Package io.deephaven.engine.table.impl.by

Class HashedRunFinder

java.lang.Object

io.deephaven.engine.table.impl.by.HashedRunFinder

public class HashedRunFinder
extends Object

Finds runs of the same slot, and fills in the chunkPositions, runStarts, and runLengths arrays. The slots are not in order; like slots are simply grouped together such that each slot is only represented in the chunk one time.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HashedRunFinder.HashedRunContext

Constructor Summary

Constructors

Constructor	Description
HashedRunFinder()

Method Summary

Modifier and Type	Method	Description
static boolean	findRunsHashed(HashedRunFinder.HashedRunContext context, WritableIntChunk<ChunkPositions> runStarts, WritableIntChunk<ChunkLengths> runLengths, WritableIntChunk<ChunkPositions> chunkPositions, WritableIntChunk<RowKeys> outputPositions)

Methods inherited from class java.lang.Object

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

Constructor Details

HashedRunFinder

public HashedRunFinder()

Method Details

findRunsHashed

public static boolean findRunsHashed(HashedRunFinder.HashedRunContext context,
 WritableIntChunk<ChunkPositions> runStarts,
 WritableIntChunk<ChunkLengths> runLengths,
 WritableIntChunk<ChunkPositions> chunkPositions,
 WritableIntChunk<RowKeys> outputPositions)