Package org.apache.cassandra.io.sstable

Class AbstractRowIndexEntry

java.lang.Object

org.apache.cassandra.io.sstable.AbstractRowIndexEntry

All Implemented Interfaces:

IMeasurableMemory

Direct Known Subclasses:

RowIndexEntry

public abstract class AbstractRowIndexEntry
extends Object
implements IMeasurableMemory

The base RowIndexEntry is not stored on disk, only specifies a position in the data file

Field Summary

Fields

Modifier and Type	Field	Description
final long	position

Constructor Summary

Constructors

Constructor	Description
AbstractRowIndexEntry(long position)

Method Summary

Modifier and Type	Method	Description
int	blockCount()
DeletionTime	deletionTime()
long	getPosition()	Row position in a data file
abstract SSTableFormat<?,?>	getSSTableFormat()
boolean	isIndexed()
abstract void	serializeForCache(DataOutputPlus out)	Serialize this entry for key cache

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.cache.IMeasurableMemory

unsharedHeapSize

Field Details

position

public final long position

Constructor Details

AbstractRowIndexEntry

public AbstractRowIndexEntry(long position)

Method Details

getPosition

public long getPosition()

Row position in a data file

isIndexed

public boolean isIndexed()

Returns:

true if this index entry contains the row-level tombstone and column summary. Otherwise, caller should fetch these from the row header.

deletionTime

public DeletionTime deletionTime()

blockCount

public int blockCount()

getSSTableFormat

public abstract SSTableFormat<?,?> getSSTableFormat()

serializeForCache

public abstract void serializeForCache(DataOutputPlus out)
                                throws IOException

Serialize this entry for key cache

Parameters:

out - the output stream for serialized entry

Throws:

IOException