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The "ScriptUpdateProcessor" page has been changed by ErikHatcher: http://wiki.apache.org/solr/ScriptUpdateProcessor?action=diff&rev1=8&rev2=9 The processAdd() and the other script methods can return false to skip further processing of the document. All methods must be defined, though generally the processAdd() method is where the action is. - == !JavaScript == + == JavaScript == Note: There is a !JavaScript example (update-script.js) built into the Solr 4 and up example collection1 configuration. Check solrconfig.xml and uncomment the update request processor definition to enable this feature. @@ -118, +118 @@ == JRuby == - TBD + To use JRuby as the scripting engine, add jruby.jar to your system (in a lib/ directory under a collection, or via <lib> directives in solrconfig.xml). + + Here's an example JRuby update processing script (note that all variables passed require prefixing with $, such as $logger): + + {{{ + def processAdd(cmd) + doc = cmd.solrDoc # org.apache.solr.common.SolrInputDocument + id = doc.getFieldValue('id') + + $logger.info "update-script#processAdd: id=#{id}" + + doc.setField('source_s', 'ruby') + + $logger.info "update-script#processAdd: config_param=#{$params.get('config_param')}" + end + + def processDelete(cmd) + # no-op + end + + def processMergeIndexes(cmd) + # no-op + end + + def processCommit(cmd) + # no-op + end + + def processRollback(cmd) + # no-op + end + + def finish() + # no-op + end + }}} + + ==== Known issues ==== + + The following in JRuby do not work as expected for some reason, though it does work properly in JavaScript: + + {{{ + # $logger.info "update-script#processAdd: request_param=#{$req.getParams('request_param')}" + # $rsp.add('script_processed',id) # this is not working! + }}} == Jython == - TBD + TODO = Caveats = - TBD: More on the "stateless" nature, running multiple scripts that can share state, and more about other scripting languages available. + TBD: Add more on the "stateless" nature, running multiple scripts that can share state, and more about other scripting languages available. = Resources =
