Package org.apache.cassandra.io.sstable.format.big

Class SSTableReversedIterator

java.lang.Object

org.apache.cassandra.io.sstable.AbstractSSTableIterator<RowIndexEntry>

org.apache.cassandra.io.sstable.format.big.SSTableReversedIterator

All Implemented Interfaces:

AutoCloseable, Iterator<Unfiltered>, BaseRowIterator<Unfiltered>, UnfilteredRowIterator, CloseableIterator<Unfiltered>

public class SSTableReversedIterator
extends AbstractSSTableIterator<RowIndexEntry>

A Cell Iterator in reversed clustering order over SSTable

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.io.sstable.AbstractSSTableIterator

AbstractSSTableIterator.AbstractReader, AbstractSSTableIterator.ForwardReader, AbstractSSTableIterator.Reader

Field Summary

Fields inherited from class org.apache.cassandra.io.sstable.AbstractSSTableIterator

columns, helper, ifile, key, metadata, partitionLevelDeletion, reader, slices, sstable, staticRow

Constructor Summary

Constructors

Constructor	Description
SSTableReversedIterator(SSTableReader sstable, FileDataInput file, DecoratedKey key, RowIndexEntry indexEntry, Slices slices, ColumnFilter columns, FileHandle ifile)

Method Summary

Modifier and Type	Method	Description
protected AbstractSSTableIterator.Reader	createReaderInternal(RowIndexEntry indexEntry, FileDataInput file, boolean shouldCloseFile, Version version)
protected boolean	hasMoreSlices()	Checks if there are more slice to process.
boolean	isReverseOrder()	Whether or not the rows returned by this iterator are in reversed clustering order.
protected int	nextSliceIndex()	Returns the index of the next slice to process.

Methods inherited from class org.apache.cassandra.io.sstable.AbstractSSTableIterator

close, columns, hasNext, metadata, next, partitionKey, partitionLevelDeletion, remove, staticRow, stats

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from interface org.apache.cassandra.db.rows.UnfilteredRowIterator

isEmpty

Constructor Details

SSTableReversedIterator

public SSTableReversedIterator(SSTableReader sstable,
 FileDataInput file,
 DecoratedKey key,
 RowIndexEntry indexEntry,
 Slices slices,
 ColumnFilter columns,
 FileHandle ifile)

Method Details

createReaderInternal

protected AbstractSSTableIterator.Reader createReaderInternal(RowIndexEntry indexEntry,
 FileDataInput file,
 boolean shouldCloseFile,
 Version version)

Specified by:

createReaderInternal in class AbstractSSTableIterator<RowIndexEntry>

isReverseOrder

public boolean isReverseOrder()

Description copied from interface: BaseRowIterator

Whether or not the rows returned by this iterator are in reversed clustering order.

nextSliceIndex

protected int nextSliceIndex()

Description copied from class: AbstractSSTableIterator

Returns the index of the next slice to process.

Specified by:

nextSliceIndex in class AbstractSSTableIterator<RowIndexEntry>

Returns:

the index of the next slice to process

hasMoreSlices

protected boolean hasMoreSlices()

Description copied from class: AbstractSSTableIterator

Checks if there are more slice to process.

Specified by:

hasMoreSlices in class AbstractSSTableIterator<RowIndexEntry>

Returns:

true if there are more slice to process, false otherwise.