org.iq80.leveldb.iterator

Class MergingIterator

java.lang.Object

org.iq80.leveldb.iterator.ASeekingIterator<InternalKey,Slice>

org.iq80.leveldb.iterator.MergingIterator

All Implemented Interfaces:

Closeable, AutoCloseable, InternalIterator, SeekingIterator<InternalKey,Slice>

public final class MergingIterator
extends ASeekingIterator<InternalKey,Slice>
implements InternalIterator

Constructor Summary

Constructors

Constructor and Description
MergingIterator(List<InternalIterator> iterators, Comparator<InternalKey> comparator)

Method Summary

Modifier and Type	Method and Description
void	internalClose()
protected InternalKey	internalKey()
protected boolean	internalNext(boolean switchDirection)
protected boolean	internalPrev(boolean switchDirection)
protected boolean	internalSeek(InternalKey targetKey)
protected boolean	internalSeekToFirst()
protected boolean	internalSeekToLast()
protected Slice	internalValue()

Methods inherited from class org.iq80.leveldb.iterator.ASeekingIterator

close, key, next, prev, seek, seekToFirst, seekToLast, valid, value

Methods inherited from class java.lang.Object

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

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

key, next, prev, seek, seekToFirst, seekToLast, valid, value

Methods inherited from interface java.io.Closeable

close

Constructor Detail

MergingIterator

public MergingIterator(List<InternalIterator> iterators,
                       Comparator<InternalKey> comparator)

Method Detail

internalSeekToFirst

protected boolean internalSeekToFirst()

Specified by:

internalSeekToFirst in class ASeekingIterator<InternalKey,Slice>

internalSeekToLast

protected boolean internalSeekToLast()

Specified by:

internalSeekToLast in class ASeekingIterator<InternalKey,Slice>

internalSeek

protected boolean internalSeek(InternalKey targetKey)

Specified by:

internalSeek in class ASeekingIterator<InternalKey,Slice>

internalNext

protected boolean internalNext(boolean switchDirection)

Specified by:

internalNext in class ASeekingIterator<InternalKey,Slice>

internalPrev

protected boolean internalPrev(boolean switchDirection)

Specified by:

internalPrev in class ASeekingIterator<InternalKey,Slice>

internalKey

protected InternalKey internalKey()

Specified by:

internalKey in class ASeekingIterator<InternalKey,Slice>

internalValue

protected Slice internalValue()

Specified by:

internalValue in class ASeekingIterator<InternalKey,Slice>

internalClose

public void internalClose()
                   throws IOException

Specified by:

internalClose in class ASeekingIterator<InternalKey,Slice>

Throws:

IOException