Dynamic and Generic Manipulation of Models: From Introspection to Scripting

Dynamic and Generic Manipulation of Models : from Introspection to Scripting ,[object Object],[object Object],[object Object],Models 2006, Genova

Motivation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Outline ,[object Object],[object Object],[object Object]

Reflective Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Using Reflective Interfaces 1. Assignment a = factory.createAssignment(); 2. Variable v1 = factory.createVariable() ; 3. v1.setIdentifier("v1") ; 4. a.setLeft (v1); 1. EClass assignClass = (EClass) pkg.getEClassifier("Assignment") ; 2. EObject a = factory.create( assignClass ) ; 3. EClass varClass = (EClass) pkg.getEClassifier("Variable") ; 4. EObject v1 = factory.create( varClass ) ; 5. EStructuralFeature metaatt = varClass.getEStructuralFeatur("identifier") ; 6. v1.eSet( metaatt , "v1") ; 7. EStructuralFeature metaref = assignClass.getEStructuralFeature("left") ; 8. a.eSet( metaref , v1) ; Reflective version Metamodel-specific version

Using Reflective Interfaces ,[object Object],[object Object],[object Object],[object Object],[object Object]

Using Reflective Interfaces ,[object Object],[object Object],[object Object],Model2 Model1 Meta model2 Meta model1 Metamodel-neutral manipulation {XMI serialisation, Model extraction, ...} Multilevel manipulation {model copy, model2text, ...}

Scripting ,[object Object],[object Object],[object Object],[object Object],[object Object]

Model Scripting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Model Scripting : Principles ,[object Object]

Model Scripting : Principles ,[object Object],[object Object],[object Object],[object Object],[object Object]

Model Scripting : Principles ,[object Object],[object Object],[object Object],[object Object],[object Object],T(“elt.att = value “) => elt.setAttValue( (elt.modelClass()).lookupAtt(att) , value)

Model Scripting : Principles ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

EMFScript ,[object Object],[object Object],[object Object],[object Object],[object Object]

Scripting version ,[object Object],[object Object],[object Object],1. assign = miniLangMM.$Assignment.create(); 2. v1 = miniLang.$Variable.create(); 3. v1.identifier = "v1" ; 4. assign.left = v1;

Metamodel Manipulation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Generic Manipulation 1. function ensureExistance(elt, linkName) { 2. metaref = elt.eClass() [linkName] ; 3. if (metaref.containment && 4. elt[linkName] == null) { 5. subElt = metaref.eType.create () ; 6. elt[linkName] = subElt ; 7. } 8. } ,[object Object],[object Object]

Conclusion & Future Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Availability ,[object Object],[object Object]

Dynamic and Generic Manipulation of Models: From Introspection to Scripting

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Dynamic and Generic Manipulation of Models: From Introspection to Scripting