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From "William Slacum (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-675) WrappingIterator's seenSeek should be protected
Date Fri, 06 Jul 2012 03:39:33 GMT
William Slacum created ACCUMULO-675:
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             Summary: WrappingIterator's seenSeek should be protected
                 Key: ACCUMULO-675
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-675
             Project: Accumulo
          Issue Type: Bug
          Components: tserver
    Affects Versions: 1.5.0, 1.4.1, 1.5.0-SNAPSHOT, 1.4.0
         Environment: OSX, Linux
            Reporter: William Slacum
            Assignee: William Slacum
            Priority: Trivial
             Fix For: 1.5.0-SNAPSHOT


In 1.3, the WrappingIterator was pretty much some boilerplate code. In 1.4 on, a package private
boolean called seenSeek was added to help enforce the iterator contract.

This causes some issues with iterators written for 1.3 and before, because the seenSeek property
can't be set by an iterator outside of the core.iterators package, which is locked down. This
means that sub iterators must always delegate up to the WrappingIterator's seek() method,
even if implementors want to completely override seek().

I would like to provide more documentation on the WrappingIterator and make the seenSeek property
protected so implementors don't need conditional logic to make the call to super.seek().

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