Package io.deephaven.parquet.table.region

Class ParquetColumnRegionDouble<ATTR extends Any>

java.lang.Object

io.deephaven.engine.table.impl.sources.regioned.GenericColumnRegionBase<ATTR>

io.deephaven.parquet.table.region.ParquetColumnRegionBase<ATTR>

io.deephaven.parquet.table.region.ParquetColumnRegionDouble<ATTR>

All Implemented Interfaces:

Page<ATTR>, PagingChunkSource<ATTR>, ChunkSource<ATTR>, FillContextMaker, GetContextMaker, DefaultChunkSource<ATTR>, ColumnRegion<ATTR>, ColumnRegionDouble<ATTR>, Releasable

public final class ParquetColumnRegionDouble<ATTR extends Any>
extends ParquetColumnRegionBase<ATTR>
implements ColumnRegionDouble<ATTR>

ColumnRegionDouble implementation for regions that support fetching primitive doubles from column chunk page stores.

Nested Class Summary

Nested classes/interfaces inherited from interface io.deephaven.engine.table.ChunkSource

ChunkSource.FillContext, ChunkSource.GetContext

Nested classes/interfaces inherited from interface io.deephaven.engine.table.impl.sources.regioned.ColumnRegion

ColumnRegion.Null<ATTR extends Any>

Nested classes/interfaces inherited from interface io.deephaven.engine.table.impl.sources.regioned.ColumnRegionDouble

ColumnRegionDouble.Constant<ATTR extends Any>, ColumnRegionDouble.Null<ATTR extends Any>, ColumnRegionDouble.StaticPageStore<ATTR extends Any>

Nested classes/interfaces inherited from interface io.deephaven.engine.table.impl.DefaultChunkSource

DefaultChunkSource.SupportsContiguousGet<ATTR extends Any>, DefaultChunkSource.WithPrev<ATTR extends Any>

Nested classes/interfaces inherited from interface io.deephaven.engine.page.Page

Page.WithDefaults<ATTR extends Any>, Page.WithDefaultsForRepeatingValues<ATTR extends Any>

Field Summary

Fields inherited from interface io.deephaven.engine.table.ChunkSource

DEFAULT_FILL_INSTANCE, ZERO_LENGTH_CHUNK_SOURCE_ARRAY

Constructor Summary

Constructors

Constructor	Description
ParquetColumnRegionDouble(@NotNull ColumnChunkPageStore<ATTR> columnChunkPageStore)

Method Summary

Modifier and Type	Method	Description
ChunkPage<ATTR>	getChunkPageContaining(long elementIndex)
double	getDouble(long rowKey)	Get a single double from this region.

Methods inherited from class io.deephaven.parquet.table.region.ParquetColumnRegionBase

fillChunk, fillChunkAppend, getChunk, getChunk, getChunkPageContaining, releaseCachedResources

Methods inherited from class io.deephaven.engine.table.impl.sources.regioned.GenericColumnRegionBase

invalidate, mask, throwIfInvalidated

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.deephaven.engine.table.ChunkSource

fillChunk

Methods inherited from interface io.deephaven.engine.table.impl.sources.regioned.ColumnRegion

firstRowOffset, invalidate

Methods inherited from interface io.deephaven.engine.table.impl.sources.regioned.ColumnRegionDouble

getChunkType, getDouble

Methods inherited from interface io.deephaven.engine.table.impl.DefaultChunkSource

getChunk, getChunk, getChunkByFilling, makeGetContext

Methods inherited from interface io.deephaven.engine.table.FillContextMaker

makeFillContext

Methods inherited from interface io.deephaven.engine.table.GetContextMaker

makeGetContext

Methods inherited from interface io.deephaven.engine.page.Page

advanceToNextPage, advanceToNextPage, advanceToNextPageAndGetPositionDistance, firstRow, getRowOffset

Methods inherited from interface io.deephaven.engine.page.PagingChunkSource

fillChunkAppend, makeFillContext, mask, maxRow

Methods inherited from interface io.deephaven.engine.table.Releasable

releaseCachedResources

Constructor Details

ParquetColumnRegionDouble

public ParquetColumnRegionDouble(@NotNull
 @NotNull ColumnChunkPageStore<ATTR> columnChunkPageStore)

Method Details

getDouble

public double getDouble(long rowKey)

Description copied from interface: ColumnRegionDouble

Get a single double from this region.

Specified by:

getDouble in interface ColumnRegionDouble<ATTR extends Any>

Parameters:

rowKey - Element row key in the table's address space

Returns:

The double value at the specified element row key

getChunkPageContaining

ChunkPage<ATTR> getChunkPageContaining(long elementIndex)