[jira] [Closed] (ARTEMIS-4766) gate every newInstance call with a type check on the class to ensure we only call static initialisers of the expected type

["Clebert Suconic (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARTEMIS-4766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Clebert Suconic closed ARTEMIS-4766.
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> gate every newInstance call with a type check on the class to ensure we only call static initialisers of the expected type
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: ARTEMIS-4766
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-4766
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>          Components: Configuration
>    Affects Versions: 2.33.0
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>            Priority: Major
>             Fix For: 2.34.0
>
>
> On our extension points, where configuration provides the implementation class name, like plugins or transformers, we need to create an instance of the configured class at runtime.
> We typically know the interface type we are expecting, so we can enforce this check before we create in instance, in that way we won't every call static initialises on the wrong type in error. In cases where some gadget can be injected into our configuration, it will need to be specialised for our interfaces to be effective, which creates one additional hurdle to jump over.



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