[cdi-dev] [JBoss JIRA] Commented: (CDI-169) Remove the 'No type variable in event objects' restriction
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https://issues.jboss.org/browse/CDI-169?page=com.atlassian.jira.plugin.sy...
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Martin Kouba commented on CDI-169:
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I don't think so. A type variable is an unqualified identifier (e.g. X in
ProcessBean<X>; see
http://java.sun.com/docs/books/jls/third_edition/html/typesValues.html#4.4) and is not the
same as parameterized type with actual type arguments (e.g. ProcessBean<Foo> event;
see http://java.sun.com/docs/books/jls/third_edition/html/typesValues.html#4.5). Some of
container lifecycle events are generic types with type variables but the concrete event
object fired/observed is parameterized type with actual type arguments.
Remove the 'No type variable in event objects' restriction
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Key: CDI-169
URL: https://issues.jboss.org/browse/CDI-169
Project: CDI Specification Issues
Issue Type: Feature Request
Affects Versions: 1.0
Reporter: Stuart Douglas
CDI 10.1 states:
An event object is an instance of a concrete Java class with no type variables. ... An
event type may not contain a type variable.
Which seems silly considering the container fires events with a type variable at startup.
I can't think of any reason why this should be prohibited.
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