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

Class ColumnRegion.Null<ATTR extends Any>

java.lang.Object

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

io.deephaven.engine.table.impl.sources.regioned.ColumnRegion.Null<ATTR>

All Implemented Interfaces:

Page<ATTR>, Page.WithDefaultsForRepeatingValues<ATTR>, PagingChunkSource<ATTR>, ChunkSource<ATTR>, FillContextMaker, GetContextMaker, DefaultChunkSource<ATTR>, PushdownFilterMatcher, ColumnRegion<ATTR>, RegionedPushdownFilterMatcher, Releasable

Direct Known Subclasses:

ColumnRegionByte.Null, ColumnRegionChar.Null, ColumnRegionDouble.Null, ColumnRegionFloat.Null, ColumnRegionInt.Null, ColumnRegionLong.Null, ColumnRegionObject.Null, ColumnRegionReferencing.Null, ColumnRegionShort.Null

Enclosing interface:

ColumnRegion<ATTR extends Any>

public abstract static class ColumnRegion.Null<ATTR extends Any>
extends GenericColumnRegionBase<ATTR>
implements ColumnRegion<ATTR>, Page.WithDefaultsForRepeatingValues<ATTR>

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.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

Method Summary

Modifier and Type	Method	Description
long	estimatePushdownAction(RegionedPushdownAction action, WhereFilter filter, RowSet selection, boolean usePrev, PushdownFilterContext filterContext, RegionedPushdownAction.EstimateContext estimateContext)	Estimate the cost of the given pushdown action.
void	fillChunkAppend(@NotNull ChunkSource.FillContext context, @NotNull WritableChunk<? super ATTR> destination, int length)	Appends the values repeating value length times to destination.
PushdownResult	performPushdownAction(RegionedPushdownAction action, WhereFilter filter, RowSet selection, PushdownResult input, boolean usePrev, PushdownFilterContext filterContext, RegionedPushdownAction.ActionContext actionContext)	Perform the pushdown action for the given filter and filter context.
List<RegionedPushdownAction>	supportedActions()	Get the list of pushdown actions supported by this matcher.

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

getChunkType

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

estimatePushdownFilterCost, firstRowOffset, getColumnLocation, invalidate, pushdownFilter

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.Page.WithDefaultsForRepeatingValues

fillChunk, fillChunkAppend

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

makeFillContext, mask, maxRow

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

makePushdownFilterContext

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

makeActionContext, makeEstimateContext

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

releaseCachedResources

Method Details

fillChunkAppend

public void fillChunkAppend(@NotNull
 @NotNull ChunkSource.FillContext context,
 @NotNull
 @NotNull WritableChunk<? super ATTR> destination,
 int length)

Description copied from interface: Page.WithDefaultsForRepeatingValues

Appends the values repeating value length times to destination.

Specified by:

fillChunkAppend in interface Page.WithDefaultsForRepeatingValues<ATTR extends Any>

supportedActions

public List<RegionedPushdownAction> supportedActions()

Description copied from interface: RegionedPushdownFilterMatcher

Get the list of pushdown actions supported by this matcher. Defaults to an empty list.

Specified by:

supportedActions in interface RegionedPushdownFilterMatcher

estimatePushdownAction

public long estimatePushdownAction(RegionedPushdownAction action,
 WhereFilter filter,
 RowSet selection,
 boolean usePrev,
 PushdownFilterContext filterContext,
 RegionedPushdownAction.EstimateContext estimateContext)

Description copied from interface: RegionedPushdownFilterMatcher

Estimate the cost of the given pushdown action. Returns Long.MAX_VALUE if the action is not supported by this matcher.

Specified by:

estimatePushdownAction in interface RegionedPushdownFilterMatcher

performPushdownAction

@MustBeInvokedByOverriders
public PushdownResult performPushdownAction(RegionedPushdownAction action,
 WhereFilter filter,
 RowSet selection,
 PushdownResult input,
 boolean usePrev,
 PushdownFilterContext filterContext,
 RegionedPushdownAction.ActionContext actionContext)

Description copied from interface: RegionedPushdownFilterMatcher

Perform the pushdown action for the given filter and filter context.

Specified by:

performPushdownAction in interface RegionedPushdownFilterMatcher