Package org.iq80.leveldb.util

Class LevelIterator

java.lang.Object

org.iq80.leveldb.util.AbstractSeekingIterator<InternalKey,Slice>

org.iq80.leveldb.util.LevelIterator

All Implemented Interfaces:

com.google.common.collect.PeekingIterator<Map.Entry<InternalKey,Slice>>, Iterator<Map.Entry<InternalKey,Slice>>, SeekingIterator<InternalKey,Slice>, InternalIterator

public final class LevelIterator
extends AbstractSeekingIterator<InternalKey,Slice>
implements InternalIterator

Field Summary

Fields

Modifier and Type	Field	Description
private final InternalKeyComparator	comparator
private InternalTableIterator	current
private final List<FileMetaData>	files
private int	index
private final TableCache	tableCache

Constructor Summary

Constructors

Constructor	Description
LevelIterator(TableCache tableCache, List<FileMetaData> files, InternalKeyComparator comparator)

Method Summary

Modifier and Type	Method	Description
protected Map.Entry<InternalKey,Slice>	getNextElement()
private InternalTableIterator	openNextFile()
protected void	seekInternal(InternalKey targetKey)
protected void	seekToFirstInternal()
String	toString()

Methods inherited from class org.iq80.leveldb.util.AbstractSeekingIterator

hasNext, next, peek, remove, seek, seekToFirst

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext

Methods inherited from interface com.google.common.collect.PeekingIterator

next, peek, remove

Methods inherited from interface org.iq80.leveldb.impl.SeekingIterator

seek, seekToFirst

Field Details

tableCache

private final TableCache tableCache

files

private final List<FileMetaData> files

comparator

private final InternalKeyComparator comparator

current

private InternalTableIterator current

index

private int index

Constructor Details

LevelIterator

public LevelIterator(TableCache tableCache,
 List<FileMetaData> files,
 InternalKeyComparator comparator)

Method Details

seekToFirstInternal

protected void seekToFirstInternal()

Specified by:

seekToFirstInternal in class AbstractSeekingIterator<InternalKey,Slice>

seekInternal

protected void seekInternal(InternalKey targetKey)

Specified by:

seekInternal in class AbstractSeekingIterator<InternalKey,Slice>

getNextElement

protected Map.Entry<InternalKey,Slice> getNextElement()

Specified by:

getNextElement in class AbstractSeekingIterator<InternalKey,Slice>

openNextFile

private InternalTableIterator openNextFile()

toString

public String toString()

Overrides:

toString in class Object