EmptyIterator (Flink : Runtime 2.1.0 API)

java.lang.Object
- org.apache.flink.runtime.util.EmptyIterator<E>

All Implemented Interfaces:

Iterable<E>, Iterator<E>
```
public final class EmptyIterator<E>
extends Object
implements Iterator<E>, Iterable<E>
```
An empty iterator that never returns anything.

Constructor Summary

Constructors
Constructor Description

EmptyIterator()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static <E> EmptyIterator<E>`	`get()`	Gets a singleton instance of the empty iterator.
`boolean`	`hasNext()`	Always returns false, since this iterator is empty.
`Iterator<E>`	`iterator()`
`E`	`next()`	Always throws a `NoSuchElementException`.
`void`	`remove()`	Throws a `UnsupportedOperationException`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Methods inherited from interface java.util.Iterator
forEachRemaining

- Constructor Detail
  - EmptyIterator
```
public EmptyIterator()
```
- Method Detail
  - get
```
public static <E> EmptyIterator<E> get()
```
    Gets a singleton instance of the empty iterator.
    
    Type Parameters:
    
    E - The type of the objects (not) returned by the iterator.
    
    Returns:
    
    An instance of the iterator.
  - hasNext
```
public boolean hasNext()
```
    Always returns false, since this iterator is empty.
    
    Specified by:
    
    hasNext in interface Iterator<E>
    
    See Also:
    
    Iterator.hasNext()
  - next
```
public E next()
```
    Always throws a NoSuchElementException.
    
    Specified by:
    
    next in interface Iterator<E>
    
    See Also:
    
    Iterator.next()
  - remove
```
public void remove()
```
    Throws a UnsupportedOperationException.
    
    Specified by:
    
    remove in interface Iterator<E>
    
    See Also:
    
    Iterator.remove()
  - iterator
```
public Iterator<E> iterator()
```
    Specified by:
    
    iterator in interface Iterable<E>