Package org.iq80.leveldb.impl

Class Level0

java.lang.Object

org.iq80.leveldb.impl.Level0

All Implemented Interfaces:

Iterable<Map.Entry<InternalKey,Slice>>, SeekingIterable<InternalKey,Slice>

public class Level0
extends Object
implements SeekingIterable<InternalKey,Slice>

Field Summary

Fields

Modifier and Type	Field	Description
private final List<FileMetaData>	files
private final InternalKeyComparator	internalKeyComparator
static final Comparator<FileMetaData>	NEWEST_FIRST
private final TableCache	tableCache

Constructor Summary

Constructors

Constructor	Description
Level0(List<FileMetaData> files, TableCache tableCache, InternalKeyComparator internalKeyComparator)

Method Summary

Modifier and Type	Method	Description
void	addFile(FileMetaData fileMetaData)
private int	findFile(InternalKey targetKey)
LookupResult	get(LookupKey key, ReadStats readStats)
List<FileMetaData>	getFiles()
int	getLevelNumber()
Level0Iterator	iterator()
boolean	someFileOverlapsRange(Slice smallestUserKey, Slice largestUserKey)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Details

tableCache

private final TableCache tableCache

internalKeyComparator

private final InternalKeyComparator internalKeyComparator

files

private final List<FileMetaData> files

NEWEST_FIRST

public static final Comparator<FileMetaData> NEWEST_FIRST

Constructor Details

Level0

public Level0(List<FileMetaData> files,
 TableCache tableCache,
 InternalKeyComparator internalKeyComparator)

Method Details

getLevelNumber

public int getLevelNumber()

getFiles

public List<FileMetaData> getFiles()

iterator

public Level0Iterator iterator()

Specified by:

iterator in interface Iterable<Map.Entry<InternalKey,Slice>>

Specified by:

iterator in interface SeekingIterable<InternalKey,Slice>

get

public LookupResult get(LookupKey key,
 ReadStats readStats)

someFileOverlapsRange

public boolean someFileOverlapsRange(Slice smallestUserKey,
 Slice largestUserKey)

findFile

private int findFile(InternalKey targetKey)

addFile

public void addFile(FileMetaData fileMetaData)

toString

public String toString()

Overrides:

toString in class Object