Slides que apresentei no primeiro JavaOne Brasil em 2010 sobre a nova versão 2.0 do framework Demoiselle. Para mais detalhes, acesse: http://cleversonsacramento.wordpress.com/2010/12/14/o-primeiro-javaone-no-brasil/

1. framework
demoiselle
2.0

4. / zyc
cleversonsacramento. . com
/ robsonximenes
robsonximenes@ .com

5. 2.0

6. ago2010
1.1.5 nov2009
1.1.0
dez2010
1.2.0
abr2009
1.0.3
dez2010
dez2008
2.0.0-B2 1.0
mar2008
0.1
dez2010
2.0.0

8. JBoss?
Eclipse?
JSF?
Hibernate?
AspectJ?

9. Spring? Guice?
Seam?

11. context and
dependency
injection
jsr 299

13. core
extensions
jpa jsf swing
components

14. transaction
annotation stereotype
br.gov.frameworkdemoiselle template
message
exception util

15. bootstrap interceptor
br.gov.frameworkdemoiselle. internal
proxy
impl
factory

17. class A {
}
class B {
@Inject
A a;
}

18. class B {
@Inject
FacesContext context;
}

19. class FacesContextFactory {
@Produces
public FacesContext create() {
return FacesContext.getCurrentInstance();
}
}

20. class LoggerFactory {
@Produces
public Logger create(InjectionPoint ip) {
return create(ip.getMember().getDeclaringClass());
}
private Logger create(Class type) {
Logger logger = LoggerFactory.getLogger(type);
return new LoggerProxy(logger);
}
}

21. class A {
@Inject
EntityManager em;
public inserir (String s) {...}
}
class B {
@Inject A a;
@Transactional
public carga () {
a.inserir(“1”);
a.inserir(“2”);
}
}

22. @InterceptorBinding
@Target({METHOD, TYPE})
public @interface Transactional { }

23. @Interceptor @Transactional
class TransactionInterceptor {
...
@AroundInvoke
public Object manage(InvocationContext ctx) {
initiate(); // begin
Object result = null;
try {
result = ctx.proceed();
} catch (Exception cause) {
handleException(cause); // marca para rollback
throw cause;
} finally {
complete(); // commit ou rollback
}
return result;
}
}

24. # demoiselle.properties
frameworkdemoiselle.transaction.class=
br.gov.frameworkdemoiselle.transaction.NoTransaction*
br.gov.frameworkdemoiselle.transaction.JPATransaction
br.gov.frameworkdemoiselle.transaction.JTATransaction
seupacote.SuaEstrategiaDeTransacao

25. class B {
@Startup @Transactional
public carga () {…}
@Shutdown @Transactional
public descarga () {…}
}

26. @PersistenceController
class A {
@Inject
EntityManager em;
}
@BusinessController
class B {
@Inject A a;
}

27. @Controller
@Stereotype
@Target(TYPE)
public @interface PersistenceController { }
@Controller
@Stereotype
@Target(TYPE)
public @interface BusinessController { }

29. quitetura cebol
r
a
a

30. @Controller
@Stereotype
@Target(TYPE)
public @interface PersistenceController { }
@Controller
@Stereotype
@Target(TYPE)
public @interface BusinessController { }

31. @BusinessController
class B {
@Startup @Transactional
public carga () {…}
@ExceptionHandler
public trata (CrecaException e) {…}
}

32. @Interceptor @Controller
class TransactionInterceptor {
...
@AroundInvoke
public Object manage(InvocationContext ctx) {
Object result = null;
try {
result = ctx.proceed();
} catch (Exception cause) {
if (!handleException(cause)) { // delega aos tratadores
throw cause;
}
}
return result;
}
}

33. http://demoiselle.svn.sf.net/svnroot/demoiselle/framework
/branches/demoiselle-2.0

34. forum
.frameworkdemoiselle.gov.br

35. demoiselle-proposal