Package org.iq80.leveldb.impl

Class Compaction

java.lang.Object

org.iq80.leveldb.impl.Compaction

public class Compaction
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private final VersionEdit	edit
private int	grandparentIndex
private final List<FileMetaData>	grandparents
private final List<FileMetaData>[]	inputs
private final Version	inputVersion
private final int	level
private final List<FileMetaData>	levelInputs
private final int[]	levelPointers
private final List<FileMetaData>	levelUpInputs
private final long	maxOutputFileSize
private long	overlappedBytes
private boolean	seenKey

Constructor Summary

Constructors

Constructor	Description
Compaction(Version inputVersion, int level, List<FileMetaData> levelInputs, List<FileMetaData> levelUpInputs, List<FileMetaData> grandparents)

Method Summary

Modifier and Type	Method	Description
void	addInputDeletions(VersionEdit edit)
VersionEdit	getEdit()
List<FileMetaData>[]	getInputs()
int	getLevel()
List<FileMetaData>	getLevelInputs()
List<FileMetaData>	getLevelUpInputs()
long	getMaxOutputFileSize()
FileMetaData	input(int which, int i)
boolean	isBaseLevelForKey(Slice userKey)
boolean	isTrivialMove()
boolean	shouldStopBefore(InternalKey internalKey)
static long	totalFileSize(List<FileMetaData> files)

Methods inherited from class java.lang.Object

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

Field Details

inputVersion

private final Version inputVersion

level

private final int level

levelInputs

private final List<FileMetaData> levelInputs

levelUpInputs

private final List<FileMetaData> levelUpInputs

grandparents

private final List<FileMetaData> grandparents

inputs

private final List<FileMetaData>[] inputs

maxOutputFileSize

private final long maxOutputFileSize

edit

private final VersionEdit edit

grandparentIndex

private int grandparentIndex

seenKey

private boolean seenKey

overlappedBytes

private long overlappedBytes

levelPointers

private final int[] levelPointers

Constructor Details

Compaction

public Compaction(Version inputVersion,
 int level,
 List<FileMetaData> levelInputs,
 List<FileMetaData> levelUpInputs,
 List<FileMetaData> grandparents)

Method Details

getLevel

public int getLevel()

getLevelInputs

public List<FileMetaData> getLevelInputs()

getLevelUpInputs

public List<FileMetaData> getLevelUpInputs()

getEdit

public VersionEdit getEdit()

input

public FileMetaData input(int which,
 int i)

getMaxOutputFileSize

public long getMaxOutputFileSize()

isTrivialMove

public boolean isTrivialMove()

totalFileSize

public static long totalFileSize(List<FileMetaData> files)

addInputDeletions

public void addInputDeletions(VersionEdit edit)

isBaseLevelForKey

public boolean isBaseLevelForKey(Slice userKey)

shouldStopBefore

public boolean shouldStopBefore(InternalKey internalKey)

getInputs

public List<FileMetaData>[] getInputs()