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FSE-18. Ottawa Carleton Institute for Computer Science. Applying a Research Prototype Tool in Industrial Practice. Umple: a Model Oriented Programming Language. University of Ottawa. Presented By : Omar Badreddin Supervised By : Timothy C. Lethbridge.

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Ottawa Carleton Institute for Computer Science

Applying a Research Prototype

Tool in Industrial Practice

Umple: a Model Oriented Programming Language

University of Ottawa

Presented By: Omar Badreddin

Supervised By: Timothy C. Lethbridge

9 November 2014

demo umple online
Demo: Umple Online

Demo: Eclipse Plug-in

so what is umple
So what is Umple?
  • Model-oriented programming
  • Adds UML abstractions to any OO language
    • Class and state diagrams
  • Removes boilerplate code
  • Allows simultaneous textual and diagrammatic modeling
  • Eliminates round-tripping
    • Don’t edit generated code, just embed your custom code
state machine implementation
State machine implementation

Editor Tests

Tokens Tests

Meta-Model Tests

Generated Code Tests

Generated System Tests

Umple Textual Editor

Total Number of tests: > 1644

Eclipse 3.4, 3.5, and 3.6

Vista, XP, MAC

remaining work
Remaining Work
  • Refine implementation of Nested and concurrent states
  • Build more examples
  • Complete the grounded theory study of Umple users
  • Model versioning and UML action language (next slide)
model versionning and merging
Model Versionning and Merging
  • RSA: 712 – (~ 80 layout information) = 632.
  • Umple: About 35 lines of code (without layout information)
uml action language
UML Action Language
  • Proposed ALs are textual
  • Umple’s action language is Java or Php.
  • Using a bottom up approach to achieve a better action language by:
    • Restricting existing OO language

(limit access to internal representation of state machine)

    • Defining additional abstractions

(event names)

    • Using language independent syntax

(Boolean expressions)

research questions
Research Questions
  • To what extent do software developers use state machines to model system behavior and specifications? What are the major factors behind that level of adoption?
  • Can the gap between state machine diagrams and code be minimized by incorporating core state machine abstractions in a high-level programming-like language?
  • To what extent could systems that do not use state machines abstractions be made to use them?
  • H 1: Software developers can develop software more effectively if they can develop state machines in a similar manner to which they develop code.
  • H 2: State machine adoption in the software industry can be enhanced if core state machine concepts are incorporated in programming-like textual language.

“The biggest payoff will not come from new research but from putting old ideas into practice” Pernars, D. ACM Fellow

code island
Code Island

Model Island

code generation
Code Generation

Reverse Engineering

in umple island you get the best of both
In Umple Island, you get the best of both

Introduction 4

Model in Code

Code in Model

model versioning and merging
Model Versioning and Merging
  • Existing tools use the XMI for persistence of models
  • XMI is relatively larger in size, high probability of conflicts
  • Software repositories do a good job with versioning and merging of code.
  • Umple syntax is highly concise and abstract