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https://issues.apache.org/jira/browse/HADOOP-544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Enis Soztutar updated HADOOP-544:
---------------------------------
Attachment: id_v4.patch
Patch updated to meet current trunk. The functions are consistently named as
get{Job|Task|TaskInProgress}ID() with some minor exceptions, where the change
would cause more trouble than the benefits.
> Replace the job, tip and task ids with objects.
> -----------------------------------------------
>
> Key: HADOOP-544
> URL: https://issues.apache.org/jira/browse/HADOOP-544
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.16.0
> Reporter: Owen O'Malley
> Assignee: Enis Soztutar
> Fix For: 0.16.0
>
> Attachments: id_v1.patch, id_v2.patch, id_v3.patch, id_v4.patch,
> id_wip1.patch
>
>
> I think that it is silly to have tools parsing the strings that the framework
> builds for task ids. I propose:
> class JobId implements Writable {
> public int getJobId() {...}
> }
> class TaskId implements Writable {
> public JobId getJobId();
> public boolean isMap() { ... }
> public int getTaskId() { ... }
> }
> class TaskAttemptId implements Writable {
> public TaskId getTaskId();
> public int getAttemptId();
> }
> each of the classes will have a toString() method that generates the current
> string.
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