AbstractChunkListener

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java.lang.Object
- javax.batch.api.chunk.listener.AbstractChunkListener

All Implemented Interfaces:

ChunkListener
```
public abstract class AbstractChunkListener
extends java.lang.Object
implements ChunkListener
```
The AbstractChunkListener provides default implementations of less commonly implemented methods.

Constructor Summary

Constructors
Constructor and Description

AbstractChunkListener()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`afterChunk()` Override this method if the ChunkListener will do something after the chunk ends.
`void`	`beforeChunk()` Override this method if the ChunkListener will do something before the chunk begins.
`void`	`onError(java.lang.Exception ex)` Override this method if the ChunkListener will do something before the chunk transaction is rolled back.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AbstractChunkListener
```
public AbstractChunkListener()
```
- Method Detail
  - beforeChunk
```
public void beforeChunk()
                 throws java.lang.Exception
```
    Override this method if the ChunkListener will do something before the chunk begins. The default implementation does nothing.
    
    Specified by:
    
    beforeChunk in interface ChunkListener
    
    Throws:
    
    java.lang.Exception - (or subclass) if an error occurs.
  - onError
```
public void onError(java.lang.Exception ex)
             throws java.lang.Exception
```
    Override this method if the ChunkListener will do something before the chunk transaction is rolled back. Note afterChunk is not invoked in this case.
    
    Specified by:
    
    onError in interface ChunkListener
    
    Parameters:
    
    ex - specifies the exception that caused the roll back.
    
    Throws:
    
    java.lang.Exception - (or subclass) throw if an error occurs.
  - afterChunk
```
public void afterChunk()
                throws java.lang.Exception
```
    Override this method if the ChunkListener will do something after the chunk ends. The default implementation does nothing.
    
    Specified by:
    
    afterChunk in interface ChunkListener
    
    Throws:
    
    java.lang.Exception - (or subclass) if an error occurs.

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