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From "Joep Rottinghuis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6142) Javadoc in some Filters ambiguous
Date Sat, 02 Jun 2012 06:26:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13287862#comment-13287862
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Joep Rottinghuis commented on HBASE-6142:
-----------------------------------------

Ah, I will look up my (signed) copy of said book, write test and take a shot at the javadoc.
Cannot promise any angel qualities though...
                
> Javadoc in some Filters ambiguous
> ---------------------------------
>
>                 Key: HBASE-6142
>                 URL: https://issues.apache.org/jira/browse/HBASE-6142
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 0.92.2, 0.96.0, 0.94.1
>            Reporter: Joep Rottinghuis
>            Priority: Minor
>              Labels: noob
>
> The javadoc on some of the filter is somewhat confusing.
> The main Filter interface has methods that behave like a sieve; when filterRowKey returns
true, that means that the row is filtered _out_ (not included).
> Many of the Filter implementations work the other way around. When the condition is met
the value passes (ie, the row is returned).
> Most Filters make it clear when a values passes (passing through the filter meaning the
values are returned from the scan).
> Some are less clear in light of how the Filter interface works: WhileMatchFilter and
SingleColumnValueFilter are examples.

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