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 |
boolean |
reversed |
static SliceQueryFilter.Serializer |
serializer |
ColumnSlice[] |
slices |
Constructor and Description |
---|
SliceQueryFilter(java.nio.ByteBuffer start,
java.nio.ByteBuffer finish,
boolean reversed,
int count) |
SliceQueryFilter(java.nio.ByteBuffer start,
java.nio.ByteBuffer finish,
boolean reversed,
int count,
int compositesToGroup) |
SliceQueryFilter(ColumnSlice[] slices,
boolean reversed,
int count)
Constructor that accepts multiple slices.
|
SliceQueryFilter(ColumnSlice[] slices,
boolean reversed,
int count,
int compositesToGroup) |
Modifier and Type | Method and Description |
---|---|
SliceQueryFilter |
cloneShallow() |
void |
collectReducedColumns(ColumnFamily container,
java.util.Iterator<Column> reducedColumns,
int gcBefore,
long now)
collects columns from reducedColumns into returnCF.
|
ColumnCounter |
columnCounter(AbstractType<?> comparator,
long now) |
java.nio.ByteBuffer |
finish() |
java.util.Comparator<Column> |
getColumnComparator(AbstractType<?> comparator) |
OnDiskAtomIterator |
getColumnFamilyIterator(DecoratedKey key,
ColumnFamily cf)
returns an iterator that returns columns from the given columnFamily
matching the Filter criteria in sorted order.
|
int |
getLiveCount(ColumnFamily cf,
long now) |
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 |
isReversed() |
int |
lastCounted() |
int |
lastIgnored() |
int |
lastLive() |
boolean |
maySelectPrefix(java.util.Comparator<java.nio.ByteBuffer> cmp,
java.nio.ByteBuffer prefix) |
protected boolean |
respectTombstoneThresholds() |
void |
setStart(java.nio.ByteBuffer start) |
boolean |
shouldInclude(SSTableReader sstable) |
java.nio.ByteBuffer |
start() |
java.lang.String |
toString() |
void |
trim(ColumnFamily cf,
int trimTo,
long now) |
void |
updateColumnsLimit(int newLimit) |
SliceQueryFilter |
withUpdatedCount(int newCount) |
SliceQueryFilter |
withUpdatedSlice(java.nio.ByteBuffer start,
java.nio.ByteBuffer finish) |
SliceQueryFilter |
withUpdatedSlices(ColumnSlice[] newSlices) |
SliceQueryFilter |
withUpdatedStart(java.nio.ByteBuffer newStart,
AbstractType<?> comparator) |
public static final SliceQueryFilter.Serializer serializer
public final ColumnSlice[] slices
public final boolean reversed
public volatile int count
public final int compositesToGroup
public SliceQueryFilter(java.nio.ByteBuffer start, java.nio.ByteBuffer finish, boolean reversed, int count)
public SliceQueryFilter(java.nio.ByteBuffer start, java.nio.ByteBuffer finish, 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 IDiskAtomFilter
public SliceQueryFilter withUpdatedCount(int newCount)
public SliceQueryFilter withUpdatedSlices(ColumnSlice[] newSlices)
public SliceQueryFilter withUpdatedStart(java.nio.ByteBuffer newStart, AbstractType<?> comparator)
public SliceQueryFilter withUpdatedSlice(java.nio.ByteBuffer start, java.nio.ByteBuffer finish)
public OnDiskAtomIterator getColumnFamilyIterator(DecoratedKey key, ColumnFamily cf)
IDiskAtomFilter
getColumnFamilyIterator
in interface IDiskAtomFilter
public OnDiskAtomIterator getSSTableColumnIterator(SSTableReader sstable, DecoratedKey key)
IDiskAtomFilter
getSSTableColumnIterator
in interface IDiskAtomFilter
public OnDiskAtomIterator getSSTableColumnIterator(SSTableReader sstable, FileDataInput file, DecoratedKey key, RowIndexEntry indexEntry)
IDiskAtomFilter
getSSTableColumnIterator
in interface IDiskAtomFilter
file
- Already opened file data input, saves us opening another onekey
- The key of the row we are about to iterate overpublic java.util.Comparator<Column> getColumnComparator(AbstractType<?> comparator)
getColumnComparator
in interface IDiskAtomFilter
public void collectReducedColumns(ColumnFamily container, java.util.Iterator<Column> reducedColumns, int gcBefore, long now)
IDiskAtomFilter
collectReducedColumns
in interface IDiskAtomFilter
protected boolean respectTombstoneThresholds()
public int getLiveCount(ColumnFamily cf, long now)
getLiveCount
in interface IDiskAtomFilter
public ColumnCounter columnCounter(AbstractType<?> comparator, long now)
columnCounter
in interface IDiskAtomFilter
public void trim(ColumnFamily cf, int trimTo, long now)
public java.nio.ByteBuffer start()
public java.nio.ByteBuffer finish()
public void setStart(java.nio.ByteBuffer start)
public int lastCounted()
public int lastIgnored()
public int lastLive()
public java.lang.String toString()
toString
in class java.lang.Object
public boolean isReversed()
isReversed
in interface IDiskAtomFilter
public void updateColumnsLimit(int newLimit)
updateColumnsLimit
in interface IDiskAtomFilter
public boolean maySelectPrefix(java.util.Comparator<java.nio.ByteBuffer> cmp, java.nio.ByteBuffer prefix)
maySelectPrefix
in interface IDiskAtomFilter
public boolean shouldInclude(SSTableReader sstable)
shouldInclude
in interface IDiskAtomFilter
Copyright © 2014 The Apache Software Foundation