Package org.apache.solr.response.transform

Class TransformerFactory

java.lang.Object

org.apache.solr.response.transform.TransformerFactory

All Implemented Interfaces:

NamedListInitializedPlugin

Direct Known Subclasses:

ChildDocTransformerFactory, DocIdAugmenterFactory, ElevatedMarkerFactory, ExcludedMarkerFactory, ExplainAugmenterFactory, GeoTransformerFactory, RawValueTransformerFactory, ShardAugmenterFactory, SubQueryAugmenterFactory, ValueAugmenterFactory

public abstract class TransformerFactory
extends Object
implements NamedListInitializedPlugin

New instance for each request

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	TransformerFactory.FieldRenamer	The TransformerFactory.FieldRenamer interface should be implemented by any TransformerFactory capable of generating transformers that might rename fields, and should implement TransformerFactory.FieldRenamer.create(String, SolrParams, SolrQueryRequest, Map, Set) in place of create(String, SolrParams, SolrQueryRequest) (with the latter method overridden to throw UnsupportedOperationException).

Field Summary

Fields

Modifier and Type	Field	Description
static Map<String,TransformerFactory>	defaultFactories
protected String	defaultUserArgs

Constructor Summary

Constructors

Constructor	Description
TransformerFactory()

Method Summary

Modifier and Type	Method	Description
abstract DocTransformer	create(String field, SolrParams params, SolrQueryRequest req)
void	init(NamedList<?> args)	init will be called just once, immediately after creation.

Methods inherited from class java.lang.Object

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

Field Detail

defaultUserArgs

protected String defaultUserArgs

defaultFactories

public static final Map<String,TransformerFactory> defaultFactories

Constructor Detail

TransformerFactory

public TransformerFactory()

Method Detail

init

public void init(NamedList<?> args)

Description copied from interface: NamedListInitializedPlugin

init will be called just once, immediately after creation.

Source of the initialization arguments will typically be solrconfig.xml, but will ultimately depends on the plugin itself

Specified by:

init in interface NamedListInitializedPlugin

Parameters:

args - non-null list of initialization parameters (may be empty)

create

public abstract DocTransformer create(String field,
                                      SolrParams params,
                                      SolrQueryRequest req)