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

Interface IndexHandler

All Known Implementing Classes:

BloomFilterHandler, FSTIndexHandler, H3IndexHandler, InvertedIndexHandler, JsonIndexHandler, RangeIndexHandler, TextIndexHandler

public interface IndexHandler

Interface for index handlers, which update the corresponding type of indices, like adding, removing or converting the format.

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	updateIndices(SegmentDirectory.Writer segmentWriter, IndexCreatorProvider indexCreatorProvider)	Adds new indices and removes obsolete indices.

Method Detail

updateIndices

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

Adds new indices and removes obsolete indices.

Throws:

Exception

needUpdateIndices

boolean needUpdateIndices(SegmentDirectory.Reader segmentReader)

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

Returns:

true if there is a need to update.