[jira] [Resolved] (PROTON-2558) Provide an API to create pn_class_t instances

["Andrew Stitcher (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PROTON-2558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Stitcher resolved PROTON-2558.
-------------------------------------
    Fix Version/s: proton-c-0.38.0
       Resolution: Fixed

> Provide an API to create pn_class_t instances
> ---------------------------------------------
>
>                 Key: PROTON-2558
>                 URL: https://issues.apache.org/jira/browse/PROTON-2558
>             Project: Qpid Proton
>          Issue Type: Sub-task
>            Reporter: Andrew Stitcher
>            Assignee: Andrew Stitcher
>            Priority: Major
>             Fix For: proton-c-0.38.0
>
>
> The Proton bindings (for at least Python, C++ and ruby) need to create {{pn_class_t}} instances for various reasons. Currently the only way to do that is to use some macros in {{proton/object.h}} which create static const {{pn_class_t}} instances however this requires knowledge of the internals of the struct itself which means that it cannot be changed without breaking ABI.
> So shifting this to a dynamic API is necessary to hide the internals of {{{}pn_class_t{}}}. This is very slightly less efficient but only in the startup path so it really doesn't matter all that much!



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