Juha-Pekka Tolvanen

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Domain-Specific Modeling Languages and
Generators-Examples

• 4.11.2002
• Juha-Pekka Tolvanen
• MetaCase Consulting

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Selected samples

• Financial products
• Java
• Notes apps
• Notes definitions, checkings and documentation
• Web-application
• XML, Java, stylesheets
• Voicemenu for micro controller systems
• Assembler-like
• Embedded product
• Java, MIDP

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Case Insurance products eCommerce

• Developing portal for insurances and financial
  products
• Marketplace and broker
• Need to specify several hundred financial
  products
• Insurance experts specify visually insurance
  products and generate code to the portal
• Basic data structures and engine reflect the
  architecture
• Capture insurance knowledge in the graphical form
• Reusable component library for data structures
  and functionality
• Code generators produces running Java (100 of
  the code needed)
• Comparison to writing directly Java after first
  30 products DSVL at least 3 times faster

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Case Notes

• Modeling method for Notes applications
• Apply Notes concepts directly in designs
• Documentation generators according to company
  standards for internal use and for customers

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Case Web application

• Web application for e-commerce product catalogs,
  events, press releases, and discussion forums
• Core components and basic functionality available
  for reuse and customization needs
• Each customer can specify own data content,
  behavioral logic and user interface
• Code generators produce running Java applets,
  stylesheets and xml files
• Generation of documents for both internal and
  external use

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Case VoiceMenu for micro controller app

• VoiceMenu for micro controller based home
  automation system
• Remote control for lights, heating, alarms, etc.
• VoiceMenus are programmed straight to the device
  with assembler-like language (8bit)
• Modelling language to define overall menu
  structure and individual voice prompts
• Code generator produces 100 of menu
  implementation
• Development time for a feature from a week to a
  day

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Case Wrist watches product family

• Product family
• Different watch models Sport, Kid, Traveler,
  Diver, Luxery etc.
• Common architecture of time-based applications
• Time, Timer, LapTime, WorldTime, StopWatch,
  Alarm, etc.
• Family-specific language and generators
• New models specified with high-level watch
  concepts
• Alarms, buttons, displays, icons, states, etc.
• Code generators to produce 100 implementation in
  Java from graphical models

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Thank you, questions please