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From "Steven Rowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-1725) Script based UpdateRequestProcessorFactory
Date Mon, 06 Aug 2012 23:44:02 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429585#comment-13429585
] 

Steven Rowe commented on SOLR-1725:
-----------------------------------

On IRC, Uwe suggested adding the Rhino jars to {{$JAVA_HOME/jre/lib/ext/}} on the FreeBSD
ASF Jenkins lucene slave ({{lucene.zones.apache.org}}) to allow both Ant and Maven build jobs
to enable scripting tests.  I copied {{js.jar}} and {{script-js.jar}} from {{/usr/home/hudson/tools/java/openjdk-missing-libs/}}
to {{/usr/local/openjdk{6,7}/jre/lib/ext/}}, and the {{ScriptEngineTest}} tests under the
Maven branch_4x job have succeeded, except for{{testJRuby()}}, which was skipped (as expected).

I also removed {{js.jar}} and {{script-js.jar}} from {{~hudson/.ant/lib/}}.
                
> Script based UpdateRequestProcessorFactory
> ------------------------------------------
>
>                 Key: SOLR-1725
>                 URL: https://issues.apache.org/jira/browse/SOLR-1725
>             Project: Solr
>          Issue Type: New Feature
>          Components: update
>    Affects Versions: 1.4
>            Reporter: Uri Boness
>            Priority: Critical
>              Labels: UpdateProcessor
>             Fix For: 4.0
>
>         Attachments: SOLR-1725-rev1.patch, SOLR-1725.patch, SOLR-1725.patch, SOLR-1725.patch,
SOLR-1725.patch, SOLR-1725.patch, SOLR-1725.patch, SOLR-1725.patch, SOLR-1725.patch, SOLR-1725.patch,
SOLR-1725.patch, SOLR-1725.patch, SOLR-1725.patch, SOLR-1725.patch, SOLR-1725.patch
>
>
> A script based UpdateRequestProcessorFactory (Uses JDK6 script engine support). The main
goal of this plugin is to be able to configure/write update processors without the need to
write and package Java code.
> The update request processor factory enables writing update processors in scripts located
in {{solr.solr.home}} directory. The functory accepts one (mandatory) configuration parameter
named {{scripts}} which accepts a comma-separated list of file names. It will look for these
files under the {{conf}} directory in solr home. When multiple scripts are defined, their
execution order is defined by the lexicographical order of the script file name (so {{scriptA.js}}
will be executed before {{scriptB.js}}).
> The script language is resolved based on the script file extension (that is, a *.js files
will be treated as a JavaScript script), therefore an extension is mandatory.
> Each script file is expected to have one or more methods with the same signature as the
methods in the {{UpdateRequestProcessor}} interface. It is *not* required to define all methods,
only those hat are required by the processing logic.
> The following variables are define as global variables for each script:
>  * {{req}} - The SolrQueryRequest
>  * {{rsp}}- The SolrQueryResponse
>  * {{logger}} - A logger that can be used for logging purposes in the script

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