Todor Boev created CDI-719:
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Summary: Allow attributes on scope annotations
Key: CDI-719
URL:
https://issues.jboss.org/browse/CDI-719
Project: CDI Specification Issues
Issue Type: Feature Request
Components: Contexts
Affects Versions: 2.Future
Reporter: Todor Boev
Priority: Minor
The 2.0 specification states that scope annotations with attributes result in non-portable
behavior:
https://docs.jboss.org/cdi/spec/2.0/cdi-spec.html#defining_new_scope_type
At the same time Java EE standards like JSF use attributes on some of their scope
annotations.:http://docs.oracle.com/javaee/7/api/javax/faces/flow/FlowSco...
There are use cases of applications that have a well defined structure, but the user must
specify multiple copies of that structure. One can imagine a server application that must
handle multiple endpoints, so the user must have the means to create multiple copies of a
request processing pipeline. E.g. {{@RequestScoped("login")}},
{{@RequestScoped("shopping-card")}}.
Ideally CDI should use annotation instances, rather than annotation classes to select
contexts.
http://docs.jboss.org/cdi/api/2.0/javax/enterprise/inject/spi/BeanAttribu...
http://docs.jboss.org/cdi/api/2.0/javax/enterprise/inject/spi/BeanManager...
http://docs.jboss.org/cdi/api/2.0/javax/enterprise/context/spi/Context.ht...
If this is not possible at least BeanAttributes can have a convenience method to get the
scope annotation instance, and the specification should explicitly allow the use of
attributes on scope annotations.
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