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From "Binglin Chang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8985) Add namespace declarations in .proto files for languages other than java
Date Fri, 26 Oct 2012 05:57:12 GMT

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

Binglin Chang updated HADOOP-8985:
----------------------------------

    Description: 
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?


  was:
Currently .proto files use java_package to specify java packages in proto files, but namespace
are not specified for other languages such as C++, this causes name collision in C++. 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 C++) for all common sub-project
proto files, and "hadoop.hdfs"(hadoop::hdfs in C++) for all hdfs sub-project proto files?


        Summary: Add namespace declarations in .proto files for languages other than java
 (was: Add namespace declarations in .proto files for other languages)
    
> 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
>            Reporter: Binglin Chang
>            Priority: Minor
>
> 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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