[YARN-7995] Remove unnecessary boxings and unboxings from PlacementConstraintParser.java

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.1.0
• Labels: newbie
• Hadoop Flags: Reviewed
• Assignee: Sen Zhao
• Reporter: Akira Ajisaka
• Created: 03/Mar/18 16:09
• Updated: 19/Mar/18 18:33
• Resolved: 05/Mar/18 03:52

Description

      String maxCardinalityStr = resetElements.pop();
      Integer max = toInt(maxCardinalityStr);

      String minCardinalityStr = resetElements.pop();
      Integer min = toInt(minCardinalityStr);

toInt(String) does not return null, so Integer should be replaced with int.

Issue Links

• is caused by: YARN-7838 Support AND/OR constraints in Distributed Shell