ThrowingIterator (Flink : Runtime 2.0-preview1 API)

Type Parameters:

E - the type of elements returned by this iterator

All Superinterfaces:

AutoCloseable, Closeable
```
@Internal
public interface ThrowingIterator<E>
extends Closeable
```
Modified Iterator interface that lets the implementation throw an IOException.

See Also:

Iterator

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`hasNext()`	Returns `true` if the iteration has more elements.
`E`	`next()`	Returns the next element in the iteration.

Methods inherited from interface java.io.Closeable
close

- Method Detail
  - hasNext
```
boolean hasNext()
```
    Returns true if the iteration has more elements. (In other words, returns true if next() would return an element rather than throwing an exception.)
    
    Returns:
    
    true if the iteration has more elements
  - next
```
E next()
throws IOException,
       org.apache.flink.util.StateMigrationException
```
    Returns the next element in the iteration.
    
    Returns:
    
    the next element in the iteration
    
    Throws:
    
    NoSuchElementException - if the iteration has no more elements
    
    IOException
    
    org.apache.flink.util.StateMigrationException