it.unimi.dsi.fastutil.objects

Class AbstractReference2LongSortedMap.KeySetIterator<K>

java.lang.Object

it.unimi.dsi.fastutil.objects.AbstractReference2LongSortedMap.KeySetIterator<K>

All Implemented Interfaces:

BidirectionalIterator<K>, ObjectBidirectionalIterator<K>, ObjectIterator<K>, Iterator<K>

Enclosing class:

AbstractReference2LongSortedMap<K>

protected static class AbstractReference2LongSortedMap.KeySetIterator<K>
extends Object
implements ObjectBidirectionalIterator<K>

A wrapper exhibiting a map iterator as an iterator on keys.

To provide an iterator on keys, just create an instance of this class using the corresponding iterator on entries.

Field Summary

Fields

Modifier and Type	Field and Description
protected ObjectBidirectionalIterator<Reference2LongMap.Entry<K>>	i

Constructor Summary

Constructors

Constructor and Description
KeySetIterator(ObjectBidirectionalIterator<Reference2LongMap.Entry<K>> i)

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
boolean	hasPrevious() Returns whether there is a previous element.
K	next()
K	previous() Returns the previous element from the collection.

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unimi.dsi.fastutil.objects.ObjectBidirectionalIterator

back, skip

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Field Detail

i

protected final ObjectBidirectionalIterator<Reference2LongMap.Entry<K>> i

Constructor Detail

KeySetIterator

public KeySetIterator(ObjectBidirectionalIterator<Reference2LongMap.Entry<K>> i)

Method Detail

next

public K next()

Specified by:

next in interface Iterator<K>

previous

public K previous()

Description copied from interface: BidirectionalIterator

Returns the previous element from the collection.

Specified by:

previous in interface BidirectionalIterator<K>

Returns:

the previous element from the collection.

See Also:

ListIterator.previous()

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<K>

hasPrevious

public boolean hasPrevious()

Description copied from interface: BidirectionalIterator

Returns whether there is a previous element.

Specified by:

hasPrevious in interface BidirectionalIterator<K>

Returns:

whether there is a previous element.

See Also:

ListIterator.hasPrevious()