cdi-dev October 2014

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15 participants
53 discussions

[JBoss JIRA] (CDI-270) Allow @WithAnnotations to be applied to other events

by Pete Muir (JIRA)

[ https://issues.jboss.org/browse/CDI-270?page=com.atlassian.jira.plugin.sy... ] Pete Muir commented on CDI-270: ------------------------------- I was thinking to allow it on other lifecycle annotations, but I agree with [~struberg] that we need to check it carefully first. This is reason we didn't broaden it out in CDI 1.1 - it was clear if it would be useful in other situations and we had other more pressing issues to address. > Allow @WithAnnotations to be applied to other events > ---------------------------------------------------- > > Key: CDI-270 > URL: https://issues.jboss.org/browse/CDI-270 > Project: CDI Specification Issues > Issue Type: Bug > Affects Versions: 1.1.EDR > Reporter: Pete Muir > Labels: with-annotations > Fix For: TBD > > -- This message was sent by Atlassian JIRA (v6.3.1#6329)

10 years, 2 months

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[JBoss JIRA] (CDI-485) Provide literals for built-in annotations

by Jozef Hartinger (JIRA)

Jozef Hartinger created CDI-485: ----------------------------------- Summary: Provide literals for built-in annotations Key: CDI-485 URL: https://issues.jboss.org/browse/CDI-485 Project: CDI Specification Issues Issue Type: Feature Request Affects Versions: 1.2.Final Reporter: Jozef Hartinger Annotation literals are often useful and therefore many projects implement them themselves. For example: https://github.com/DeltaSpike/Mirror/blob/master/deltaspike/core/api/src/... https://github.com/weld/core/blob/master/impl/src/main/java/org/jboss/wel... https://github.com/forge/furnace-cdi/blob/master/impl/src/main/java/org/j... https://github.com/astefanutti/metrics-cdi/blob/master/impl/src/main/java... to name a few. It would be nice to provide these within the CDI API, e.g: {code:JAVA} @Target( { TYPE, METHOD, PARAMETER, FIELD }) @Retention(RUNTIME) @Documented @Qualifier public @interface Default { @SuppressWarnings("all") final class Literal extends AnnotationLiteral<Default> implements Default { private Literal() { } } final Default INSTANCE = new Literal(); } {code} -- This message was sent by Atlassian JIRA (v6.3.1#6329)

10 years, 2 months

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[JBoss JIRA] (CDI-484) Provide forwarding implementations of SPI interfaces

by Jozef Hartinger (JIRA)

Jozef Hartinger created CDI-484: ----------------------------------- Summary: Provide forwarding implementations of SPI interfaces Key: CDI-484 URL: https://issues.jboss.org/browse/CDI-484 Project: CDI Specification Issues Issue Type: Feature Request Components: Portable Extensions Affects Versions: 1.2.Final Reporter: Jozef Hartinger Fix For: 2.0 (discussion) The decorator design pattern is commonly used in CDI extensions to modify existing metadata by wrapping it with a wrapper implementation that overrides certain method. This can be done in the following callbacks: ProcessAnnotatedType, ProcessProducer, ProcessInjectionTarget, ProcessInjectionPoint and ProcessBeanAttributes. In order to do this it is often very convenient to have a forwarding implementation available, e.g.: {code:JAVA} void wrap(@Observes ProcessAnnotatedType<Foo> event) { final AnnotatedType<Foo> delegate = event.getAnnotatedType(); event.setAnnotatedType(new ForwardingAnnotatedType<Foo>(delegate) { @Override public <A extends Annotation> A getAnnotation(Class<A> annotationType) { return null; } @Override public Set<Annotation> getAnnotations() { return Collections.emptySet(); } @Override public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) { return false; } } {code} We should consider providing these utility forwarding implementations as part of the CDI API. This is similar to e.g. Servlet specification doing this for their decorable APIs (http://tomcat.apache.org/tomcat-5.5-doc/servletapi/javax/servlet/http/Htt...) -- This message was sent by Atlassian JIRA (v6.3.1#6329)

10 years, 2 months

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cdi-dev October 2014