Blake Eggleston created CASSANDRA-10082:
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             Summary: Transactional classes shouldn't also implement streams, 
channels, etc
                 Key: CASSANDRA-10082
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10082
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Blake Eggleston
            Assignee: Blake Eggleston
         Attachments: 
0001-replacing-SequentialWriter-OutputStream-extension-wi.patch

Since the close method on the Transactional interface means "abort if commit 
hasn't been called", mixing Transactional and AutoCloseable interfaces where 
close means "we're done here" is pretty much never the right thing to do. 

The only class that does this is SequentialWriter. It's not used in a way that 
causes a problem, but it's still a potential hazard for future development.

The attached patch replaces the SequentialWriter OutputStream implementation 
with a wrapper class that implements the expected behavior on close, and adds a 
warning to the Transactional interface. It also adds a unit test that 
demonstrates the problem without the fix.



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