[jira] Commented: (SOLR-461) Highlighting TokenStream Truncation capability

["Uwe Schindler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12884806#action_12884806 ] 

Uwe Schindler commented on SOLR-461:
------------------------------------

The TokenFilter for limiting Token count is already in Lucene 3.x and trunk: LimitTokenCountFilter and a Wrapping Analyzer that adds this filter on top of any existing Analyzer. I think somebody already added it to Solr, too, dont know the issue, but have seen it.

> Highlighting TokenStream Truncation capability
> ----------------------------------------------
>
>                 Key: SOLR-461
>                 URL: https://issues.apache.org/jira/browse/SOLR-461
>             Project: Solr
>          Issue Type: Improvement
>          Components: highlighter
>            Reporter: Grant Ingersoll
>            Assignee: Grant Ingersoll
>            Priority: Minor
>         Attachments: SOLR-461.patch
>
>
> It is sometimes the case when generating snippets that one need not fragment/analyze the whole document (especially for large documents) in order to show meaningful snippet highlights. 
> Patch to follow that adds a counting TokenFilter that returns null after X number of Tokens have been seen.  This filter will then be hooked into the SolrHighlighter and configurable via solrconfig.xml.  The default value will be Integer.MAX_VALUE or, I suppose, it could be set to whatever Max Field Length is set to, as well.

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