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https://issues.apache.org/jira/browse/SOLR-1725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uri Boness updated SOLR-1725:
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Attachment: SOLR-1725.patch
Initial implementation. Includes a simple test (probably more tests are
required). Builds a script engine per script file - each file has its own scope.
This patch also introduces a new Interface - {{SolrResourceLoaderAware}} which
can be used by any plugin loaded by SolrCore. (Any plugin implementing this
interface will be injected by the resource loader of the SolrCore). The
ScriptUpdateRequestProcessorFactory uses the resource loader to load the
scripts from solr home conf directory.
> 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
> Attachments: 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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