NullAwareMapIterator (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.table.runtime.dataview.NullAwareMapIterator<K,V>

All Implemented Interfaces:

Iterator<Map.Entry<K,V>>
```
public class NullAwareMapIterator<K,V>
extends Object
implements Iterator<Map.Entry<K,V>>
```
An Iterator implementation that iterate on a map iterator and a null entry.

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Class Description
  
  static interface NullAwareMapIterator.NullMapEntry<K,V>
  A Map Entry that the entry key is always null.
- Constructor Summary
  
  Constructors
  Constructor Description
  
  NullAwareMapIterator(Iterator<Map.Entry<K,V>> mapIterator, NullAwareMapIterator.NullMapEntry<K,V> nullMapEntry)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean hasNext()
  
  Map.Entry<K,V> next()
  
  void remove()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface java.util.Iterator
    forEachRemaining

Constructor Detail

NullAwareMapIterator

public NullAwareMapIterator(Iterator<Map.Entry<K,V>> mapIterator,
                            NullAwareMapIterator.NullMapEntry<K,V> nullMapEntry)

Method Detail
- hasNext
```
public boolean hasNext()
```
  Specified by:
  
  hasNext in interface Iterator<K>
- next
```
public Map.Entry<K,V> next()
```
  Specified by:
  
  next in interface Iterator<K>
- remove
```
public void remove()
```
  Specified by:
  
  remove in interface Iterator<K>