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https://issues.apache.org/jira/browse/THRIFT-1712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Martin Vogt updated THRIFT-1712:
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Attachment: (was: TBase_reworked_131006.patch)
> Add TBase class for c++
> -----------------------
>
> Key: THRIFT-1712
> URL: https://issues.apache.org/jira/browse/THRIFT-1712
> Project: Thrift
> Issue Type: New Feature
> Components: C++ - Compiler
> Affects Versions: 0.8
> Reporter: Martin Vogt
> Assignee: Ben Craig
> Priority: Minor
> Labels: base, c++, class
> Attachments: base_struct_131224v4.patch
>
>
> The generated c++ classes for struct's does not have a common base class.
> The patch adds a "base" option to the compiler:
> - thrift --gen cpp:base
> this will use a TBase in the thrift installation.
> Another option allows to replace the baseclass with an arbitrary one:
> -thrift --gen cpp:base=MyBase,inc=\\</path/MyBase.h\\>\n"
> With this it's possible to extend the TBase class in the thrift installation.
> I like to use this TBase class in QT, as a signal, for example:
> signals:
> void update(const TBase& tBase);
> And in the receiver slot I then can check which kind of message was send:
> // compare static pointers
> if (tBase.ascii_fingerprint == User::ascii_fingerprint) {
> User* user=(User*)&tBase;
> processUserMessage(user);
> }
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