net.yacy.kelondro.blob

Class MapHeap.KeyIterator

java.lang.Object

net.yacy.kelondro.blob.MapHeap.KeyIterator

All Implemented Interfaces:

java.lang.Cloneable, java.util.Iterator<byte[]>, CloneableIterator<byte[]>

Enclosing class:

MapHeap

public class MapHeap.KeyIterator
extends java.lang.Object
implements CloneableIterator<byte[]>, java.util.Iterator<byte[]>

Field Summary

Fields

Modifier and Type	Field and Description
private CloneableIterator<byte[]>	blobkeys
private byte[]	firstKey
private java.util.Iterator<byte[]>	iterator
private boolean	rotating
private byte[]	secondKey
private boolean	up

Constructor Summary

Constructors

Constructor and Description
MapHeap.KeyIterator(boolean up, boolean rotating, byte[] firstKey, byte[] secondKey)

Method Summary

Methods

Modifier and Type	Method and Description
CloneableIterator<byte[]>	clone(java.lang.Object modifier) clone the iterator using a modifier the modifier can be i.e.
void	close() a CloneableIterator should be closed after usage to free resources
boolean	hasNext()
byte[]	next()
void	remove()

Methods inherited from class java.lang.Object

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

Field Detail

up

private final boolean up

rotating

private final boolean rotating

firstKey

private final byte[] firstKey

secondKey

private final byte[] secondKey

iterator

private java.util.Iterator<byte[]> iterator

blobkeys

private final CloneableIterator<byte[]> blobkeys

Constructor Detail

MapHeap.KeyIterator

public MapHeap.KeyIterator(boolean up,
                   boolean rotating,
                   byte[] firstKey,
                   byte[] secondKey)
                    throws java.io.IOException

Throws:

java.io.IOException

Method Detail

next

public byte[] next()

Specified by:

next in interface java.util.Iterator<byte[]>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<byte[]>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<byte[]>

clone

public CloneableIterator<byte[]> clone(java.lang.Object modifier)

Description copied from interface: CloneableIterator

clone the iterator using a modifier the modifier can be i.e. a re-start position

Specified by:

clone in interface CloneableIterator<byte[]>

Returns:

close

public void close()

Description copied from interface: CloneableIterator

a CloneableIterator should be closed after usage to free resources

Specified by:

close in interface CloneableIterator<byte[]>