org.apache.flink.runtime.state.restore

Interface ThrowingIterator<E>

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

Modifier and Type	Method and 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,
       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

StateMigrationException