org.apache.solr.update.processor
Class FieldValueMutatingUpdateProcessor

java.lang.Object
  org.apache.solr.update.processor.UpdateRequestProcessor
      org.apache.solr.update.processor.FieldMutatingUpdateProcessor
          org.apache.solr.update.processor.FieldValueMutatingUpdateProcessor

public abstract class FieldValueMutatingUpdateProcessor
extends FieldMutatingUpdateProcessor

Abstract subclass of FieldMutatingUpdateProcessor for implementing UpdateProcessors that will mutate all individual values of a selected field independently

See Also:

FieldMutatingUpdateProcessorFactory

Nested Class Summary

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

FieldMutatingUpdateProcessor.FieldNameSelector

Field Summary

static Object

DELETE_VALUE_SINGLETON

Fields inherited from class org.apache.solr.update.processor.FieldMutatingUpdateProcessor

SELECT_ALL_FIELDS, SELECT_NO_FIELDS

Fields inherited from class org.apache.solr.update.processor.UpdateRequestProcessor

next

Constructor Summary

FieldValueMutatingUpdateProcessor(FieldMutatingUpdateProcessor.FieldNameSelector selector, UpdateRequestProcessor next)

Method Summary

protected SolrInputField	mutate(SolrInputField src) Method for mutating SolrInputFields associated with fields identified by the FieldNameSelector associated with this processor
protected abstract Object	mutateValue(Object src) Mutates individual values of a field as needed, or returns the original value.

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

createFieldNameSelector, processAdd, wrap

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

finish, processCommit, processDelete, processMergeIndexes, processRollback

Methods inherited from class java.lang.Object

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

Field Detail

DELETE_VALUE_SINGLETON

public static final Object DELETE_VALUE_SINGLETON

Constructor Detail

FieldValueMutatingUpdateProcessor

public FieldValueMutatingUpdateProcessor(FieldMutatingUpdateProcessor.FieldNameSelector selector,
                                         UpdateRequestProcessor next)

Method Detail

mutateValue

protected abstract Object mutateValue(Object src)

Mutates individual values of a field as needed, or returns the original value.

Parameters:

src - a value from a matched field which should be mutated

Returns:

the value to use as a replacement for src, or DELETE_VALUE_SINGLETON to indicate that the value should be removed completely.

See Also:

DELETE_VALUE_SINGLETON

mutate

protected final SolrInputField mutate(SolrInputField src)

Description copied from class: FieldMutatingUpdateProcessor

Method for mutating SolrInputFields associated with fields identified by the FieldNameSelector associated with this processor

Specified by:

mutate in class FieldMutatingUpdateProcessor

Parameters:

src - the SolrInputField to mutate, may be modified in place and returned

Returns:

the SolrInputField to use in replacing the original (src) value. If null the field will be removed.