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From "Marvin Humphrey (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1900) Confusing Javadoc in Searchable.java
Date Tue, 08 Sep 2009 17:20:21 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12752612#action_12752612
] 

Marvin Humphrey commented on LUCENE-1900:
-----------------------------------------

maxDoc() isn't just used for calculating weights.  It's also used for e.g.
figuring out how big your bit vector needs to be in order to accommodate the
largest doc in the collection.

My vote would be to just strip that extra comment about calculating term
weights.


> Confusing Javadoc in Searchable.java
> ------------------------------------
>
>                 Key: LUCENE-1900
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1900
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>    Affects Versions: 2.9
>            Reporter: Nadav Har'El
>            Priority: Trivial
>
> In Searchable.java, the javadoc for maxdoc() is:
>   /** Expert: Returns one greater than the largest possible document number.
>    * Called by search code to compute term weights.
>    * @see org.apache.lucene.index.IndexReader#maxDoc()
> The qualification "expert" and the statement "called by search code to compute term weights"
is a bit confusing, It implies that maxdoc() somehow computes weights, which is obviously
not true (what it does is explained in the other sentence). Maybe it is used as one factor
of the weight, but do we really need to mention this here? 

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