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https://issues.apache.org/jira/browse/PROTON-2195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Stitcher resolved PROTON-2195.
-------------------------------------
    Resolution: Fixed

Note that any application using the connection_driver API will need to be 
recompiled as its ABI has changed.

> Tidy up/Finalise the API around proactor event batches
> ------------------------------------------------------
>
>                 Key: PROTON-2195
>                 URL: https://issues.apache.org/jira/browse/PROTON-2195
>             Project: Qpid Proton
>          Issue Type: Improvement
>          Components: proton-c
>    Affects Versions: proton-c-0.30.0
>            Reporter: Andrew Stitcher
>            Assignee: Andrew Stitcher
>            Priority: Major
>             Fix For: proton-c-0.31.0
>
>
> There are a number of issues with the {{pn_event_batch_t}} type in proton:
>  * The {{pn_event_batch_t}} type should be a type whose details are private 
> and only meaningful to the proactor because it is only the proactor API 
> batches events for serialisation. However it is defined in the event.h header 
> file and its only operation {{pn_event_batch_next()}} is actually in the 
> proton core library.
> * The type is used internally in the connection_driver API which is in the 
> proton core library. This use is unnecessary as the batches are never even 
> exposed by the connection_driver API. Indeed it's hard to see what use the 
> connection_driver could make of an event batch since it only knows about 
> events from the proton core library which only returns events and never 
> batches.
> The proactor and connection_driver APIs which are the ones affected are both 
> marked as Unsettled APIs so these changes are currently acceptable.



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