public class SliceQueryFilter extends java.lang.Object implements IDiskAtomFilter
| Modifier and Type | Class and Description |
|---|---|
static class |
SliceQueryFilter.Serializer |
| Modifier and Type | Field and Description |
|---|---|
int |
compositesToGroup |
int |
count |
static int |
IGNORE_TOMBSTONED_PARTITIONS
A special value for compositesToGroup that indicates that partitioned tombstones should not be included in results
or count towards the limit.
|
boolean |
reversed |
ColumnSlice[] |
slices |
| Constructor and Description |
|---|
SliceQueryFilter(ColumnSlice[] slices,
boolean reversed,
int count)
Constructor that accepts multiple slices.
|
SliceQueryFilter(ColumnSlice[] slices,
boolean reversed,
int count,
int compositesToGroup) |
SliceQueryFilter(ColumnSlice slice,
boolean reversed,
int count) |
SliceQueryFilter(ColumnSlice slice,
boolean reversed,
int count,
int compositesToGroup) |
SliceQueryFilter(Composite start,
Composite finish,
boolean reversed,
int count) |
SliceQueryFilter(Composite start,
Composite finish,
boolean reversed,
int count,
int compositesToGroup) |
| Modifier and Type | Method and Description |
|---|---|
SliceQueryFilter |
cloneShallow() |
void |
collectReducedColumns(ColumnFamily container,
java.util.Iterator<Cell> reducedColumns,
DecoratedKey key,
int gcBefore,
long now)
collects columns from reducedColumns into returnCF.
|
ColumnCounter |
columnCounter(CellNameType comparator,
long now) |
boolean |
countCQL3Rows(CellNameType comparator) |
Composite |
finish() |
java.util.Comparator<Cell> |
getColumnComparator(CellNameType comparator) |
java.util.Iterator<Cell> |
getColumnIterator(ColumnFamily cf)
returns an iterator that returns columns from the given columnFamily
matching the Filter criteria in sorted order.
|
OnDiskAtomIterator |
getColumnIterator(DecoratedKey key,
ColumnFamily cf) |
int |
getLiveCount(ColumnFamily cf,
long now) |
java.util.Iterator<RangeTombstone> |
getRangeTombstoneIterator(ColumnFamily source) |
OnDiskAtomIterator |
getSSTableColumnIterator(SSTableReader sstable,
DecoratedKey key)
returns an iterator that returns columns from the given SSTable
matching the Filter criteria in sorted order.
|
OnDiskAtomIterator |
getSSTableColumnIterator(SSTableReader sstable,
FileDataInput file,
DecoratedKey key,
RowIndexEntry indexEntry)
Get an iterator that returns columns from the given SSTable using the opened file
matching the Filter criteria in sorted order.
|
boolean |
hasStaticSlice(CFMetaData cfm) |
boolean |
isFullyCoveredBy(ColumnFamily cf,
long now)
Whether the provided cf, that is assumed to contain the head of the
partition, contains enough data to cover this filter.
|
boolean |
isHeadFilter() |
boolean |
isReversed() |
int |
lastCounted() |
int |
lastLive() |
int |
lastTombstones() |
boolean |
maySelectPrefix(CType type,
Composite prefix) |
protected boolean |
respectTombstoneThresholds() |
void |
setStart(Composite start) |
boolean |
shouldInclude(SSTableReader sstable) |
Pair<SliceQueryFilter,SliceQueryFilter> |
splitOutStaticSlice(CFMetaData cfm)
Splits this filter into two SliceQueryFilters: one that slices only the static columns, and one that slices the
remainder of the normal data.
|
Composite |
start() |
java.lang.String |
toString() |
ColumnFamily |
trim(ColumnFamily cf,
int trimTo,
long now) |
void |
updateColumnsLimit(int newLimit) |
SliceQueryFilter |
withUpdatedCount(int newCount) |
SliceQueryFilter |
withUpdatedSlices(ColumnSlice[] newSlices) |
SliceQueryFilter |
withUpdatedStart(Composite newStart,
CFMetaData cfm) |
public static final int IGNORE_TOMBSTONED_PARTITIONS
public final ColumnSlice[] slices
public final boolean reversed
public volatile int count
public final int compositesToGroup
public SliceQueryFilter(Composite start, Composite finish, boolean reversed, int count)
public SliceQueryFilter(Composite start, Composite finish, boolean reversed, int count, int compositesToGroup)
public SliceQueryFilter(ColumnSlice slice, boolean reversed, int count)
public SliceQueryFilter(ColumnSlice slice, boolean reversed, int count, int compositesToGroup)
public SliceQueryFilter(ColumnSlice[] slices, boolean reversed, int count)
public SliceQueryFilter(ColumnSlice[] slices, boolean reversed, int count, int compositesToGroup)
public SliceQueryFilter cloneShallow()
cloneShallow in interface IDiskAtomFilterpublic SliceQueryFilter withUpdatedCount(int newCount)
public SliceQueryFilter withUpdatedSlices(ColumnSlice[] newSlices)
public boolean hasStaticSlice(CFMetaData cfm)
public Pair<SliceQueryFilter,SliceQueryFilter> splitOutStaticSlice(CFMetaData cfm)
public SliceQueryFilter withUpdatedStart(Composite newStart, CFMetaData cfm)
public java.util.Iterator<Cell> getColumnIterator(ColumnFamily cf)
IDiskAtomFiltergetColumnIterator in interface IDiskAtomFilterpublic OnDiskAtomIterator getColumnIterator(DecoratedKey key, ColumnFamily cf)
getColumnIterator in interface IDiskAtomFilterpublic OnDiskAtomIterator getSSTableColumnIterator(SSTableReader sstable, DecoratedKey key)
IDiskAtomFiltergetSSTableColumnIterator in interface IDiskAtomFilterpublic OnDiskAtomIterator getSSTableColumnIterator(SSTableReader sstable, FileDataInput file, DecoratedKey key, RowIndexEntry indexEntry)
IDiskAtomFiltergetSSTableColumnIterator in interface IDiskAtomFilterfile - Already opened file data input, saves us opening another onekey - The key of the row we are about to iterate overpublic java.util.Comparator<Cell> getColumnComparator(CellNameType comparator)
getColumnComparator in interface IDiskAtomFilterpublic void collectReducedColumns(ColumnFamily container, java.util.Iterator<Cell> reducedColumns, DecoratedKey key, int gcBefore, long now)
IDiskAtomFiltercollectReducedColumns in interface IDiskAtomFilterprotected boolean respectTombstoneThresholds()
public int getLiveCount(ColumnFamily cf, long now)
getLiveCount in interface IDiskAtomFilterpublic ColumnCounter columnCounter(CellNameType comparator, long now)
columnCounter in interface IDiskAtomFilterpublic ColumnFamily trim(ColumnFamily cf, int trimTo, long now)
public Composite start()
public Composite finish()
public void setStart(Composite start)
public int lastCounted()
public int lastTombstones()
public int lastLive()
public java.lang.String toString()
toString in class java.lang.Objectpublic boolean isReversed()
isReversed in interface IDiskAtomFilterpublic void updateColumnsLimit(int newLimit)
updateColumnsLimit in interface IDiskAtomFilterpublic boolean maySelectPrefix(CType type, Composite prefix)
maySelectPrefix in interface IDiskAtomFilterpublic boolean shouldInclude(SSTableReader sstable)
shouldInclude in interface IDiskAtomFilterpublic boolean isHeadFilter()
isHeadFilter in interface IDiskAtomFilterpublic boolean countCQL3Rows(CellNameType comparator)
countCQL3Rows in interface IDiskAtomFilterpublic boolean isFullyCoveredBy(ColumnFamily cf, long now)
IDiskAtomFilterisFullyCoveredBy in interface IDiskAtomFilterpublic java.util.Iterator<RangeTombstone> getRangeTombstoneIterator(ColumnFamily source)
getRangeTombstoneIterator in interface IDiskAtomFilterCopyright © 2018 The Apache Software Foundation