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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3312) Break out StorableField from IndexableField
Date Sun, 19 Aug 2012 20:42:38 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13437575#comment-13437575
] 

Uwe Schindler commented on LUCENE-3312:
---------------------------------------

Hi Nikola,
afetr the branch merge, the more picky javadocs checker in Lucene Core found few classes without
Javadoc at all. It would be good to add Javadocs for the new StorableField, StorableFieldType,
GeneralField,... classes.

Also please make sure that the ASF License header does not start with /** (which is javadoc),
but starts with /* (simple comment). I fixed the ones I found.
                
> Break out StorableField from IndexableField
> -------------------------------------------
>
>                 Key: LUCENE-3312
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3312
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/index
>            Reporter: Michael McCandless
>            Assignee: Nikola Tankovic
>              Labels: gsoc2012, lucene-gsoc-12
>             Fix For: Field Type branch
>
>         Attachments: lucene-3312-patch-01.patch, lucene-3312-patch-02.patch, lucene-3312-patch-03.patch,
lucene-3312-patch-04.patch, lucene-3312-patch-05.patch, lucene-3312-patch-06.patch, lucene-3312-patch-07.patch,
lucene-3312-patch-08.patch, lucene-3312-patch-09.patch, lucene-3312-patch-10.patch, lucene-3312-patch-11.patch,
lucene-3312-patch-12a.patch, lucene-3312-patch-12.patch, lucene-3312-patch-13.patch
>
>
> In the field type branch we have strongly decoupled
> Document/Field/FieldType impl from the indexer, by having only a
> narrow API (IndexableField) passed to IndexWriter.  This frees apps up
> use their own "documents" instead of the "user-space" impls we provide
> in oal.document.
> Similarly, with LUCENE-3309, we've done the same thing on the
> doc/field retrieval side (from IndexReader), with the
> StoredFieldsVisitor.
> But, maybe we should break out StorableField from IndexableField,
> such that when you index a doc you provide two Iterables -- one for the
> IndexableFields and one for the StorableFields.  Either can be null.
> One downside is possible perf hit for fields that are both indexed &
> stored (ie, we visit them twice, lookup their name in a hash twice,
> etc.).  But the upside is a cleaner separation of concerns in API....

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