io.druid.segment

Interface DimensionMergerLegacy<EncodedKeyComponentType>

All Superinterfaces:

DimensionMerger<EncodedKeyComponentType>, DimensionMergerV9<EncodedKeyComponentType>

All Known Implementing Classes:

FloatDimensionMergerLegacy, LongDimensionMergerLegacy, StringDimensionMergerLegacy

public interface DimensionMergerLegacy<EncodedKeyComponentType>
extends DimensionMergerV9<EncodedKeyComponentType>

Processing related interface DimensionMerger subclass to be used with the legacy IndexMerger. NOTE: Remove this class when the legacy IndexMerger is deprecated and removed.

Method Summary

Modifier and Type	Method and Description
File	makeDimFile()
void	writeIndexesToFiles(com.google.common.io.ByteSink invertedOut, com.google.common.io.OutputSupplier<FileOutputStream> spatialOut) Write this dimension's bitmap and spatial indexes to a file.
void	writeRowValuesToFile(FileOutputSupplier rowValueOut) Write this dimension's sequence of row values to a file.
void	writeValueMetadataToFile(FileOutputSupplier valueEncodingFile) Write this dimension's value metadata to a file.

Methods inherited from interface io.druid.segment.DimensionMergerV9

makeColumnDescriptor

Methods inherited from interface io.druid.segment.DimensionMerger

canSkip, convertSegmentRowValuesToMergedRowValues, processMergedRow, writeIndexes, writeMergedValueMetadata

Method Detail

writeValueMetadataToFile

void writeValueMetadataToFile(FileOutputSupplier valueEncodingFile)
                       throws IOException

Write this dimension's value metadata to a file.

Parameters:

valueEncodingFile - Destination file

Throws:

IOException

writeRowValuesToFile

void writeRowValuesToFile(FileOutputSupplier rowValueOut)
                   throws IOException

Write this dimension's sequence of row values to a file.

Parameters:

rowValueOut - Destination file

Throws:

IOException

writeIndexesToFiles

void writeIndexesToFiles(com.google.common.io.ByteSink invertedOut,
                         com.google.common.io.OutputSupplier<FileOutputStream> spatialOut)
                  throws IOException

Write this dimension's bitmap and spatial indexes to a file.

Parameters:

invertedOut - Destination file for bitmap indexes

spatialOut - Destination file for spatial indexes

Throws:

IOException

makeDimFile

File makeDimFile()
          throws IOException

Throws:

IOException