org.apache.flink.runtime.util

Interface ResettableMutableObjectIterator<E>

All Superinterfaces:

org.apache.flink.util.MutableObjectIterator<E>

All Known Implementing Classes:

BlockResettableMutableObjectIterator, SpillingResettableMutableObjectIterator

public interface ResettableMutableObjectIterator<E>
extends org.apache.flink.util.MutableObjectIterator<E>

The resettable iterator is a specialization of the iterator, allowing to reset the iterator and re-retrieve elements. Whether the iterator is completely reset or only partially depends on the actual implementation.

Method Summary

Modifier and Type	Method and Description
void	reset() Resets the iterator.

Methods inherited from interface org.apache.flink.util.MutableObjectIterator

next, next

Method Detail

reset

void reset()
    throws IOException

Resets the iterator.

Throws:

IOException - May be thrown when the serialization into buffers or the spilling to secondary storage fails.