual

member.

Phase 1: Domain analysis

Listen to the customers

Talk to domain experts

Do the requirements make sense?

Does it belong to the family?

Does it belong to the family? Maybe...

Does it belong to the family? No!

Phase 2: Domain design

Feature Modelling

Phase 3: Domain implementation

Implementation components

Configuration Knowledge

Generator

Domain Engineering

Domain-analysis

Domain-design

Domain-implementation

Generator Product

Domain Engineering App. Engineering

Domain-analysis

Domain-design

Domain-implementation

Requirementsanalysis

Productconfiguration

Testing andintegration

Newrequirements

Components,DSL,Generators,Infrastructure

Technology projection

Implement the generator...

Standardize you should!

Software generator framework

Generative Programming: The goal

Increasing the productivity, quality, and time-to-market.

Create an optimized application on demand!

Automate the assembling of the components!

Generative Programming: Bonus points

Less error-prone, due to the automation.

Reduce application complexity.

Just one code repository: The software generator

Reduce maintenance support.

FeatureImplementation

component

Feature Customer

Feature

Implementationcomponent

Customer

Generative Programming: The book

Curious for more?

http://replicatorframework.org

Thank you!

Flickr Creditshttp://www.flickr.com/photos/andresrueda/3452940751/

http://www.flickr.com/photos/andresrueda/3455410635/

Managing variability in software applications - scandev12

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