Package org.iq80.leveldb.impl

Class Level

java.lang.Object

org.iq80.leveldb.impl.Level

All Implemented Interfaces:

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

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

Field Summary

Fields

Modifier and Type	Field	Description
private final List<FileMetaData>	files
private final InternalKeyComparator	internalKeyComparator
private final int	levelNumber
private final TableCache	tableCache

Constructor Summary

Constructors

Constructor	Description
Level(int levelNumber, List<FileMetaData> files, TableCache tableCache, InternalKeyComparator internalKeyComparator)

Method Summary

Modifier and Type	Method	Description
void	addFile(FileMetaData fileMetaData)
private static <T> int	ceilingEntryIndex(List<T> list, T key, Comparator<T> comparator)
static LevelIterator	createLevelConcatIterator(TableCache tableCache, List<FileMetaData> files, InternalKeyComparator internalKeyComparator)
private int	findFile(InternalKey targetKey)
LookupResult	get(LookupKey key, ReadStats readStats)
List<FileMetaData>	getFiles()
int	getLevelNumber()
LevelIterator	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

levelNumber

private final int levelNumber

tableCache

private final TableCache tableCache

internalKeyComparator

private final InternalKeyComparator internalKeyComparator

files

private final List<FileMetaData> files

Constructor Details

Level

public Level(int levelNumber,
 List<FileMetaData> files,
 TableCache tableCache,
 InternalKeyComparator internalKeyComparator)

Method Details

getLevelNumber

public int getLevelNumber()

getFiles

public List<FileMetaData> getFiles()

iterator

public LevelIterator iterator()

Specified by:

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

Specified by:

iterator in interface SeekingIterable<InternalKey,Slice>

createLevelConcatIterator

public static LevelIterator createLevelConcatIterator(TableCache tableCache,
 List<FileMetaData> files,
 InternalKeyComparator internalKeyComparator)

get

public LookupResult get(LookupKey key,
 ReadStats readStats)

ceilingEntryIndex

private static <T> int ceilingEntryIndex(List<T> list,
 T key,
 Comparator<T> comparator)

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