Package org.iq80.leveldb.util

Class Level0Iterator

java.lang.Object

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

org.iq80.leveldb.util.Level0Iterator

All Implemented Interfaces:

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

public final class Level0Iterator
extends AbstractSeekingIterator<InternalKey,Slice>
implements InternalIterator

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	Level0Iterator.ComparableIterator

Field Summary

Fields

Modifier and Type	Field	Description
private final Comparator<InternalKey>	comparator
private final List<InternalTableIterator>	inputs
private final PriorityQueue<Level0Iterator.ComparableIterator>	priorityQueue

Constructor Summary

Constructors

Constructor	Description
Level0Iterator(List<InternalTableIterator> inputs, Comparator<InternalKey> comparator)
Level0Iterator(TableCache tableCache, List<FileMetaData> files, Comparator<InternalKey> comparator)

Method Summary

Modifier and Type	Method	Description
protected Map.Entry<InternalKey,Slice>	getNextElement()
private void	resetPriorityQueue(Comparator<InternalKey> comparator)
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

inputs

private final List<InternalTableIterator> inputs

priorityQueue

private final PriorityQueue<Level0Iterator.ComparableIterator> priorityQueue

comparator

private final Comparator<InternalKey> comparator

Constructor Details

Level0Iterator

public Level0Iterator(TableCache tableCache,
 List<FileMetaData> files,
 Comparator<InternalKey> comparator)

Level0Iterator

public Level0Iterator(List<InternalTableIterator> inputs,
 Comparator<InternalKey> 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>

resetPriorityQueue

private void resetPriorityQueue(Comparator<InternalKey> comparator)

getNextElement

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

Specified by:

getNextElement in class AbstractSeekingIterator<InternalKey,Slice>

toString

public String toString()

Overrides:

toString in class Object