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From "Niclas Hedhman (JIRA)" <j...@apache.org>
Subject [jira] [Created] (POLYGENE-279) Custom @Structure injection types
Date Sat, 02 Dec 2017 09:14:00 GMT
Niclas Hedhman created POLYGENE-279:

             Summary: Custom @Structure injection types
                 Key: POLYGENE-279
                 URL: https://issues.apache.org/jira/browse/POLYGENE-279
             Project: Polygene
          Issue Type: Bug
            Reporter: Niclas Hedhman

Use-case 1; UnitOfWorkFactory is currently depending on a UnitOfWorkFactory declaration in
every module where one need it injected, or otherwise one risk having the wrong visibility
established. The current behavior is a design flaw, not present in earlier Qi4j versions.

Use-case 2; MetricsProvider should be able to create module-specific (or module-aware) Metric
instances, without having to be declared in every module where metrics are needed.

Use-case 3; IdentityManager should be allowed to generate IDs that use module names, without
being declared in every module.

Currently, we don't have any particular types that deal with @Structure injections, nothing
that holds the additional information needed. But there is a need to be both a singleton,
i.e. a Service as well as a unique object that is injected into the target composite.

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