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https://issues.apache.org/jira/browse/HADOOP-9154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13539490#comment-13539490
]
Surenkumar Nihalani commented on HADOOP-9154:
---------------------------------------------
{Thanks for chipping in, Suresh.}
It's Suren. :)
In MapWritable's implementation,
{{
@Override
public int hashCode() {
return 1 + this.instance.hashCode();
}
}}
What's the purpose of adding one to instance's hashCode?
> 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-9154-draft.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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