[jira] Resolved: (THRIFT-178) Final Keyword

["Bryan Duxbury (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/THRIFT-178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Duxbury resolved THRIFT-178.
----------------------------------

    Resolution: Fixed
      Assignee: Erik Frey

Committed. Thanks for the patch Erik!

> Final Keyword
> -------------
>
>                 Key: THRIFT-178
>                 URL: https://issues.apache.org/jira/browse/THRIFT-178
>             Project: Thrift
>          Issue Type: New Feature
>          Components: Compiler (C++), Compiler (General), Compiler (Java)
>            Reporter: Erik Frey
>            Assignee: Erik Frey
>            Priority: Minor
>         Attachments: final_annotation_cpp_java_csharp.patch, final_annotation_cpp_java_csharp_v2.patch, final_annotation_cpp_java_csharp_v3.patch, final_csharp.patch, keyword_final_cpp_java.patch
>
>
> This introduces support for the final keyword in the thrift IDL.  A C++ thrift struct that is declared final loses it's virtual dtor, which saves the memory overhead of one vtable per instance.  This (along with the required keyword) can be very helpful if you're passing around big lists of small thrift structs.
> This patch also includes modifications for the java generator to recognize and apply final.  I'm not familiar enough with the other languages to know if this notion applies to them.
> (A patch for this was submitted in thrift's pre-apache days and was met with approval, but then fell off the radar, so I'm trying again.)

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