org.iq80.leveldb.impl

Class Level

java.lang.Object

org.iq80.leveldb.impl.Level

public class Level
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Comparator<FileMetaData>	NEWEST_FIRST

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	addFile(FileMetaData fileMetaData)
static InternalIterator	createLevelConcatIterator(TableCache tableCache, List<FileMetaData> files, InternalKeyComparator internalKeyComparator, ReadOptions options)
LookupResult	get(ReadOptions options, LookupKey key, ReadStats readStats, ReadStats lasReadFile)
List<FileMetaData>	getFiles()
List<FileMetaData>	getFilesForKey(Slice userKey, InternalKey internalKey)
int	getLevelNumber()
InternalIterator	iterator(ReadOptions options)
boolean	someFileOverlapsRange(boolean disjointSortedFiles, Slice smallestUserKey, Slice largestUserKey)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

NEWEST_FIRST

public static final Comparator<FileMetaData> NEWEST_FIRST

Constructor Detail

Level

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

Method Detail

getLevelNumber

public int getLevelNumber()

getFiles

public List<FileMetaData> getFiles()

iterator

public InternalIterator iterator(ReadOptions options)
                          throws IOException

Throws:

IOException

createLevelConcatIterator

public static InternalIterator createLevelConcatIterator(TableCache tableCache,
                                                         List<FileMetaData> files,
                                                         InternalKeyComparator internalKeyComparator,
                                                         ReadOptions options)

get

public LookupResult get(ReadOptions options,
                        LookupKey key,
                        ReadStats readStats,
                        ReadStats lasReadFile)

getFilesForKey

public List<FileMetaData> getFilesForKey(Slice userKey,
                                         InternalKey internalKey)

someFileOverlapsRange

public boolean someFileOverlapsRange(boolean disjointSortedFiles,
                                     Slice smallestUserKey,
                                     Slice largestUserKey)

addFile

public void addFile(FileMetaData fileMetaData)

toString

public String toString()

Overrides:

toString in class Object