io.druid.segment

Interface SingleValueDimensionSelector

All Superinterfaces:

ColumnValueSelector, DimensionSelector, HotLoopCallee

All Known Subinterfaces:

SingleValueHistoricalDimensionSelector

All Known Implementing Classes:

BaseSingleValueDimensionSelector, ConstantDimensionSelector, DoubleWrappingDimensionSelector, FloatWrappingDimensionSelector, LongWrappingDimensionSelector, NullDimensionSelector, SingleScanTimeDimSelector

public interface SingleValueDimensionSelector
extends DimensionSelector

Specialization for DimensionSelectors, always having a single value in DimensionSelector.getRow().

Field Summary

Fields inherited from interface io.druid.segment.DimensionSelector

CARDINALITY_UNKNOWN

Method Summary

Modifier and Type	Method and Description
int	getRowValue() Returns a single value of DimensionSelector.getRow().

Methods inherited from interface io.druid.segment.DimensionSelector

classOfObject, getDouble, getFloat, getLong, getObject, getRow, getValueCardinality, idLookup, lookupName, makeValueMatcher, makeValueMatcher, nameLookupPossibleInAdvance

Methods inherited from interface io.druid.query.monomorphicprocessing.HotLoopCallee

inspectRuntimeShape

Method Detail

getRowValue

@CalledFromHotLoop
int getRowValue()

Returns a single value of DimensionSelector.getRow().