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https://issues.apache.org/jira/browse/HADOOP-17152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takanobu Asanuma resolved HADOOP-17152.
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Fix Version/s: 3.4.0
Resolution: Fixed
Merged the PR. Thank you for the discussion, [~vjasani] and [~ahussein].
> Implement wrapper for guava newArrayList and newLinkedList
> ----------------------------------------------------------
>
> Key: HADOOP-17152
> URL: https://issues.apache.org/jira/browse/HADOOP-17152
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: common
> Reporter: Ahmed Hussein
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> guava Lists class provide some wrappers to java ArrayList and LinkedList.
> Replacing the method calls throughout the code can be invasive because guava
> offers some APIs that do not exist in java util. This Jira is the task of
> implementing those missing APIs in hadoop common in a step toward getting rid
> of guava.
> * create a wrapper class org.apache.hadoop.util.unguava.Lists
> * implement the following interfaces in Lists:
> ** public static <E> ArrayList<E> newArrayList()
> ** public static <E> ArrayList<E> newArrayList(E... elements)
> ** public static <E> ArrayList<E> newArrayList(Iterable<? extends E>
> elements)
> ** public static <E> ArrayList<E> newArrayList(Iterator<? extends E>
> elements)
> ** public static <E> ArrayList<E> newArrayListWithCapacity(int
> initialArraySize)
> ** public static <E> LinkedList<E> newLinkedList()
> ** public static <E> LinkedList<E> newLinkedList(Iterable<? extends E>
> elements)
> ** public static <E> List<E> asList(@Nullable E first, E[] rest)
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