Ahmed Hussein created HADOOP-17108:
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Summary: Create Classes to wrap Guava code replacement
Key: HADOOP-17108
URL: https://issues.apache.org/jira/browse/HADOOP-17108
Project: Hadoop Common
Issue Type: Sub-task
Reporter: Ahmed Hussein
Usage of Guava APIs in hadoop may not have one line replacement in Java8+. We
need to create some classes to wrap those common functionalities instead of
reinventing the wheel everywhere.
For example, we should have new package {{package
org.apache.hadoop.util.collections}}.
Then we create classes like {{MultiMap}} which may have the entire
implementation from scratch or we can use Apache Commons Collections 4.4 API.
The Pros of using wrapper is to avoid adding more dependencies in POM if we
vote to use a third party jar.
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