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https://issues.jboss.org/browse/CDI-590?page=com.atlassian.jira.plugin.sy...
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Antonin Stefanutti commented on CDI-590:
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I've been facing that need as well in a number of extensions. Ideally, there would be
a way to declare producer for parameterized types that contain bounded wildcard type
parameters. A way to provide a set of return types that can guarantee type safe resolution
at deployment time would be great as well.
Provide a way to produce any type in a producer
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Key: CDI-590
URL:
https://issues.jboss.org/browse/CDI-590
Project: CDI Specification Issues
Issue Type: Epic
Reporter: Romain Manni-Bucau
Note: this is a follow up "adding generic producers to CDI 2.0?" thread on the
list
It is common to rely on a subsystem (another IoC, a coercing system, ...) to produce
values. Today a producer can't say "I produce anything in a safe" manner.
Idea would be for injection point aware producers with a qualifier to producer Object and
match all types.
It needs another flag (can be in @Qualifier or another annotation it is not really
important) to say "I produce safely any type".
I did a PoC on github:
https://github.com/rmannibucau/generic-producer-cdi but think it
can be a nice feature of CDI 2.0 since it would avoid users to have to dig into extensions
for several simple cases (configuration, bridge to other IoC...)
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