[jira] [Updated] (POLYGENE-279) Custom @Structure injection types

["Niclas Hedhman (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/POLYGENE-279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Niclas Hedhman updated POLYGENE-279:
------------------------------------
    Issue Type: New Feature  (was: Bug)

> Custom @Structure injection types
> ---------------------------------
>
>                 Key: POLYGENE-279
>                 URL: https://issues.apache.org/jira/browse/POLYGENE-279
>             Project: Polygene
>          Issue Type: New Feature
>            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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