Interface ColumnRegionDouble<ATTR extends Attributes.Any>
- All Superinterfaces:
ChunkSource<ATTR>
,ColumnRegion<ATTR>
,FillContextMaker
,GetContextMaker
,Page<ATTR>
,PagingChunkSource<ATTR>
,Releasable
- All Known Implementing Classes:
BufferedColumnRegionDouble
,ColumnRegionDouble.Null
,ColumnRegionDouble.StaticPageStore
,DeferredColumnRegionDouble
,ParquetColumnRegionDouble
public interface ColumnRegionDouble<ATTR extends Attributes.Any> extends ColumnRegion<ATTR>
Column region interface for regions that support fetching primitive doubles.
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Nested Class Summary
Nested Classes Modifier and Type Interface Description static class
ColumnRegionDouble.Null<ATTR extends Attributes.Any>
static class
ColumnRegionDouble.StaticPageStore<ATTR extends Attributes.Any>
Nested classes/interfaces inherited from interface com.illumon.iris.db.v2.sources.chunk.ChunkSource
ChunkSource.FillContext, ChunkSource.GetContext, ChunkSource.WithPrev<ATTR extends Attributes.Any>
Nested classes/interfaces inherited from interface com.illumon.iris.db.v2.sources.chunk.page.Page
Page.WithDefaults<ATTR extends Attributes.Any>, Page.WithDefaultsForRepeatingValues<ATTR extends Attributes.Any>
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Field Summary
Fields inherited from interface com.illumon.iris.db.v2.sources.chunk.ChunkSource
DEFAULT_FILL_INSTANCE, ZERO_LENGTH_CHUNK_SOURCE_ARRAY
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Method Summary
Modifier and Type Method Description static <ATTR extends Attributes.Any>
ColumnRegionDouble.Null<ATTR>createNull()
double
getDouble(long elementIndex)
Get a single double from this region.default double
getDouble(ChunkSource.FillContext context, long elementIndex)
Get a single double from this region.default Class<?>
getNativeType()
Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.ChunkSource
fillChunk, getChunk, getChunk, getChunkType
Methods inherited from interface com.illumon.iris.db.v2.sources.regioned.ColumnRegion
firstRowOffset, mask
Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.FillContextMaker
makeFillContext, makeFillContext
Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.GetContextMaker
makeGetContext, makeGetContext
Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.page.Page
advanceToNextPage, advanceToNextPage, advanceToNextPageAndGetPositionDistance, firstRow, getRowOffset, lastRow, length
Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.page.PagingChunkSource
fillChunkAppend, maxRow
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Method Details
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getDouble
double getDouble(long elementIndex)Get a single double from this region.- Parameters:
elementIndex
- Element (double) index in the table's address space- Returns:
- The double value at the specified element (double) index
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getDouble
Get a single double from this region.- Parameters:
context
- AColumnRegionFillContext
to enable resource caching where suitable, with current region index pointing to this regionelementIndex
- Element (double) index in the table's address space- Returns:
- The double value at the specified element (double) index
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getNativeType
- Specified by:
getNativeType
in interfaceChunkSource<ATTR extends Attributes.Any>
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createNull
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