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

Class AbstractDeferredGroupingColumnSource<T>

java.lang.Object

io.deephaven.engine.table.impl.AbstractColumnSource<T>

io.deephaven.engine.table.impl.sources.AbstractDeferredGroupingColumnSource<T>

All Implemented Interfaces:

ChunkSource<Values>, ChunkSource.WithPrev<Values>, ColumnSource<T>, ElementSource<T>, FillContextMaker, GetContextMaker, DefaultChunkSource<Values>, DefaultChunkSource.WithPrev<Values>, DeferredGroupingColumnSource<T>, Releasable, TupleExporter<T>, TupleSource<T>

Direct Known Subclasses:

ArrayBackedColumnSource, Immutable2DByteArraySource, Immutable2DCharArraySource, Immutable2DDoubleArraySource, Immutable2DFloatArraySource, Immutable2DIntArraySource, Immutable2DLongArraySource, Immutable2DNanosBasedTimeArraySource, Immutable2DObjectArraySource, Immutable2DShortArraySource, ImmutableByteArraySource, ImmutableCharArraySource, ImmutableDoubleArraySource, ImmutableFloatArraySource, ImmutableIntArraySource, ImmutableLongArraySource, ImmutableNanosBasedTimeArraySource, ImmutableObjectArraySource, ImmutableShortArraySource, NanosBasedTimeArraySource, NanosBasedTimeSparseArraySource, RedirectedColumnSource, SparseArrayColumnSource

public abstract class AbstractDeferredGroupingColumnSource<T>
extends AbstractColumnSource<T>
implements DeferredGroupingColumnSource<T>

Adds deferred grouping support to AbstractColumnSource.

Nested Class Summary

Nested classes/interfaces inherited from class io.deephaven.engine.table.impl.AbstractColumnSource

AbstractColumnSource.DefaultedImmutable<DATA_TYPE>, AbstractColumnSource.DefaultedMutable<DATA_TYPE>

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

ChunkSource.FillContext, ChunkSource.GetContext, ChunkSource.WithPrev<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>

Field Summary

Fields inherited from class io.deephaven.engine.table.impl.AbstractColumnSource

componentType, groupToRange, rowSetIndexerKey, type, updateGraph, USE_RANGES_AVERAGE_RUN_LENGTH

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

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractDeferredGroupingColumnSource(Class<T> type)
protected	AbstractDeferredGroupingColumnSource(Class<T> type, Class<?> componentType)

Method Summary

Modifier and Type	Method	Description
GroupingProvider<T>	getGroupingProvider()
final Map<T,RowSet>	getGroupToRange()	Compute grouping information for all keys present in this column source.
final Map<T,RowSet>	getGroupToRange(RowSet rowSet)	Compute grouping information for (at least) all keys present in rowSet.
final void	setGroupingProvider(@Nullable GroupingProvider<T> groupingProvider)	Set a grouping provider for use in lazily-constructing groupings.

Methods inherited from class io.deephaven.engine.table.impl.AbstractColumnSource

allowsReinterpret, defaultFillChunk, defaultFillPrevChunk, doReinterpret, fillChunk, fillPrevChunk, getColumnSources, getComponentType, getPrevSource, getType, getValuesMapping, match, reinterpret, setGroupToRange

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.ChunkSource.WithPrev

fillPrevChunk

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

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

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

getChunk, getChunk, getChunkByFilling, makeFillContext, makeGetContext

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

getPrevChunk, getPrevChunk, getPrevChunkByFilling

Methods inherited from interface io.deephaven.engine.table.impl.sources.DeferredGroupingColumnSource

setGroupToRange

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

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

makeGetContext

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

exportElementReinterpreted

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

createTupleFromReinterpretedValues, getColumnSources

Constructor Details

AbstractDeferredGroupingColumnSource

protected AbstractDeferredGroupingColumnSource(Class<T> type)

AbstractDeferredGroupingColumnSource

protected AbstractDeferredGroupingColumnSource(Class<T> type,
 Class<?> componentType)

Method Details

getGroupingProvider

public GroupingProvider<T> getGroupingProvider()

Specified by:

getGroupingProvider in interface DeferredGroupingColumnSource<T>

Returns:

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

setGroupingProvider

public final void setGroupingProvider(@Nullable
 @Nullable GroupingProvider<T> groupingProvider)

Set a grouping provider for use in lazily-constructing groupings.

Specified by:

setGroupingProvider in interface DeferredGroupingColumnSource<T>

Parameters:

groupingProvider - The GroupingProvider to use

getGroupToRange

public final Map<T,RowSet> getGroupToRange()

Description copied from interface: ColumnSource

Compute grouping information for all keys present in this column source.

Specified by:

getGroupToRange in interface ColumnSource<T>

Overrides:

getGroupToRange in class AbstractColumnSource<T>

Returns:

A map from distinct data values to a RowSet that contains those values

getGroupToRange

public final Map<T,RowSet> getGroupToRange(RowSet rowSet)

Description copied from interface: ColumnSource

Compute grouping information for (at least) all keys present in rowSet.

Specified by:

getGroupToRange in interface ColumnSource<T>

Overrides:

getGroupToRange in class AbstractColumnSource<T>

Parameters:

rowSet - The RowSet to consider

Returns:

A map from distinct data values to a RowSet that contains those values