public class NamesQueryFilter extends java.lang.Object implements IDiskAtomFilter
Modifier and Type | Class and Description |
---|---|
static class |
NamesQueryFilter.Serializer |
Modifier and Type | Field and Description |
---|---|
java.util.SortedSet<java.nio.ByteBuffer> |
columns |
static NamesQueryFilter.Serializer |
serializer |
Constructor and Description |
---|
NamesQueryFilter(java.nio.ByteBuffer column,
java.util.Comparator<java.nio.ByteBuffer> comparator) |
NamesQueryFilter(java.util.SortedSet<java.nio.ByteBuffer> columns) |
NamesQueryFilter(java.util.SortedSet<java.nio.ByteBuffer> columns,
boolean countCQL3Rows) |
Modifier and Type | Method and Description |
---|---|
NamesQueryFilter |
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) |
boolean |
countCQL3Rows() |
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() |
boolean |
maySelectPrefix(java.util.Comparator<java.nio.ByteBuffer> cmp,
java.nio.ByteBuffer prefix) |
boolean |
shouldInclude(SSTableReader sstable) |
java.lang.String |
toString() |
void |
updateColumnsLimit(int newLimit) |
NamesQueryFilter |
withUpdatedColumns(java.util.SortedSet<java.nio.ByteBuffer> newColumns) |
public static final NamesQueryFilter.Serializer serializer
public final java.util.SortedSet<java.nio.ByteBuffer> columns
public NamesQueryFilter(java.util.SortedSet<java.nio.ByteBuffer> columns)
public NamesQueryFilter(java.util.SortedSet<java.nio.ByteBuffer> columns, boolean countCQL3Rows)
public NamesQueryFilter(java.nio.ByteBuffer column, java.util.Comparator<java.nio.ByteBuffer> comparator)
public NamesQueryFilter cloneShallow()
cloneShallow
in interface IDiskAtomFilter
public NamesQueryFilter withUpdatedColumns(java.util.SortedSet<java.nio.ByteBuffer> newColumns)
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 void collectReducedColumns(ColumnFamily container, java.util.Iterator<Column> reducedColumns, int gcBefore, long now)
IDiskAtomFilter
collectReducedColumns
in interface IDiskAtomFilter
public java.util.Comparator<Column> getColumnComparator(AbstractType<?> comparator)
getColumnComparator
in interface IDiskAtomFilter
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 int getLiveCount(ColumnFamily cf, long now)
getLiveCount
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
public boolean countCQL3Rows()
public ColumnCounter columnCounter(AbstractType<?> comparator, long now)
columnCounter
in interface IDiskAtomFilter
Copyright © 2014 The Apache Software Foundation