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Daniel Templeton updated YARN-4457: ----------------------------------- Attachment: YARN-4457.004.patch Here's a rebased patch that includes all the changes and fixes the formatting issue. > Cleanup unchecked types for EventHandler > ---------------------------------------- > > Key: YARN-4457 > URL: https://issues.apache.org/jira/browse/YARN-4457 > Project: Hadoop YARN > Issue Type: Improvement > Affects Versions: 2.7.1 > Reporter: Daniel Templeton > Assignee: Daniel Templeton > Attachments: YARN-4457.001.patch, YARN-4457.002.patch, > YARN-4457.003.patch, YARN-4457.004.patch > > > The EventHandler class is often used in an untyped context resulting in a > bunch of warnings about unchecked usage. The culprit is the > {{Dispatcher.getHandler()}} method. Fixing the typing on the method to > return {{EventHandler<Event>}} instead of {{EventHandler}} clears up the > errors and doesn't not introduce any incompatible changes. In the case that > some code does: > {code} > EventHandler h = dispatcher.getHandler(); > {code} > it will still work and will issue a compiler warning about raw types. There > are, however, no instances of this issue in the current source base. -- This message was sent by Atlassian JIRA (v6.3.4#6332)