public class EmptyIterator<E> extends Object implements ResettableIterator<E>
This class provides an implementation of an empty iterator.
This class provides for binary compatibility between Commons Collections
2.1.1 and 3.1 due to issues with IteratorUtils
.
Modifier and Type | Field and Description |
---|---|
static Iterator |
INSTANCE
Singleton instance of the iterator.
|
static ResettableIterator |
RESETTABLE_INSTANCE
Singleton instance of the iterator.
|
Modifier | Constructor and Description |
---|---|
protected |
EmptyIterator()
Constructor.
|
Modifier and Type | Method and Description |
---|---|
void |
add(E obj) |
static <E> Iterator<E> |
emptyIterator()
Get a typed empty iterator instance.
|
boolean |
hasNext() |
boolean |
hasPrevious() |
E |
next() |
int |
nextIndex() |
E |
previous() |
int |
previousIndex() |
void |
remove() |
void |
reset() |
static <E> ResettableIterator<E> |
resettableEmptyIterator()
Get a typed resettable empty iterator instance.
|
void |
set(E obj) |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
reset
forEachRemaining, hasNext, next, remove
public static final ResettableIterator RESETTABLE_INSTANCE
public static final Iterator INSTANCE
public static <E> ResettableIterator<E> resettableEmptyIterator()
E
- the element typepublic static <E> Iterator<E> emptyIterator()
E
- the element typepublic boolean hasNext()
public E next()
public boolean hasPrevious()
public E previous()
public int nextIndex()
public int previousIndex()
public void add(E obj)
public void set(E obj)
public void remove()
public void reset()
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