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From "Surenkumar Nihalani (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9154) SortedMapWritable#putAll() doesn't add key/value classes to the map
Date Sun, 06 Jan 2013 21:28:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13545499#comment-13545499

Surenkumar Nihalani commented on HADOOP-9154:

I debated initializing {{failureReason}} for a single assertion with myself when I was coding
it and I went ahead it for three reasons:
# Makes the code consistent. If you read the test from the start, you kinda start expecting
it to have been initialized before every assert. 
# Easy extension. If anyone adds a bit more to the test, he/she wouldn't have to add initialization
# Code looks pretty and keeps all the assert statements (single assert ones especially) within
80 characters limit.

If you think it's not worth above reasons, I am happy to change it and upload the patch.

> SortedMapWritable#putAll() doesn't add key/value classes to the map
> -------------------------------------------------------------------
>                 Key: HADOOP-9154
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9154
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 2.0.2-alpha
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: HADOOP-9124.patch, hadoop-9154-draft.patch, hadoop-9154.patch, hadoop-9154.patch
> In the following code from {{SortedMapWritable}}, #putAll() doesn't add key/value classes
to the class-id maps.
> {code}
>   @Override
>   public Writable put(WritableComparable key, Writable value) {
>     addToMap(key.getClass());
>     addToMap(value.getClass());
>     return instance.put(key, value);
>   }
>   @Override
>   public void putAll(Map<? extends WritableComparable, ? extends Writable> t){
>     for (Map.Entry<? extends WritableComparable, ? extends Writable> e:
>       t.entrySet()) {
>       instance.put(e.getKey(), e.getValue());
>     }
>   }
> {code}

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