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From "Ryan McKinley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-2112) Solrj should support streaming response
Date Mon, 13 Sep 2010 20:03:34 GMT

     [ https://issues.apache.org/jira/browse/SOLR-2112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ryan McKinley updated SOLR-2112:
--------------------------------

    Attachment: SOLR-2112-StreamingSolrj.patch

ah yes, good point.

Here is an updated patch using:
{code:java}
public abstract class StreamingResponseCallback {
  /*
   * Called for each SolrDocument in the response
   */
  public abstract void streamSolrDocument( SolrDocument doc );

  /*
   * Called at the beginning of each DocList (and SolrDocumentList)
   */
  public abstract void streamDocListInfo( long numFound, long start, Float maxScore );
}
{code}

> Solrj should support streaming response
> ---------------------------------------
>
>                 Key: SOLR-2112
>                 URL: https://issues.apache.org/jira/browse/SOLR-2112
>             Project: Solr
>          Issue Type: New Feature
>          Components: clients - java
>            Reporter: Ryan McKinley
>             Fix For: 4.0
>
>         Attachments: SOLR-2112-StreamingSolrj.patch, SOLR-2112-StreamingSolrj.patch,
SOLR-2112-StreamingSolrj.patch
>
>
> The solrj API should optionally support streaming documents.
> Rather then putting all results into a SolrDocumentList, sorlj should be able to call
a callback function after each document is parsed.  This would allow someone to call query.setRows(
Integer.MAX_INT ) and get each result to the client without loading them all into memory.
> For starters, I think the important things to stream are SolrDocuments, but down the
road, this could also stream other things (consider reading all terms from the index)

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