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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8985) Add namespace declarations in .proto files for languages other than java
Date Sat, 27 Oct 2012 18:51:12 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HADOOP-8985:
------------------------------------

          Component/s: ipc
                       ha
    Affects Version/s: 2.0.2-alpha
    
> Add namespace declarations in .proto files for languages other than java
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-8985
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8985
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ha, ipc
>    Affects Versions: 2.0.2-alpha
>            Reporter: Binglin Chang
>            Assignee: Binglin Chang
>            Priority: Minor
>             Fix For: 3.0.0, 2.0.3-alpha
>
>         Attachments: HADOOP-8985-add-namespace.patch
>
>
> Currently .proto files use java_package to specify java packages in proto files, but
namespace are not specified for other languages such as cpp, this causes name collision in
cpp. we can add namespace declarations to avoid this. 
> In Java, the package specifier is used as the Java package, unless you explicitly provide
a option java_package in your .proto file. So the original java package will not be affected.
> About namespace name, how about "hadoop.common"(hadoop::common in cpp) for all common
sub-project proto files, and "hadoop.hdfs"(hadoop::hdfs in cpp) for all hdfs sub-project proto
files?

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