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C D G 9 6
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( )
● Japan JBoss User Group
● Red Hat Consultant
● Twitter: @neverbird
2
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5
Application
CDI Container
CDI API
CDI SPI
Extension Extension Extension
●
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fminamot-OSX:base fminamot$ grep -r javax.enterprise.inject.spi.Extension .
Binary file ./org/wildfly/microprofile/opentracing-smallrye/main/wildfly-microprofile-opentracing-smallrye-
7.2.0.GA-redhat-00005.jar matches
Binary file ./org/jboss/jts/main/narayana-jts-idlj-5.9.0.Final-redhat-00001.jar matches
Binary file ./org/jboss/resteasy/resteasy-jaxrs/main/resteasy-client-microprofile-3.6.1.SP2-redhat-00001.jar
matches
Binary file ./org/jboss/resteasy/resteasy-cdi/main/resteasy-cdi-3.6.1.SP2-redhat-00001.jar matches
Binary file ./org/jboss/narayana/txframework/main/txframework-5.9.0.Final-redhat-00001.jar matches
Binary file ./org/jboss/narayana/compensations/main/compensations-5.9.0.Final-redhat-00001.jar matches
Binary file ./org/jberet/jberet-core/main/jberet-core-1.3.1.Final-redhat-00001.jar matches
Binary file ./org/picketlink/core/main/picketlink-impl-2.5.5.SP12-redhat-2.jar matches
Binary file ./org/hibernate/validator/cdi/main/hibernate-validator-cdi-6.0.14.Final-redhat-00001.jar matches
Binary file ./org/glassfish/soteria/main/javax.security.enterprise-1.0.0.redhat-1.jar matches
Binary file ./io/smallrye/config/main/smallrye-config-1.3.4.redhat-00001.jar matches
Binary file ./javax/enterprise/api/main/cdi-api-2.0.0.SP1-redhat-00001.jar matches
Binary file ./com/sun/jsf-impl/main/jsf-impl-2.3.5.SP2-redhat-00001.jar matches
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@Inject
Foo foo;
@Scoped
public class FooImpl implements Foo
@ApplicationScoped
public class MyApp
!
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● B .
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10
Application
CDI Container
CDI API
Bean
Metadata Bean
Archives
Bean
.
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C
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CDI Container
Bean
Archives
1.
2. ProcessAnnotatedType
3. event.add (…)
Extension
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B I O
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B CIA
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> B A D E E
@Observes
CDI 2.0
A D @
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R E /
/
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@ApplicationScoped
public class MyBean {
@Retry(maxRetries=3)
public void sendMessage(String message) {
/
}
}
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RetyExtension
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public class RetryExtension implements Extension {
/
public void beforeBeanDiscovery(@Observes BeforeBeanDiscovery event, BeanManager bm) {
event.addAnnotatedType(RetryInterceptor.class, RetryInterceptor.class.getName());
}
1
public void processManagedBean(@Observes ProcessManagedBean event) {
AnnotatedType> annotatedType = event.getAnnotatedBeanClass();
for (AnnotatedMethod> annotatedMethod : annotatedType.getMethods()) {
Retry anno= annotatedMethod.getAnnotation(Retry.class);
if (anno != null && anno.maxRetries() < 1) {
event.addDefinitionError(new Exception("illegal maxRetry:" + anno.maxRetries()));
}
}
}
}
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● SmallRye config
○
" #$'
● SmallRye fault tolerant
○
CircuitBreaker, Retry, Timeout%
$'
● SmallRye metrics
○
(!&
$'
/ /
/. .
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● CDI
http://cdi-spec.org/
● Next Presso
http://www.next-presso.com/
●
Weld
https://tanoseam.wordpress.com/
● SmallRye (Eclipse MicroProfile implementation)
https://smallrye.io/
https://github.com/smallrye
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Red Hat
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● E D
C
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IBD A IC
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.
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.
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< B A >
javax.enterprise.inject.spi. >A
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/ . -
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29 / . -
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CDI 2.0AnnotatedTypeConfigurator
CDI 1.x
CDI 2.0 AnnotatedTypeConfigurator
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public interface BeforeBeanDiscovery {
void addQualifier(Class extends Annotation> qualifier);
void addQualifier(AnnotatedType extends Annotation> qualifier);
void addScope(Class extends Annotation> scopeType, boolean normal, boolean passivating);
void addStereotype(Class extends Annotation> stereotype, Annotation... stereotypeDef);
void addInterceptorBinding(AnnotatedType extends Annotation> bindingType);
void addInterceptorBinding(Class extends Annotation> bindingType, Annotation... bindingTypeDef);
void addAnnotatedType(AnnotatedType extends Annotation> type, String id);
AnnotatedTypeConfigurator addAnnotatedType(Class type, String id);
AnnotatedTypeConfigurator configureQualifier(Class qualifier);
AnnotatedTypeConfigurator configureInterceptorBinding(Class bt);
}
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CDI 2.0AnnotatedTypeConfigurator
CDI 1.x
CDI 2.0 AnnotatedTypeConfigurator
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public interface ProcessAnnotatedType {
AnnotatedType getAnnotatedType();
void setAnnotatedType(AnnotatedType type);
void veto();
AnnotatedTypeConfigurator configureAnnotatedType();
}