[jira] [Created] (LENS-423) Cleanup of cube metadata classes.

[Rajat Khandelwal (JIRA)]

Rajat Khandelwal created LENS-423:
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             Summary: Cleanup of cube metadata classes. 
                 Key: LENS-423
                 URL: https://issues.apache.org/jira/browse/LENS-423
             Project: Apache Lens
          Issue Type: Improvement
            Reporter: Rajat Khandelwal


Just one thing for now. Can create subtasks if more come to mind 

1. Eliminate null checks, particularly in member variables. Use Null design 
pattern wherever required.



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