Module org.elasticsearch.compute

Package org.elasticsearch.compute.operator

Class TimeSeriesAggregationOperator

java.lang.Object

org.elasticsearch.compute.operator.HashAggregationOperator

org.elasticsearch.compute.operator.TimeSeriesAggregationOperator

All Implemented Interfaces:

Closeable, AutoCloseable, Operator, org.elasticsearch.core.Releasable

public class TimeSeriesAggregationOperator
extends HashAggregationOperator

A specialized version of HashAggregationOperator that aggregates time-series aggregations from time-series sources.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	TimeSeriesAggregationOperator.Factory

Nested classes/interfaces inherited from class org.elasticsearch.compute.operator.HashAggregationOperator

HashAggregationOperator.HashAggregationOperatorFactory, HashAggregationOperator.Status

Nested classes/interfaces inherited from interface org.elasticsearch.compute.operator.Operator

Operator.OperatorFactory

Field Summary

Fields inherited from class org.elasticsearch.compute.operator.HashAggregationOperator

aggregators, driverContext, emitNanos

Fields inherited from interface org.elasticsearch.compute.operator.Operator

MIN_TARGET_PAGE_SIZE, NOT_BLOCKED, TARGET_PAGE_SIZE

Constructor Summary

Constructors

Constructor	Description
TimeSeriesAggregationOperator(Rounding.Prepared timeBucket, DateFieldMapper.Resolution timeResolution, List<GroupingAggregator.Factory> aggregators, Supplier<BlockHash> blockHash, DriverContext driverContext)

Method Summary

Modifier and Type	Method	Description
void	close()	notifies the operator that it won't be used anymore (i.e.
protected void	evaluateAggregator(GroupingAggregator aggregator, Block[] blocks, int offset, IntVector selected, GroupingAggregatorEvaluationContext evaluationContext)
protected GroupingAggregatorEvaluationContext	evaluationContext(BlockHash blockHash, Block[] keys)
void	finish()	notifies the operator that it won't receive any more input pages

Methods inherited from class org.elasticsearch.compute.operator.HashAggregationOperator

addInput, checkState, getOutput, isFinished, needsInput, status, toString, wrapPage

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.compute.operator.Operator

isBlocked

Constructor Details

TimeSeriesAggregationOperator

public TimeSeriesAggregationOperator(Rounding.Prepared timeBucket,
 DateFieldMapper.Resolution timeResolution,
 List<GroupingAggregator.Factory> aggregators,
 Supplier<BlockHash> blockHash,
 DriverContext driverContext)

Method Details

finish

public void finish()

Description copied from interface: Operator

notifies the operator that it won't receive any more input pages

Specified by:

finish in interface Operator

Overrides:

finish in class HashAggregationOperator

evaluateAggregator

protected void evaluateAggregator(GroupingAggregator aggregator,
 Block[] blocks,
 int offset,
 IntVector selected,
 GroupingAggregatorEvaluationContext evaluationContext)

Overrides:

evaluateAggregator in class HashAggregationOperator

evaluationContext

protected GroupingAggregatorEvaluationContext evaluationContext(BlockHash blockHash,
 Block[] keys)

Overrides:

evaluationContext in class HashAggregationOperator

close

public void close()

Description copied from interface: Operator

notifies the operator that it won't be used anymore (i.e. none of the other methods called), and its resources can be cleaned up

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface Operator

Specified by:

close in interface org.elasticsearch.core.Releasable

Overrides:

close in class HashAggregationOperator