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Posted to dev@lucene.apache.org by "Jim Ferenczi (JIRA)" <ji...@apache.org> on 2017/05/24 15:50:04 UTC
[jira] [Commented] (LUCENE-7844) UnifiedHighlighter: simplify
"maxPassages" input API
[ https://issues.apache.org/jira/browse/LUCENE-7844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16023119#comment-16023119 ]
Jim Ferenczi commented on LUCENE-7844:
--------------------------------------
+1 for the cleanup/code style of the code.
Regarding the API change, it seems weird because now the simple {noformat}highlightField(String field, Query query, int docId, int maxPassages){noformat} can also overrides the max passages count. For consistency you could maybe remove the maxPassages entirely and rely solely on {noformat}maxPassageCount{noformat} ?
> UnifiedHighlighter: simplify "maxPassages" input API
> ----------------------------------------------------
>
> Key: LUCENE-7844
> URL: https://issues.apache.org/jira/browse/LUCENE-7844
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/highlighter
> Reporter: David Smiley
> Priority: Minor
> Fix For: master (7.0)
>
> Attachments: LUCENE_7844__UH_maxPassages_simplification.patch
>
>
> The "maxPassages" input to the UnifiedHighlighter can be provided as an array to some of the public methods on UnifiedHighlighter. When it's provided as an array, the index in the array is for the field in a parallel array. I think this is awkward and furthermore it's inconsistent with the way this highlighter customizes things on a by field basis. Instead, the parameter can be a simple int default (not an array), and then there can be a protected method like {{getMaxPassageCount(String field}} that returns an Integer which, when non-null, replaces the default value for this field.
> Aside from API simplicity and consistency, this will also remove some annoying parallel array sorting going on.
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