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https://issues.apache.org/jira/browse/LUCENE-4012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Sokolov updated LUCENE-4012:
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Summary: Make all query classes serializable, and provide a query parser to
consume them (was: Make all query classes serializable with Jackson, and
provide a trivial query parser to consume them)
> Make all query classes serializable, and provide a query parser to consume
> them
> -------------------------------------------------------------------------------
>
> Key: LUCENE-4012
> URL: https://issues.apache.org/jira/browse/LUCENE-4012
> Project: Lucene - Core
> Issue Type: New Feature
> Components: core/queryparser
> Affects Versions: 4.0-ALPHA
> Reporter: Benson Margulies
> Priority: Major
> Attachments: bq.patch
>
>
> I started off on LUCENE-4004 wanting to use DisjunctionMaxQuery via a parser.
> However, this wasn't really because I thought that human beans should be
> improvisationally composing such thing. My real goal was to concoct a query
> tree over *here*, and then serialize it to send to Solr over *there*.
> It occurs to me that if the Xml parser is pretty good for this, JSON would be
> better. It further occurs to me that the query classes may already all work
> with Jackson, and, if they don't, the required tweaks will be quite small. By
> allowing Jackson to write out class names as needed, you get the ability to
> serialize *any* query, so long as the other side has the classes in class
> path. A trifle verbose, but not as verbose as XML, and furthermore squishable
> (though not in a URL) via SMILE or BSON.
> So, the goal of this JIRA is to accumulate tweaks to the query classes to
> make them more 'bean pattern'. An alternative would be Jackson annotations.
> However, I suspect that folks would be happier to minimize the level of
> coupling here; in the extreme, the trivial parser could live in contrib if no
> one wants a dependency, even optional, on Jackson itself.
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