Package org.apache.pinot.segment.local.segment.index.loader.invertedindex

Class InvertedIndexHandler

java.lang.Object

org.apache.pinot.segment.local.segment.index.loader.BaseIndexHandler

org.apache.pinot.segment.local.segment.index.loader.invertedindex.InvertedIndexHandler

All Implemented Interfaces:

IndexHandler

public class InvertedIndexHandler
extends BaseIndexHandler

Field Summary

Fields inherited from class org.apache.pinot.segment.local.segment.index.loader.BaseIndexHandler

_indexLoadingConfig, _segmentMetadata, _tmpForwardIndexColumns

Constructor Summary

Constructors

Constructor	Description
InvertedIndexHandler(SegmentMetadata segmentMetadata, IndexLoadingConfig indexLoadingConfig)

Method Summary

Modifier and Type	Method	Description
boolean	needUpdateIndices(SegmentDirectory.Reader segmentReader)	Check if there is a need to add new indices or removes obsolete indices.
void	postUpdateIndicesCleanup(SegmentDirectory.Writer segmentWriter)	Performs any cleanup actions required after the indexes have been updated.
void	updateIndices(SegmentDirectory.Writer segmentWriter, IndexCreatorProvider indexCreatorProvider)	Adds new indices and removes obsolete indices.

Methods inherited from class org.apache.pinot.segment.local.segment.index.loader.BaseIndexHandler

createForwardIndexIfNeeded

Methods inherited from class java.lang.Object

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

Constructor Detail

InvertedIndexHandler

public InvertedIndexHandler(SegmentMetadata segmentMetadata,
                            IndexLoadingConfig indexLoadingConfig)

Method Detail

needUpdateIndices

public boolean needUpdateIndices(SegmentDirectory.Reader segmentReader)

Description copied from interface: IndexHandler

Check if there is a need to add new indices or removes obsolete indices.

Returns:

true if there is a need to update.

updateIndices

public void updateIndices(SegmentDirectory.Writer segmentWriter,
                          IndexCreatorProvider indexCreatorProvider)
                   throws IOException

Description copied from interface: IndexHandler

Adds new indices and removes obsolete indices.

Throws:

IOException

postUpdateIndicesCleanup

public void postUpdateIndicesCleanup(SegmentDirectory.Writer segmentWriter)
                              throws Exception

Description copied from interface: IndexHandler

Performs any cleanup actions required after the indexes have been updated. Should be called only after all IndexHandlers have run.

Specified by:

postUpdateIndicesCleanup in interface IndexHandler

Overrides:

postUpdateIndicesCleanup in class BaseIndexHandler

Throws:

Exception