TDC2018SP | Trilha XP - Padrões de código para sistemas críticos

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TDC 2018 | São Paulo
Padrões de código para sistemas críticos
19/07/2018
Marcelo Masahiko Miyake
Desenvolvedor na Atech

2. www.companyname.com
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3. www.companyname.com
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4. www.companyname.com
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Boeing 777
Boeing 787
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Exemplo do que significa mais funcionalidades:
Aumento do número de linhas de código do Boeing 777 para o Boeing 787
Fonte: Developing safety-critical software – A practical guide for aviation software and DO-178C compliance / Leanna Rierson.

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int soma(int a, int b) {
int res = a + b;
return res;
}

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int soma(int a, int b) {
int res = a + b;
log("%d + %d = %d", a, b, res);
return res;
}

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int soma(int a, int b) {
int res = a + b;
log("%d + %d = %d", a, b, res);
return res;
}

8. Infraestrutura Imutável
Tamanho
X MB
Tamanho
X MB

9. Tamanho
X MB
Infraestrutura Mutável
Infraestrutura Imutável
Tamanho
X+Δ MB
Tamanho
X MB
Tamanho
X MB

10. Requisitos de Sistema
Requisitos de Software
de Alto Nível
Requisitos de Software
de Baixo Nível
Código Fonte
Software: LDRA tool suite

11. Fonte: https://stackoverflow.com/questions/4092914/java-try-catch-finally-best-practices-while-acquiring-closing-resources
ObjectOutputStream oos = new ObjectOutputStream(fileOutputStream);
oos.writeObject(shapes);

12. Fonte: https://stackoverflow.com/questions/4092914/java-try-catch-finally-best-practices-while-acquiring-closing-resources
ObjectOutputStream oos = null;
try {
oos = new ObjectOutputStream(fileOutputStream);
oos.writeObject(shapes);
oos.flush();
} catch (FileNotFoundException ex) {
// complain to user
} catch (IOException ex) {
// notify user
} finally {
if (oos != null) {
try {
oos.close();
} catch (IOException ex) {
// ignore ... any significant errors should already have been
// reported via an IOException from the final flush.
}
}
}

13. Fonte: https://stackoverflow.com/questions/4092914/java-try-catch-finally-best-practices-while-acquiring-closing-resources
ObjectOutputStream oos = null;
try {
oos = new ObjectOutputStream(fileOutputStream);
oos.writeObject(shapes);
oos.flush();
} catch (FileNotFoundException ex) {
// complain to user
} catch (IOException ex) {
// notify user
} finally {
if (oos != null) {
try {
oos.close();
} catch (IOException ex) {
// ignore ... any significant errors should already have been
// reported via an IOException from the final flush.
}
}
}

14. Especificação
com exemplos
Lorem ipsum dolor sit
amet, consectetur
adipiscing elit, sed do
eiusmod tempor incididunt
ut labore et dolore magna
aliqua. Ut enim ad minim
veniam, quis nostrud
exercitation ullamco
laboris nisi ut aliquip ex ea
commodo consequat. Duis
aute irure dolor in
reprehenderit in voluptate
velit esse cillum dolore eu
fugiat nulla pariatur.
Excepteur sint occaecat
cupidatat non proident,
sunt in culpa qui officia
deserunt mollit anim id est
laborum. Sed ut
perspiciatis unde omnis
iste natus error sit
voluptatem accusantium
doloremque laudantium,
totam rem aperiam, eaque
ipsa quae ab illo inventore
veritatis et quasi architecto
beatae vitae dicta sunt
explicabo. Nemo enim
ipsam voluptatem quia
voluptas sit aspernatur aut
odit aut fugit, sed quia
consequuntur magni
dolores eos qui ratione
voluptatem sequi nesciunt.
Neque
Analistas de Sistemas
Devs
Testers
Clientes
Computadores
User Stories e User Cases
em linguagem obíqua
(Ex: Given-When-Then)

15. Especificação
com exemplos
Lorem ipsum dolor sit
amet, consectetur
adipiscing elit, sed do
eiusmod tempor incididunt
ut labore et dolore magna
aliqua. Ut enim ad minim
veniam, quis nostrud
exercitation ullamco
laboris nisi ut aliquip ex ea
commodo consequat. Duis
aute irure dolor in
reprehenderit in voluptate
velit esse cillum dolore eu
fugiat nulla pariatur.
Excepteur sint occaecat
cupidatat non proident,
sunt in culpa qui officia
deserunt mollit anim id est
laborum. Sed ut
perspiciatis unde omnis
iste natus error sit
voluptatem accusantium
doloremque laudantium,
totam rem aperiam, eaque
ipsa quae ab illo inventore
veritatis et quasi architecto
beatae vitae dicta sunt
explicabo. Nemo enim
ipsam voluptatem quia
voluptas sit aspernatur aut
odit aut fugit, sed quia
consequuntur magni
dolores eos qui ratione
voluptatem sequi nesciunt.
Neque
Analistas de Sistemas
Devs
Testers
Clientes
Computadores
User Stories e User Cases
em linguagem obíqua
(Ex: Given-When-Then)

16. Especificação
com exemplos
Lorem ipsum dolor sit
amet, consectetur
adipiscing elit, sed do
eiusmod tempor incididunt
ut labore et dolore magna
aliqua. Ut enim ad minim
veniam, quis nostrud
exercitation ullamco
laboris nisi ut aliquip ex ea
commodo consequat. Duis
aute irure dolor in
reprehenderit in voluptate
velit esse cillum dolore eu
fugiat nulla pariatur.
Excepteur sint occaecat
cupidatat non proident,
sunt in culpa qui officia
deserunt mollit anim id est
laborum. Sed ut
perspiciatis unde omnis
iste natus error sit
voluptatem accusantium
doloremque laudantium,
totam rem aperiam, eaque
ipsa quae ab illo inventore
veritatis et quasi architecto
beatae vitae dicta sunt
explicabo. Nemo enim
ipsam voluptatem quia
voluptas sit aspernatur aut
odit aut fugit, sed quia
consequuntur magni
dolores eos qui ratione
voluptatem sequi nesciunt.
Neque
Analistas de Sistemas
Devs
Testers
Clientes
Computadores
User Stories e User Cases
em linguagem obíqua
(Ex: Given-When-Then)
Software: Serenity

17. Software: SonarQube

19. “sistemas críticos”
130.000 resultados
“equipe inovadora”
4.810 resultados

20. “sistemas críticos”
130.000 resultados
“equipe inovadora”
4.810 resultados
“sistemas críticos” + “equipe inovadora”
5 resultados

21. www.companyname.com
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21
Brasília
www.atech.com.br
Rio de Janeiro São José dos Campos São Paulo
Marcelo Masahiko Miyake
mmiyake@atech.com.br