org.apache.flink.runtime.io.disk

Class InputViewIterator<E>

java.lang.Object

org.apache.flink.runtime.io.disk.InputViewIterator<E>

All Implemented Interfaces:

MutableObjectIterator<E>

public class InputViewIterator<E>
extends Object
implements MutableObjectIterator<E>

Constructor Summary

Constructors

Constructor and Description
InputViewIterator(DataInputView inputView, TypeSerializer<E> serializer)

Method Summary

Modifier and Type	Method and Description
E	next() Gets the next element from the collection.
E	next(E reuse) Gets the next element from the collection.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InputViewIterator

public InputViewIterator(DataInputView inputView,
                         TypeSerializer<E> serializer)

Method Detail

next

public E next(E reuse)
       throws IOException

Description copied from interface: MutableObjectIterator

Gets the next element from the collection. The contents of that next element is put into the given reuse object, if the type is mutable.

Specified by:

next in interface MutableObjectIterator<E>

Parameters:

reuse - The target object into which to place next element if E is mutable.

Returns:

The filled object or null if the iterator is exhausted.

Throws:

IOException - Thrown, if a problem occurred in the underlying I/O layer or in the serialization / deserialization logic

next

public E next()
       throws IOException

Description copied from interface: MutableObjectIterator

Gets the next element from the collection. The iterator implementation must obtain a new instance.

Specified by:

next in interface MutableObjectIterator<E>

Returns:

The object or null if the iterator is exhausted.

Throws:

IOException - Thrown, if a problem occurred in the underlying I/O layer or in the serialization / deserialization logic