org.elasticsearch.index.fielddata.plain

Class ParentChildIndexFieldData

java.lang.Object

org.elasticsearch.index.AbstractIndexComponent

org.elasticsearch.index.fielddata.plain.AbstractIndexFieldData<AtomicParentChildFieldData>

org.elasticsearch.index.fielddata.plain.ParentChildIndexFieldData

All Implemented Interfaces:

IndexFieldData<AtomicParentChildFieldData>, IndexFieldData.Global<AtomicParentChildFieldData>, IndexParentChildFieldData, IndexComponent, DocumentTypeListener

public class ParentChildIndexFieldData
extends AbstractIndexFieldData<AtomicParentChildFieldData>
implements IndexParentChildFieldData, DocumentTypeListener

ParentChildIndexFieldData is responsible for loading the id cache mapping needed for has_child and has_parent queries into memory.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ParentChildIndexFieldData.Builder
class	ParentChildIndexFieldData.ParentChildEstimator Estimator that wraps parent/child id field data by wrapping the data in a RamAccountingTermsEnum.

Nested classes/interfaces inherited from class org.elasticsearch.index.fielddata.plain.AbstractIndexFieldData

AbstractIndexFieldData.PerValueEstimator

Nested classes/interfaces inherited from interface org.elasticsearch.index.fielddata.IndexFieldData

IndexFieldData.CommonSettings, IndexFieldData.Global<FD extends AtomicFieldData>, IndexFieldData.XFieldComparatorSource

Field Summary

Fields inherited from class org.elasticsearch.index.fielddata.plain.AbstractIndexFieldData

cache, fieldDataType

Fields inherited from class org.elasticsearch.index.AbstractIndexComponent

componentSettings, index, indexSettings, logger

Constructor Summary

Constructors

Constructor and Description
ParentChildIndexFieldData(Index index, Settings indexSettings, FieldMapper.Names fieldNames, FieldDataType fieldDataType, IndexFieldDataCache cache, MapperService mapperService, CircuitBreakerService breakerService)

Method Summary

Modifier and Type	Method and Description
void	afterRemove(DocumentMapper mapper) Invoked just after an existing document type has been removed.
void	beforeCreate(DocumentMapper mapper) Invoked just before a new document type has been created.
IndexFieldData.XFieldComparatorSource	comparatorSource(Object missingValue, MultiValueMode sortMode, IndexFieldData.XFieldComparatorSource.Nested nested) Comparator used for sorting.
ParentChildAtomicFieldData	loadDirect(org.apache.lucene.index.AtomicReaderContext context) Loads directly the atomic field data for the reader, ignoring any caching involved.
IndexParentChildFieldData	loadGlobal(org.apache.lucene.index.IndexReader indexReader) Load a global view of the ordinals for the given IndexReader, potentially from a cache.
IndexParentChildFieldData	localGlobalDirect(org.apache.lucene.index.IndexReader indexReader) Load a global view of the ordinals for the given IndexReader.

Methods inherited from class org.elasticsearch.index.fielddata.plain.AbstractIndexFieldData

clear, clear, getFieldDataType, getFieldNames, load

Methods inherited from class org.elasticsearch.index.AbstractIndexComponent

index, nodeName

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.index.fielddata.IndexFieldData

clear, clear, getFieldDataType, getFieldNames, load

Methods inherited from interface org.elasticsearch.index.IndexComponent

index

Constructor Detail

ParentChildIndexFieldData

public ParentChildIndexFieldData(Index index,
                                 @IndexSettings
                                 Settings indexSettings,
                                 FieldMapper.Names fieldNames,
                                 FieldDataType fieldDataType,
                                 IndexFieldDataCache cache,
                                 MapperService mapperService,
                                 CircuitBreakerService breakerService)

Method Detail

comparatorSource

public IndexFieldData.XFieldComparatorSource comparatorSource(@Nullable
                                                              Object missingValue,
                                                              MultiValueMode sortMode,
                                                              IndexFieldData.XFieldComparatorSource.Nested nested)

Description copied from interface: IndexFieldData

Comparator used for sorting.

Specified by:

comparatorSource in interface IndexFieldData<AtomicParentChildFieldData>

loadDirect

public ParentChildAtomicFieldData loadDirect(org.apache.lucene.index.AtomicReaderContext context)
                                      throws Exception

Description copied from interface: IndexFieldData

Loads directly the atomic field data for the reader, ignoring any caching involved.

Specified by:

loadDirect in interface IndexFieldData<AtomicParentChildFieldData>

Throws:

Exception

beforeCreate

public void beforeCreate(DocumentMapper mapper)

Description copied from interface: DocumentTypeListener

Invoked just before a new document type has been created.

Specified by:

beforeCreate in interface DocumentTypeListener

Parameters:

mapper - The new document mapper of the type being added

afterRemove

public void afterRemove(DocumentMapper mapper)

Description copied from interface: DocumentTypeListener

Invoked just after an existing document type has been removed.

Specified by:

afterRemove in interface DocumentTypeListener

Parameters:

mapper - The existing document mapper of the type being removed

loadGlobal

public IndexParentChildFieldData loadGlobal(org.apache.lucene.index.IndexReader indexReader)

Description copied from interface: IndexParentChildFieldData

Load a global view of the ordinals for the given IndexReader, potentially from a cache.

Specified by:

loadGlobal in interface IndexFieldData.Global<AtomicParentChildFieldData>

Specified by:

loadGlobal in interface IndexParentChildFieldData

localGlobalDirect

public IndexParentChildFieldData localGlobalDirect(org.apache.lucene.index.IndexReader indexReader)
                                            throws Exception

Description copied from interface: IndexParentChildFieldData

Load a global view of the ordinals for the given IndexReader.

Specified by:

localGlobalDirect in interface IndexFieldData.Global<AtomicParentChildFieldData>

Specified by:

localGlobalDirect in interface IndexParentChildFieldData

Throws:

Exception