Package io.deephaven.enterprise.sources.regioned.impl

Class ColumnRegionObjectCached<T,ATTR extends Values,OFFSET_LOOKUP_CACHE extends OffsetLookupCache<T,ChunkSource.FillContext>>

java.lang.Object

io.deephaven.enterprise.sources.regioned.impl.InvalidatableRegion<ATTR>

io.deephaven.enterprise.sources.regioned.impl.ColumnRegionObjectCached<T,ATTR,OFFSET_LOOKUP_CACHE>

All Implemented Interfaces:

Page<ATTR>, Page.WithDefaults<ATTR>, PagingChunkSource<ATTR>, ChunkSource<ATTR>, FillContextMaker, GetContextMaker, DefaultChunkSource<ATTR>, PushdownFilterMatcher, ColumnRegion<ATTR>, ColumnRegionObject<T,ATTR>, RegionedPushdownFilterMatcher, Releasable, ColumnRegionObjectWithLength<T,ATTR>, OffsetLookup<T,ChunkSource.FillContext>

public final class ColumnRegionObjectCached<T,ATTR extends Values,OFFSET_LOOKUP_CACHE extends OffsetLookupCache<T,ChunkSource.FillContext>>
extends InvalidatableRegion<ATTR>
implements ColumnRegionObjectWithLength<T,ATTR>, OffsetLookup<T,ChunkSource.FillContext>, Page.WithDefaults<ATTR>

Column region interface for regions that support fetching objects.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ColumnRegionObjectCached.CacheFactory<T,OFFSET_LOOKUP_CACHE extends OffsetLookupCache<T,ChunkSource.FillContext>>

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.sources.regioned.ColumnRegionObject

ColumnRegionObject.Constant<DATA_TYPE extends Object,ATTR extends Any>, ColumnRegionObject.DictionaryKeysWrapper, ColumnRegionObject.Null<DATA_TYPE extends Object,ATTR extends Any>, ColumnRegionObject.SelfDictionaryRegion<DATA_TYPE extends Object,ATTR extends Any>, ColumnRegionObject.StaticPageStore<DATA_TYPE extends Object,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

Constructor Summary

Constructors

Constructor	Description
ColumnRegionObjectCached(@NotNull ColumnRegionObjectCached.CacheFactory<T,OFFSET_LOOKUP_CACHE> cacheFactory, @Nullable FillContextMaker fillContextMaker, @NotNull ColumnRegionObject<T,ATTR> innerRegion)

Method Summary

Modifier and Type	Method	Description
long	estimatePushdownAction(RegionedPushdownAction action, WhereFilter filter, RowSet selection, boolean usePrev, PushdownFilterContext filterContext, RegionedPushdownAction.EstimateContext estimateContext)
void	fillChunkAppend(@NotNull ChunkSource.FillContext context, @NotNull WritableChunk<? super ATTR> destination, @NotNull RowSequence orderedKeys)
boolean	gatherDictionaryValuesRowSet(RowSet.SearchIterator keysToVisit, RowSequence.Iterator knownKeys, @NotNull RowSetBuilderSequential sequentialBuilder)
OFFSET_LOOKUP_CACHE	getCache()
Optional<ColumnLocation>	getColumnLocation()
ColumnRegionLong<DictionaryKeys>	getDictionaryKeysRegion()
ColumnRegionObject<T,ATTR>	getDictionaryValuesRegion()
T	getObject(long elementIndex)
T	getObject(@NotNull ChunkSource.FillContext context, long elementIndex)
Optional<Long>	lengthItems()	Get the number of objects that can be read from this region, if it is known.
T	lookup(int offset, ChunkSource.FillContext fillContext)
long	mask()
PushdownResult	performPushdownAction(RegionedPushdownAction action, WhereFilter filter, RowSet selection, PushdownResult input, boolean usePrev, PushdownFilterContext filterContext, RegionedPushdownAction.ActionContext actionContext)
void	releaseCachedResources()
List<RegionedPushdownAction>	supportedActions()
RegionVisitResult	supportsDictionaryFormat(RowSet.SearchIterator keysToVisit)

Methods inherited from class io.deephaven.enterprise.sources.regioned.impl.InvalidatableRegion

invalidate, 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.impl.sources.regioned.ColumnRegion

estimatePushdownFilterCost, firstRowOffset, invalidate, pushdownFilter

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

getChunkType

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.WithDefaults

fillChunk, fillChunkAppend

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

makeFillContext, 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

Constructor Details

ColumnRegionObjectCached

public ColumnRegionObjectCached(@NotNull
 @NotNull ColumnRegionObjectCached.CacheFactory<T,OFFSET_LOOKUP_CACHE> cacheFactory,
 @Nullable
 @Nullable FillContextMaker fillContextMaker,
 @NotNull
 @NotNull ColumnRegionObject<T,ATTR> innerRegion)

Method Details

mask

public long mask()

Specified by:

mask in interface PagingChunkSource<T>

getCache

public OFFSET_LOOKUP_CACHE getCache()

getObject

public T getObject(@NotNull
 @NotNull ChunkSource.FillContext context,
 long elementIndex)

Specified by:

getObject in interface ColumnRegionObject<T,ATTR extends Values>

getObject

public T getObject(long elementIndex)

Specified by:

getObject in interface ColumnRegionObject<T,ATTR extends Values>

fillChunkAppend

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

Specified by:

fillChunkAppend in interface Page.WithDefaults<T>

releaseCachedResources

@OverridingMethodsMustInvokeSuper
public void releaseCachedResources()

Specified by:

releaseCachedResources in interface Releasable

lookup

public T lookup(int offset,
 ChunkSource.FillContext fillContext)

Specified by:

lookup in interface OffsetLookup<T,ATTR extends Values>

getDictionaryValuesRegion

public ColumnRegionObject<T,ATTR> getDictionaryValuesRegion()

Specified by:

getDictionaryValuesRegion in interface ColumnRegionObject<T,ATTR extends Values>

getDictionaryKeysRegion

public ColumnRegionLong<DictionaryKeys> getDictionaryKeysRegion()

Specified by:

getDictionaryKeysRegion in interface ColumnRegionObject<T,ATTR extends Values>

supportsDictionaryFormat

public RegionVisitResult supportsDictionaryFormat(@NotNull
 RowSet.SearchIterator keysToVisit)

Specified by:

supportsDictionaryFormat in interface ColumnRegionObject<T,ATTR extends Values>

gatherDictionaryValuesRowSet

public boolean gatherDictionaryValuesRowSet(@NotNull
 RowSet.SearchIterator keysToVisit,
 @NotNull
 RowSequence.Iterator knownKeys,
 @NotNull
 @NotNull RowSetBuilderSequential sequentialBuilder)

Specified by:

gatherDictionaryValuesRowSet in interface ColumnRegionObject<T,ATTR extends Values>

getColumnLocation

public Optional<ColumnLocation> getColumnLocation()

Specified by:

getColumnLocation in interface ColumnRegion<T>

lengthItems

public Optional<Long> lengthItems()

Description copied from interface: ColumnRegionObjectWithLength

Get the number of objects that can be read from this region, if it is known. Otherwise, return an empty optional.

The returned length is safe to use as a read extent: every object it covers is guaranteed to be dereferenceable. Implementations backed by more than one file must not report objects whose bytes are not yet visible, even if some other file claims they exist -- see DH-23322.

Specified by:

lengthItems in interface ColumnRegionObjectWithLength<T,ATTR extends Values>

supportedActions

public List<RegionedPushdownAction> supportedActions()

Specified by:

supportedActions in interface RegionedPushdownFilterMatcher

estimatePushdownAction

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

Specified by:

estimatePushdownAction in interface RegionedPushdownFilterMatcher

performPushdownAction

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

Specified by:

performPushdownAction in interface RegionedPushdownFilterMatcher