Tools and Methodologies for GMF

Aurélien Pupier R&D Engineer, Studio Project Leader

GMF-Runtime Committer @apupier

EclipseDay Delft , September 27, 2012

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Agenda

Show me a GMF editor

GMF Big Picture

Methodologies

Tooling

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GMF BIG PICTURE

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GMF

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GMF Basic Workflow

Semantic Model (ecore)

Diagram Model

GMF codegen

Diagram code

Mapping

Code generation

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What happens after the first generation?

Requirements update

Introduce specific behavior

I’m not able to do a one shot!

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METHODOLOGIES

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Update the model!

Straightforward

Best maintainability

Easiest solution

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GMF Extension points

24

Classical Eclipse way

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Extension points – Typical pattern

Custom Diagram PLUG-IN

CustomXXXEditPartProvider CustomXXXEditPart

GENERATED Diagram PLUG-IN

extends extends

XXXEditPartProvider XXXEditPart

Reference

Reference

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Generation templates

When?

Apply to a whole kind of elements

Ultimately

Useful for:

Regeneration

New element introduced

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Generation aspect templates

Reduce amount of code to maintain

Avoid code duplication

Down grain from class to method

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Generation aspect templates

.xpt

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Another tip to reduce size of custom generation templates?

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Utility plugin – why?

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Utility plugin – how?

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Modify Generated code

@Generated NOT

Sandbox

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Projects Structure (1/2)

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Projects Structure (2/2)

Generation Templates

Semantic Model

Diagram Model

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GMF Workflow Semantic

Model (ecore)

Diagram Model

GMF codegen

Diagram code

Mapping

Code generation

Extension points

Aspect Template

Utility plugin

Model

Model

TOOLING

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GMF-Tooling

Official tooling of GMF

● Several editors

● Wizards

● GMF Dashboard

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SWTBot4GEF

Automated UI tests

Simple API:

click

drag

select

activateTool

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Code generation Ant Task

Generate code at build time

Avoid reconcilier issues

Avoid modification of your sandbox commited

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OCL Editor and Interpreter

Write and Test constraints

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Simple Mapping Editor (1/2)

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Simple Mapping Editor (2/2)

All-in-one editor

Keep separation of concerns available

Eating your own dog food

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EDapt

Big underlying model modifications

PoC for BOS 6.0

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Keep in mind

Great tooling ecosystem

Proven methodologies for continuous improvement

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To go further

Eclipse GMF Forum: http://www.eclipse.org/forums/index.php/f/16/

Eclipse GMF Wiki: http://wiki.eclipse.org/GMF

Talk together

aurelien.pupier@bonitasoft.com

Twitter: @apupier

Eclipse blog: www.bonitasoft.org/blog/category/eclipse

Talk to me about Bonita, BPMN2, Eclipse Modeling and more

Company: www.bonitasoft.com

Community: www.bonitasoft.org

Twitter: @bonitasoft