org.apache.solr.update.processor
Class RemoveBlankFieldUpdateProcessorFactory

java.lang.Object
  org.apache.solr.update.processor.UpdateRequestProcessorFactory
      org.apache.solr.update.processor.FieldMutatingUpdateProcessorFactory
          org.apache.solr.update.processor.RemoveBlankFieldUpdateProcessorFactory

All Implemented Interfaces:

NamedListInitializedPlugin, SolrCoreAware

public final class RemoveBlankFieldUpdateProcessorFactory
extends FieldMutatingUpdateProcessorFactory

Removes any values found which are CharSequence with a length of 0. (ie: empty strings)

By default this processor applies itself to all fields.

For example, with the configuration listed below, blank strings will be removed from all fields except those whose name ends with "_literal".

 <processor class="solr.RemoveBlankFieldUpdateProcessorFactory">
   <lst name="exclude">
     <str name="fieldRegex">.*_literal</str>
   </lst>
 </processor>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.solr.update.processor.FieldMutatingUpdateProcessorFactory

FieldMutatingUpdateProcessorFactory.SelectorParams

Nested classes/interfaces inherited from class org.apache.solr.update.processor.UpdateRequestProcessorFactory

UpdateRequestProcessorFactory.RunAlways

Constructor Summary

RemoveBlankFieldUpdateProcessorFactory()

Method Summary

UpdateRequestProcessor	getInstance(SolrQueryRequest req, SolrQueryResponse rsp, UpdateRequestProcessor next)
void	init(NamedList args) Handles common initialization related to source fields for constructing the FieldNameSelector to be used.

Methods inherited from class org.apache.solr.update.processor.FieldMutatingUpdateProcessorFactory

getBooleanArg, getDefaultSelector, getSelector, inform, oneOrMany, parseSelectorExclusionParams, parseSelectorParams

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RemoveBlankFieldUpdateProcessorFactory

public RemoveBlankFieldUpdateProcessorFactory()

Method Detail

init

public void init(NamedList args)

Description copied from class: FieldMutatingUpdateProcessorFactory

Handles common initialization related to source fields for constructing the FieldNameSelector to be used. Will error if any unexpected init args are found, so subclasses should remove any subclass-specific init args before calling this method.

Specified by:

init in interface NamedListInitializedPlugin

Overrides:

init in class FieldMutatingUpdateProcessorFactory

getInstance

public UpdateRequestProcessor getInstance(SolrQueryRequest req,
                                          SolrQueryResponse rsp,
                                          UpdateRequestProcessor next)

Specified by:

getInstance in class UpdateRequestProcessorFactory