CDIポータブルエクステンションを作ってみよう

JJUG CCC 2019 Spring登壇資料 (ccc_m6b)

Transcript

1. C D G 9 6
   02 1#
   5 8 0/ / 2
   5 8 0/ / 2 .2 /1 2
   

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2. 
   ( )
   ● Japan JBoss User Group
   ● Red Hat Consultant
   ● Twitter: @neverbird
   
   2
   

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3. ●
   4
   ○ J
   ○ E
   ○ a
   ○
   ○
   ○ J
   ○
   ○
   

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4. 
   
   5
   Application
   CDI Container
   CDI API
   CDI SPI
   Extension Extension Extension
   ●
   
   

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5. 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
   6
   

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6. ●
   65 .50 ( 50 5 5 365 26 . . ))
   ○ a S
   ○ aP e
   ○ J B
   ●
   S D (
   ○ . . )E I R B
   ○ Ce f d
   F JE E / A
   ( Cic
   7
   8 8
   

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7. 
   
   8
   @Inject
   Foo foo;
   @Scoped
   public class FooImpl implements Foo
   
   
   
   
   @ApplicationScoped
   public class MyApp
   
   !
   

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8. ● B .
   ● .
   10
   Application
   CDI Container
   CDI API
   Bean
   Metadata Bean
   Archives
   Bean
   
   
   .
   

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9. 
   
   
   ●
   ● I>
   ● CA I>
   ● T B
   ● D < @
   ●
   
   
   
   11
   

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10. D
    C
    ●
    ● / / / B
    ●
    ● B
    ●
    ●
    12
    

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11. C
    13
    CDI Container
    Bean
    Archives
    1.
    
    2. ProcessAnnotatedType
    
    3. event.add (…)
    
    
    Extension
    

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12. ●
    
    
    
    14
    
    
    
    
    
    
    
    
    
    

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13. 
    
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    P M
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14. B CIA
    16
    >B ; C A ( C E C A
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    > >>; A . > ;
    -B ; ( B;A A ; . )
    > B A D E E
    @Observes
    
    CDI 2.0
    A D @
    O
    D LI
    

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15. R E /
    /
    /
    
    
    17
    @ApplicationScoped
    public class MyBean {
    @Retry(maxRetries=3)
    public void sendMessage(String message) {
    /
    }
    }
    

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16. ● 3
    H S R @I
    3
    18
    /
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17. ●
    
    D
    ○
    B
    ●
    
    D
    ○ I
    ■ C
    1
    
    19
    

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18. RetyExtension
    20
    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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20. ● SmallRye config
    ○
    " #$'
    ● SmallRye fault tolerant
    ○
    CircuitBreaker, Retry, Timeout%
    $'
    ● SmallRye metrics
    ○
    (!&
    $'
    / /
    /. .
    22
    

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21. ● 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
    
    23
    

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22. Red Hat
    24
    

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23. ● E D
    C
    
    
    25
    ./
    

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24. IBD A IC
    26
    
    J J J
    J J J
    J J
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    BJ a J J
    

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25. .
    27
    / b I D
    / i c d E I
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    0 / : > ErnJ D -/ / . mtJ D
    -/ / / / 2
    o 0 / : > /
    0 / : > B >:2C /
    0 / : > B >:2C / 2 :1 2
    / / 2 / s
    0 / : > B >:2C :1/ >1 <2 a e li
    

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26. .
    28
    < B A >
    javax.enterprise.inject.spi. >A
    ● < . .
    / . -
    

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27. 
    
    29 / . -
    

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28. CDI 2.0AnnotatedTypeConfigurator
    CDI 1.x
    CDI 2.0 AnnotatedTypeConfigurator
    30
    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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29. CDI 2.0AnnotatedTypeConfigurator CDI 1.x
    
    
    CDI 2.0 AnnotatedTypeConfigurator
    31
    public interface ProcessAnnotatedType {
    AnnotatedType getAnnotatedType();
    void setAnnotatedType(AnnotatedType type);
    void veto();
    AnnotatedTypeConfigurator configureAnnotatedType();
    }
    

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