org.apache.cassandra.db.columniterator

Class IdentityQueryFilter

java.lang.Object

org.apache.cassandra.db.filter.SliceQueryFilter

org.apache.cassandra.db.columniterator.IdentityQueryFilter

All Implemented Interfaces:

IDiskAtomFilter

public class IdentityQueryFilter
extends SliceQueryFilter

Nested Class Summary

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

SliceQueryFilter.Serializer

Field Summary

Fields inherited from class org.apache.cassandra.db.filter.SliceQueryFilter

count, reversed, serializer, slices

Constructor Summary

Constructors

Constructor and Description
IdentityQueryFilter() Will read entire CF into memory.

Method Summary

Methods

Modifier and Type	Method and Description
SuperColumn	filterSuperColumn(SuperColumn superColumn, int gcBefore) subcolumns of a supercolumn are unindexed, so to pick out parts of those we operate in-memory.

Methods inherited from class org.apache.cassandra.db.filter.SliceQueryFilter

collectReducedColumns, finish, getColumnComparator, getLiveCount, getMemtableColumnIterator, getSSTableColumnIterator, getSSTableColumnIterator, includes, isReversed, lastCounted, lastIgnored, lastLive, setStart, start, toString, trim, updateColumnsLimit, withUpdatedCount, withUpdatedSlices

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityQueryFilter

public IdentityQueryFilter()

Will read entire CF into memory. Use with caution.

Method Detail

filterSuperColumn

public SuperColumn filterSuperColumn(SuperColumn superColumn,
                            int gcBefore)

Description copied from interface: IDiskAtomFilter

subcolumns of a supercolumn are unindexed, so to pick out parts of those we operate in-memory.

Specified by:

filterSuperColumn in interface IDiskAtomFilter

Overrides:

filterSuperColumn in class SliceQueryFilter

Parameters:

superColumn - may be modified by filtering op.