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From "Mike Drob (JIRA)" <>
Subject [jira] [Created] (ACCUMULO-2486) Use covariant return types in SKVI.deepCopy
Date Mon, 17 Mar 2014 17:23:45 GMT
Mike Drob created ACCUMULO-2486:

             Summary: Use covariant return types in SKVI.deepCopy
                 Key: ACCUMULO-2486
             Project: Accumulo
          Issue Type: Improvement
            Reporter: Mike Drob
             Fix For: 1.7.0

Starting with Java 5, subclasses with method overrides can declare covariant return types.
In general, I believe that we want to do this, as it provides stronger type guarantees with
not a lot of extra cost.

public interface SortedKeyValueIterator {
      SortedKeyValueIterator deepCopy(IteratorEnvironment env);

public interface InterruptibleIterator extends SortedKeyValueIterator {
      InterruptibleIterator deepCopy(IteratorEnvironment env);

I believe this change will be fully backwards compatible with the existing APIs.

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