[cdi-dev] [JBoss JIRA] (CDI-279) Provide CDI SPI that could be used to directly replace java.lang.reflect methods for expanding the use of @Stereotype to Java EE 7 platform

Hong Zhang (JIRA) jira-events at lists.jboss.org
Fri Oct 19 11:29:01 EDT 2012


Hong Zhang created CDI-279:
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             Summary: Provide CDI SPI that could be used to directly replace java.lang.reflect methods for expanding the use of @Stereotype to Java EE 7 platform
                 Key: CDI-279
                 URL: https://issues.jboss.org/browse/CDI-279
             Project: CDI Specification Issues
          Issue Type: Feature Request
            Reporter: Hong Zhang


Please provide CDI SPI that could be used to directly replace the java.lang.reflect methods when expanding the use of @Stereotype to Java EE 7 platform. 

Also attaching the relevant sections from Bill's @Stereotype proposal below: 
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Stereotypes are implemented by CDI, but (typically) the Java EE deployment processing has no knowledge of CDI when it's looking for Java EE annotations.  Integrating with CDI so that stereotypes could be considered during this deployment-time annotation processing would require a new CDI SPI. 

Many existing implementations would need to be changed to understand
how to expand stereotypes.  Requiring every technology to do this
itself will almost certainly lead to inconsistencies.  Since stereotypes
are a CDI feature, CDI will provide a simple replacement for the
java.lang.reflect methods such as getAnnotations that takes into
account stereotypes.

Some technologies will not want to have a hard dependency on CDI so
we'll need to provide a simple way for them to conditionally invoke
these new methods only if CDI is present, falling back to java.lang.reflect
if not.  This seems straightforward.  In this case, the functionality of
@Stereotype would not be available to applications that chose to run
without CDI.
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