Module org.elasticsearch.compute

Package org.elasticsearch.compute.aggregation.table

Class RowInTableLookup

java.lang.Object

org.elasticsearch.compute.aggregation.table.RowInTableLookup

All Implemented Interfaces:

Closeable, AutoCloseable, Releasable

Direct Known Subclasses:

AscendingSequenceRowInTableLookup, EmptyRowInTableLookup

public abstract sealed class RowInTableLookup
extends Object
implements Releasable
permits EmptyRowInTableLookup, AscendingSequenceRowInTableLookup (not exhaustive)

Consumes Pages and looks up each row in a pre-built table, and returns the offsets of each row in the table.

Constructor Summary

Constructors

Constructor	Description
RowInTableLookup()

Method Summary

Modifier and Type	Method	Description
static RowInTableLookup	build(BlockFactory blockFactory, Block[] keys)
abstract ReleasableIterator<IntBlock>	lookup(Page page, ByteSizeValue targetBlockSize)	Lookup the values in the Page and, for each row, return the offset in the table that was provided when building the lookup.
abstract String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.core.Releasable

close

Constructor Details

RowInTableLookup

public RowInTableLookup()

Method Details

lookup

public abstract ReleasableIterator<IntBlock> lookup(Page page,
 ByteSizeValue targetBlockSize)

Lookup the values in the Page and, for each row, return the offset in the table that was provided when building the lookup.

The returned ReleasableIterator may retain a reference to Blocks inside the Page. Close it to release those references.

toString

public abstract String toString()

Overrides:

toString in class Object

build

public static RowInTableLookup build(BlockFactory blockFactory,
 Block[] keys)