ElementByteSizeObservableIterator (core 2.44.0 API)

java.lang.Object
- java.util.Observable
- - org.apache.beam.sdk.util.common.ElementByteSizeObservableIterator<V>

Type Parameters:

V - value type

All Implemented Interfaces:

java.util.Iterator<V>
```
@Internal
public abstract class ElementByteSizeObservableIterator<V>
extends java.util.Observable
implements java.util.Iterator<V>
```
An abstract class used for iterators that notify observers about size in bytes of their elements, as they are being iterated over. The subclasses need to implement the standard Iterator interface and call method notifyValueReturned() for each element read and/or iterated over.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ElementByteSizeObservableIterator()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected void notifyValueReturned(long byteSize)
  - Methods inherited from class java.util.Observable
    addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface java.util.Iterator
    forEachRemaining, hasNext, next, remove

Constructor Detail
- ElementByteSizeObservableIterator
```
public ElementByteSizeObservableIterator()
```

Method Detail

notifyValueReturned

protected final void notifyValueReturned(long byteSize)