HandlingInputRowIterator (druid-processing 28.0.0 API)

java.lang.Object
- org.apache.druid.data.input.HandlingInputRowIterator

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<InputRow>, CloseableIterator<InputRow>
```
public class HandlingInputRowIterator
extends Object
implements CloseableIterator<InputRow>
```
Decorated CloseableIterator that can process rows with HandlingInputRowIterator.InputRowHandlers.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface HandlingInputRowIterator.InputRowHandler

Constructor Summary

Constructors
Constructor	Description
`HandlingInputRowIterator(CloseableIterator<InputRow> inputRowIterator, List<HandlingInputRowIterator.InputRowHandler> inputRowHandlers)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

void close()

boolean hasNext()

InputRow next()
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface org.apache.druid.java.util.common.parsers.CloseableIterator
  flatMap, map
- Methods inherited from interface java.util.Iterator
  forEachRemaining, remove

- Constructor Detail
  - HandlingInputRowIterator
```
public HandlingInputRowIterator(CloseableIterator<InputRow> inputRowIterator,
                                List<HandlingInputRowIterator.InputRowHandler> inputRowHandlers)
```
    Parameters:
    
    inputRowIterator - Source of InputRows
    
    inputRowHandlers - Before yielding the next InputRow, each HandlingInputRowIterator.InputRowHandler is sequentially applied to the InputRow until one of them returns true or all of the handlers are applied.
- Method Detail
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface Iterator<InputRow>
  - next
```
@Nullable
public InputRow next()
```
    Specified by:
    
    next in interface Iterator<InputRow>
    
    Returns:
    
    Next InputRow or null if row was successfully handled by an HandlingInputRowIterator.InputRowHandler.
  - close
```
public void close()
           throws IOException
```
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface Closeable
    
    Throws:
    
    IOException