Package org.apache.flink.runtime.operators.util

Class ReaderIterator<T>

java.lang.Object

org.apache.flink.runtime.operators.util.ReaderIterator<T>

All Implemented Interfaces:

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

public class ReaderIterator<T>
extends Object
implements org.apache.flink.util.MutableObjectIterator<T>

A MutableObjectIterator that wraps a reader from an input channel and produces the reader's records.

The reader supports reading objects with possible reuse of mutable types, and without reuse of mutable types.

Constructor Summary

Constructors

Constructor	Description
ReaderIterator(MutableReader<DeserializationDelegate<T>> reader, org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)	Creates a new iterator, wrapping the given reader.

Method Summary

Modifier and Type	Method	Description
T	next()
T	next(T target)

Methods inherited from class java.lang.Object

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

Constructor Details

ReaderIterator

public ReaderIterator(MutableReader<DeserializationDelegate<T>> reader,
 org.apache.flink.api.common.typeutils.TypeSerializer<T> serializer)

Creates a new iterator, wrapping the given reader.

Parameters:

reader - The reader to wrap.

Method Details

next

public T next(T target)
       throws IOException

Specified by:

next in interface org.apache.flink.util.MutableObjectIterator<T>

Throws:

IOException

next

public T next()
       throws IOException

Specified by:

next in interface org.apache.flink.util.MutableObjectIterator<T>

Throws:

IOException