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https://issues.apache.org/jira/browse/HADOOP-18003?focusedWorklogId=680111&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-680111
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ASF GitHub Bot logged work on HADOOP-18003:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 11/Nov/21 01:52
Start Date: 11/Nov/21 01:52
Worklog Time Spent: 10m
Work Description: tomscut opened a new pull request #3644:
URL: https://github.com/apache/hadoop/pull/3644
JIRA: [HADOOP-18003](https://issues.apache.org/jira/browse/HADOOP-18003).
As we discussed here
[#3635](https://github.com/apache/hadoop/pull/3635#discussion_r746873078)
In some cases, when we need to add a `key:value` to the `CallerContext`, we
need to check whether the key already exists in the outer layer, which is a bit
of a hassle. To solve this problem, we can add a new method
`CallerContext#appendIfAbsent`.
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Issue Time Tracking
-------------------
Worklog Id: (was: 680111)
Remaining Estimate: 0h
Time Spent: 10m
> Add a method appendIfAbsent for CallerContext
> ---------------------------------------------
>
> Key: HADOOP-18003
> URL: https://issues.apache.org/jira/browse/HADOOP-18003
> Project: Hadoop Common
> Issue Type: New Feature
> Reporter: tomscut
> Assignee: tomscut
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> As we discussed here [#3635.|#discussion_r746873078]
> In some cases, when we need to add a _key:value_ to the {_}CallerContext{_},
> we need to check whether the _key_ already exists in the outer layer, which
> is a bit of a hassle. To solve this problem, we can add a new method
> {_}CallerContext#appendIfAbsent{_}.
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