Package io.deephaven.engine.table.impl.sources

Interface DeferredGroupingColumnSource<DATA_TYPE>

All Superinterfaces:

ChunkSource<Values>, ChunkSource.WithPrev<Values>, ColumnSource<DATA_TYPE>, ElementSource<DATA_TYPE>, FillContextMaker, GetContextMaker, Releasable, TupleExporter<DATA_TYPE>, TupleSource<DATA_TYPE>

All Known Subinterfaces:

RegionedColumnSource<DATA_TYPE>

All Known Implementing Classes:

AbstractDeferredGroupingColumnSource, ArrayBackedColumnSource, BooleanArraySource, BooleanSparseArraySource, ByteArraySource, ByteSparseArraySource, CharacterArraySource, CharacterSparseArraySource, DoubleArraySource, DoubleSparseArraySource, FloatArraySource, FloatSparseArraySource, Immutable2DByteArraySource, Immutable2DCharArraySource, Immutable2DDoubleArraySource, Immutable2DFloatArraySource, Immutable2DInstantArraySource, Immutable2DIntArraySource, Immutable2DLongArraySource, Immutable2DNanosBasedTimeArraySource, Immutable2DObjectArraySource, Immutable2DShortArraySource, Immutable2DZonedDateTimeArraySource, ImmutableByteArraySource, ImmutableCharArraySource, ImmutableDoubleArraySource, ImmutableFloatArraySource, ImmutableInstantArraySource, ImmutableIntArraySource, ImmutableLongArraySource, ImmutableNanosBasedTimeArraySource, ImmutableObjectArraySource, ImmutableShortArraySource, ImmutableZonedDateTimeArraySource, InstantArraySource, InstantSparseArraySource, IntegerArraySource, IntegerSparseArraySource, LongArraySource, LongSparseArraySource, NanosBasedTimeArraySource, NanosBasedTimeSparseArraySource, ObjectArraySource, ObjectSparseArraySource, RedirectedColumnSource, ShortArraySource, ShortSparseArraySource, SparseArrayColumnSource, WritableRedirectedColumnSource, ZonedDateTimeArraySource, ZonedDateTimeSparseArraySource

public interface DeferredGroupingColumnSource<DATA_TYPE>
extends ColumnSource<DATA_TYPE>

A column source that optionally makes available a provider for grouping metadata.

Nested Class Summary

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

ChunkSource.FillContext, ChunkSource.GetContext, ChunkSource.WithPrev<ATTR extends Any>

Field Summary

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

DEFAULT_FILL_INSTANCE, ZERO_LENGTH_CHUNK_SOURCE_ARRAY

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

ZERO_LENGTH_CHUNK_SOURCE_WITH_PREV_ARRAY

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

ZERO_LENGTH_COLUMN_SOURCE_ARRAY

Method Summary

Modifier and Type	Method	Description
GroupingProvider<DATA_TYPE>	getGroupingProvider()
void	setGroupingProvider(@Nullable GroupingProvider<DATA_TYPE> groupingProvider)	Supply a provider that will lazily construct the group-to-range map.
void	setGroupToRange(@Nullable Map<DATA_TYPE,RowSet> groupToRange)	Set the map returned by getGroupToRange().

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

fillChunk, getChunk, getChunk

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

fillPrevChunk, getPrevChunk, getPrevChunk

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

allowsReinterpret, cast, cast, createPreviousTuple, createTuple, createTupleFromValues, exportElement, exportElement, getChunkType, getComponentType, getGroupToRange, getGroupToRange, getPrevSource, getType, getValuesMapping, isImmutable, isStateless, match, reinterpret, releaseCachedResources, startTrackingPrevValues

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

get, getBoolean, getByte, getChar, getDouble, getFloat, getInt, getLong, getPrev, getPrevBoolean, getPrevByte, getPrevChar, getPrevDouble, getPrevFloat, getPrevInt, getPrevLong, getPrevShort, getShort

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

makeFillContext, makeFillContext

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

makeGetContext, makeGetContext

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

exportElementReinterpreted

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

createTupleFromReinterpretedValues, getColumnSources

Method Details

setGroupToRange

void setGroupToRange(@Nullable
 @Nullable Map<DATA_TYPE,RowSet> groupToRange)

Set the map returned by getGroupToRange().

Parameters:

groupToRange - The map

getGroupingProvider

GroupingProvider<DATA_TYPE> getGroupingProvider()

Returns:

A provider previously set by setGroupingProvider(io.deephaven.engine.table.impl.locations.GroupingProvider)

setGroupingProvider

void setGroupingProvider(@Nullable
 @Nullable GroupingProvider<DATA_TYPE> groupingProvider)

Supply a provider that will lazily construct the group-to-range map.

Parameters:

groupingProvider - The provider