MDSE Book Slides Chapter3

8/17/2019 MDSE Book Slides Chapter3

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Marco Brambilla, Jordi Cabot, Manuel Wimmer.Model-Driven Software Engineering In Practice . Morgan & Claypool 2012.

Teaching material for the booModel-Driven Software Engineering in Practiceby Marco Brambilla, Jordi Cabot, Manuel Wimmer.Morgan & Claypool, !"#, 2012.

www.mdse-book.com

M$"% !"% C#"%"

Chapter #


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M$"% '%" (#) B%*'+$C'$% %+%)#T-'+


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M$"% ha many application/ M$$ i u t the tip of the

iceberg/ #nd M$# a pecific

reali ation3 of M$$ 4hen

u ing 'M tandard


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Three iller M$"% applicationCode

Generation

Software

Modernization

Systems

interoperabilit


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M$$ contribution9 Communication/ Model capture and organi e the under tanding of the

y tem 4ithin a group of people/ Model a lingua franca bet4een actor from bu ine

and -T di:i ion


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M$$ contribution9 8roducti:ity/ M$$ ; emi


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%=ecutable model/ #n e=ecutable model i a model complete enough to be

e=ecutable/ (rom a theoretical point of :ie4, a model i e=ecutable

4hen its operational semantics are f ll$ specified/ -n practice, the e=ecutability of a model may depend on

the adopted e=ecution engine/ model 4hich are not entirely pecified but that can be e=ecuted by

ome ad:anced tool that are able to fill the gap

/ Completely formali ed model that cannot be e=ecuted becau e anappropriate e=ecution engine i mi ing.


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"mart : dumb e=ecution engine/ C)!$ operation typically account for >0? of the o:erall

oft4are functionality/ @uge pared effort through imple generation rule


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%=ecutable model/ Mo t popular9 %=ecutable !M6 model/ %=ecutable !M6 de:elopment method ;=!M6< initially

propo ed by "te:e Mellor/

Ba ed on an action language ; ind of imperati:ep eudocode<

/ Current tandard/ (oundational "ub et for %=ecutable !M6 Model ;f!M6</ #ction language i the #ction 6anguage for f!M6 ;#lf<

/ ba ically a te=tual notation for !M6 beha:ior that can be attached to a!M6 model


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%=ecutable model 9 2 main approache

/ Code generation 9 generating running code from a higherle:el model in order to create a 4or ing application/ by mean of a rule ba ed template engine/ common -$% tool can be u ed to render the ource code

produced

/ Model interpretation 9 interpreting the model andma ing them run

/ +on empty inter ection bet4een the t4o option


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Code eneration/ oal9 generating running code from higher le:el model

/ 6i e compiler producing e=ecutable binary file from ource code/ #l o no4n a model compiler

/ 'nce the ource code i generated tate of the art -$%can be u ed to manipulate the code


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Code eneration9 "cope


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Code eneration9 Benefit/ -ntellectual property/ "eparation of modeling and e=ecution/ Multi platform generation

/ enerator impler than interpreter/ )eu e of e=i ting artefact/ #daptation to enterpri e policie/ Better performance


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Code eneration9 8artial eneration/ -nput model are not complete & code generator i not

mart enough to deri:e or gue the mi ing information/ 8rogrammer 4ill need to complete the code manually/

Ca tion% Brea ing the generation cycle i dangerou

Sol tions&/ $efining protected area in the code, 4hich are the one

to be manually edited by the de:eloper / ! ing round trip engineering tool ;not many a:ailable</ Better to do complete generation of part of the y tem

in tead of partial generation of the full y tem


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Code eneration9 Turing te t/ # human udge e=amine the code generated by one

programmer and one code generation tool for the ameformal pecification. -f the udge cannot reliably tell thetool from the human, the tool i aid to ha:e pa ed thete t


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Model interpretation/ # generic engine par e and e=ecute the model on the fly u ing an

interpretation approach

/ Benefit

/ (a ter change & Tran parent ;re


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eneration and interpretation/ Can be u ed together in the ame proce

/ -nterpretation at early protoyyping A debugging time/ eneration for production and deployment

/ @ybrid olution are po ible9/ Model interpretation ba ed on internal code generation

implementation/ Code generation that relie on predefined, configurable

component A frame4or at runtime. The generated code i e.g.,M6 de criptor A configuration of the component


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-nteroperability/ #bility of t4o or more y tem to e=change information

;-%%%<

/ +eeded for collaborati:e 4or ;e.g. u ing different tool


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Model $ri:en -nteroperability/ M$"% techniDue to bridge the interoperability gap

/ The metamodel ;i.e. chema 3< of the t4o y tem aremade e=plicit and aligned

/ Tran formation follo4 the alignment to mo:e information/ -n ector ;te=t to model< repre ent y tem # data a a model

; yntactic tran formation</ M2M tran formation adapt the data to y tem B metamodel

; emantic tran formation</ %=tractor ;model to te=t< generate the final "y tem B output data

; yntactic tran formation


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M$-9 lobal chema


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+eed for re:er e engineering


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Model dri:en re:er e engineering/ 'h$( Model pro:ide an homogeneou and interrelated

repre entation of all legacy component .+o information lo 9 initial model ha:e a 191corre pondance 4ith the code

Discover

Models

)nderstand

Viewpoints

*egenerate

NewSoftware Artifacts

egacy artifacts : source code con guration lestests

databases etc.


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Model $ri:en -nteroperability9 %=ample

C'B'6 model

Modeldiscover$

C'B'6s$stem

C'B'6 metamodel

T2M

Modelnderstanding

Modelgeneration

!M6models

!M6metamodel

M2M

M2M ;refactoring <

Ja:amodel

Ja:as$stem

Ja:ametamodel

M2M M2T


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Marco Brambilla, Jordi Cabot, Manuel Wimmer.

Teaching material for the booModel-Driven Software Engineering in Practiceby Marco Brambilla, Jordi Cabot, Manuel Wimmer.Morgan & Claypool, !"#, 2012.

www mdse book com

M!DE+-D*I,E S! /'0*EE 1I EE*I 1 I P*0C/ICEMarco Brambilla,Jordi Cabot,Manuel Wimmer.

Morgan & Claypool, !"#, 2012.444.md e boo .com444.morganclaypool.com or buy it at9 444.ama on.com
http://www.mdse-book.com/http://www.morganclaypool.com/http://www.amazon.com/gp/product/1608458822/ref=as_li_tf_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1608458822&linkCode=as2&tag=marbramoddris-20http://www.amazon.com/gp/product/1608458822/ref=as_li_tf_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1608458822&linkCode=as2&tag=marbramoddris-20http://www.morganclaypool.com/http://www.mdse-book.com/

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MDSE Book Slides Chapter3