Package com.illumon.iris.db.v2.sources

Class AbstractDeferredGroupingColumnSource<T>

java.lang.Object

com.illumon.iris.db.v2.sources.AbstractColumnSource<T>

com.illumon.iris.db.v2.sources.AbstractDeferredGroupingColumnSource<T>

All Implemented Interfaces:

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

Direct Known Subclasses:

ArrayBackedColumnSource, ReadOnlyRedirectedColumnSource, RegionedColumnSourceObject, ShiftedColumnSource, SparseArrayColumnSource

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

Adds deferred grouping support to AbstractColumnSource.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.illumon.iris.db.v2.sources.AbstractColumnSource

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

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.DefaultChunkSource

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

Field Summary

Fields inherited from class com.illumon.iris.db.v2.sources.AbstractColumnSource

componentType, groupToRange, type

Fields inherited from interface com.illumon.iris.db.v2.sources.chunk.ChunkSource

DEFAULT_FILL_INSTANCE, ZERO_LENGTH_CHUNK_SOURCE_ARRAY

Fields inherited from interface com.illumon.iris.db.v2.sources.chunk.ChunkSource.WithPrev

ZERO_LENGTH_CHUNK_SOURCE_WITH_PREV_ARRAY

Fields inherited from interface com.illumon.iris.db.v2.sources.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()
Map<T,ReadOnlyIndex>	getGroupToRange()	Compute grouping information for all keys present in this column source.
Map<T,ReadOnlyIndex>	getGroupToRange(ReadOnlyIndex index)	Compute grouping information for (at least) all keys present in index.
void	setGroupingProvider(GroupingProvider<T> groupingProvider)	Set a grouping provider for use in lazily-constructing groupings.

Methods inherited from class com.illumon.iris.db.v2.sources.AbstractColumnSource

allowsReinterpret, computeFlattenedGroupings, defaultFillChunk, doReinterpret, fillChunk, fillPrevChunk, forEachGroup, forEachResponsiveGroup, getComponentType, getNativeType, getType, getValuesMapping, groupingToFlatSources, groupingToFlatSources, groupingToFlatSources, isSerializable, 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 com.illumon.iris.db.v2.sources.chunk.ChunkSource

fillChunk, getChunkType

Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.ChunkSource.WithPrev

fillPrevChunk

Methods inherited from interface com.illumon.iris.db.v2.sources.ColumnSource

allowsReinterpret, cast, createPreviousTuple, createTuple, createTupleFromValues, exportElement, exportElement, exportToExternalKey, getColumnSources, getComponentType, getNativeType, getPrevSource, getType, getValuesMapping, isImmutable, match, reinterpret, releaseCachedResources, startTrackingPrevValues

Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.DefaultChunkSource

getChunk, getChunk, getChunkByFilling, makeFillContext, makeGetContext

Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.DefaultChunkSource.WithPrev

getPrevChunk, getPrevChunk, getPrevChunkByFilling

Methods inherited from interface com.illumon.iris.db.v2.sources.DeferredGroupingColumnSource

setGroupToRange

Methods inherited from interface com.illumon.iris.db.v2.sources.ElementSource

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

Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.FillContextMaker

makeFillContext

Methods inherited from interface com.illumon.iris.db.v2.sources.chunk.GetContextMaker

makeGetContext

Methods inherited from interface com.illumon.iris.db.v2.tuples.TupleExporter

exportElementReinterpreted

Methods inherited from interface com.illumon.iris.db.v2.tuples.TupleSource

createTupleFromReinterpretedValues

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(com.illumon.iris.db.v2.locations.GroupingProvider)

setGroupingProvider

public final void setGroupingProvider(@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,ReadOnlyIndex> 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 an index that contains those values

getGroupToRange

public final Map<T,ReadOnlyIndex> getGroupToRange(ReadOnlyIndex index)

Description copied from interface: ColumnSource

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

Specified by:

getGroupToRange in interface ColumnSource<T>

Overrides:

getGroupToRange in class AbstractColumnSource<T>

Parameters:

index - The index to consider

Returns:

A map from distinct data values to an index that contains those values