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Posted to dev@lens.apache.org by "Rajat Khandelwal (JIRA)" <ji...@apache.org> on 2015/02/27 21:27:04 UTC

[jira] [Created] (LENS-367) Revisit null handling in AbstractQueryContext and subclasses

Rajat Khandelwal created LENS-367:
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             Summary: Revisit null handling in AbstractQueryContext and subclasses
                 Key: LENS-367
                 URL: https://issues.apache.org/jira/browse/LENS-367
             Project: Apache Lens
          Issue Type: Bug
            Reporter: Rajat Khandelwal


There are some places where null check of containing objects is handled, some places it isn't. As part of this jira, let's evaluate what null means for objects such as driver query cost, driver error etc and see whether using Optional<T> would be a better design choice. 



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