Package org.apache.druid.query.aggregation.cardinality.types

Class CardinalityAggregatorColumnSelectorStrategyFactory

java.lang.Object

org.apache.druid.query.aggregation.cardinality.types.CardinalityAggregatorColumnSelectorStrategyFactory

All Implemented Interfaces:

ColumnSelectorStrategyFactory<CardinalityAggregatorColumnSelectorStrategy>

public class CardinalityAggregatorColumnSelectorStrategyFactory
extends Object
implements ColumnSelectorStrategyFactory<CardinalityAggregatorColumnSelectorStrategy>

Constructor Summary

Constructors

Constructor	Description
CardinalityAggregatorColumnSelectorStrategyFactory()

Method Summary

Modifier and Type	Method	Description
CardinalityAggregatorColumnSelectorStrategy	makeColumnSelectorStrategy(ColumnCapabilities capabilities, ColumnValueSelector selector, String dimension)
boolean	supportsComplexTypes()	Whether the strategy supports complex types.

Methods inherited from class java.lang.Object

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

Constructor Detail

CardinalityAggregatorColumnSelectorStrategyFactory

public CardinalityAggregatorColumnSelectorStrategyFactory()

Method Detail

makeColumnSelectorStrategy

public CardinalityAggregatorColumnSelectorStrategy makeColumnSelectorStrategy(ColumnCapabilities capabilities,
                                                                              ColumnValueSelector selector,
                                                                              String dimension)

Specified by:

makeColumnSelectorStrategy in interface ColumnSelectorStrategyFactory<CardinalityAggregatorColumnSelectorStrategy>

supportsComplexTypes

public boolean supportsComplexTypes()

Description copied from interface: ColumnSelectorStrategyFactory

Whether the strategy supports complex types. If a strategy doesn't support the complex types, they can either throw an unsupported exception or treat them like strings.

Specified by:

supportsComplexTypes in interface ColumnSelectorStrategyFactory<CardinalityAggregatorColumnSelectorStrategy>