org.apache.cassandra.db

Class DataRange.Paging

java.lang.Object

org.apache.cassandra.db.DataRange

org.apache.cassandra.db.DataRange.Paging

Enclosing class:

DataRange

public static class DataRange.Paging
extends DataRange

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.db.DataRange

DataRange.Paging

Field Summary

Fields inherited from class org.apache.cassandra.db.DataRange

columnFilter, selectFullRow

Constructor Summary

Constructors

Constructor and Description
DataRange.Paging(AbstractBounds<RowPosition> range, SliceQueryFilter filter, Composite columnStart, Composite columnFinish, CellNameType comparator)

Method Summary

Methods

Modifier and Type	Method and Description
IDiskAtomFilter	columnFilter(java.nio.ByteBuffer rowKey) Returns a column filter that should be used for a particular row key.
boolean	selectsFullRowFor(java.nio.ByteBuffer rowKey)
void	updateColumnsLimit(int count) Sets a new limit on the number of (grouped) cells to fetch.

Methods inherited from class org.apache.cassandra.db.DataRange

allData, contains, forKeyRange, getLiveCount, ignoredTombstonedPartitions, isFullRowSlice, isWrapAround, keyRange, startKey, stopKey

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataRange.Paging

public DataRange.Paging(AbstractBounds<RowPosition> range,
                SliceQueryFilter filter,
                Composite columnStart,
                Composite columnFinish,
                CellNameType comparator)

Method Detail

selectsFullRowFor

public boolean selectsFullRowFor(java.nio.ByteBuffer rowKey)

Overrides:

selectsFullRowFor in class DataRange

columnFilter

public IDiskAtomFilter columnFilter(java.nio.ByteBuffer rowKey)

Description copied from class: DataRange

Returns a column filter that should be used for a particular row key. Note that in the case of paging, slice starts and ends may change depending on the row key.

Overrides:

columnFilter in class DataRange

updateColumnsLimit

public void updateColumnsLimit(int count)

Description copied from class: DataRange

Sets a new limit on the number of (grouped) cells to fetch. This is currently only used when the query limit applies to CQL3 rows.

Overrides:

updateColumnsLimit in class DataRange