Package org.apache.druid.query.topn

Class TopNMapFn

java.lang.Object

org.apache.druid.query.topn.TopNMapFn

public class TopNMapFn
extends Object

Constructor Summary

Constructors

Constructor	Description
TopNMapFn(TopNQuery query, TopNAlgorithm topNAlgorithm)

Method Summary

Modifier and Type	Method	Description
Result<TopNResultValue>	apply(Cursor cursor, ColumnSelectorPlus<TopNColumnAggregatesProcessor<?>> selectorPlus, CursorGranularizer granularizer, TopNQueryMetrics queryMetrics)

Methods inherited from class java.lang.Object

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

Constructor Details

TopNMapFn

public TopNMapFn(TopNQuery query,
 TopNAlgorithm topNAlgorithm)

Method Details

apply

@Nullable
public Result<TopNResultValue> apply(Cursor cursor,
 ColumnSelectorPlus<TopNColumnAggregatesProcessor<?>> selectorPlus,
 CursorGranularizer granularizer,
 @Nullable
 TopNQueryMetrics queryMetrics)