ReaderIterator (Flink : Runtime 2.1.0 API)

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

All Methods Instance Methods Concrete Methods
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 Detail
  - 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 Detail
  - 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