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java.lang.Objectorg.springframework.batch.core.listener.ItemListenerSupport<I,O>
public class ItemListenerSupport<I,O>
Basic no-op implementation of the ItemReadListener,
ItemProcessListener, and ItemWriteListener interfaces. All
are implemented, since it is very common that all may need to be implemented
at once.
| Constructor Summary | |
|---|---|
ItemListenerSupport()
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| Method Summary | |
|---|---|
void |
afterProcess(I item,
O result)
Called after ItemProcessor.process(Object) returns. |
void |
afterRead(I item)
Called after ItemReader.read() |
void |
afterWrite(java.util.List<? extends O> item)
Called after ItemWriter.write(java.util.List) This will be
called before any transaction is committed, and before
ChunkListener.afterChunk() |
void |
beforeProcess(I item)
Called before ItemProcessor.process(Object). |
void |
beforeRead()
Called before ItemReader.read() |
void |
beforeWrite(java.util.List<? extends O> item)
Called before ItemWriter.write(java.util.List) |
void |
onProcessError(I item,
java.lang.Exception e)
Called if an exception was thrown from ItemProcessor.process(Object). |
void |
onReadError(java.lang.Exception ex)
Called if an error occurs while trying to read. |
void |
onWriteError(java.lang.Exception ex,
java.util.List<? extends O> item)
Called if an error occurs while trying to write. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ItemListenerSupport()
| Method Detail |
|---|
public void afterRead(I item)
ItemReadListenerItemReader.read()
afterRead in interface ItemReadListener<I>item - returned from read()public void beforeRead()
ItemReadListenerItemReader.read()
beforeRead in interface ItemReadListener<I>public void onReadError(java.lang.Exception ex)
ItemReadListener
onReadError in interface ItemReadListener<I>ex - thrown from ItemWriter
public void afterProcess(I item,
O result)
ItemProcessListenerItemProcessor.process(Object) returns. If the
processor returns null, this method will still be called, with
a null result, allowing for notification of 'filtered' items.
afterProcess in interface ItemProcessListener<I,O>item - to be processedresult - of processingpublic void beforeProcess(I item)
ItemProcessListenerItemProcessor.process(Object).
beforeProcess in interface ItemProcessListener<I,O>item - to be processed.
public void onProcessError(I item,
java.lang.Exception e)
ItemProcessListenerItemProcessor.process(Object).
onProcessError in interface ItemProcessListener<I,O>item - attempted to be processede - - exception thrown during processing.public void afterWrite(java.util.List<? extends O> item)
ItemWriteListenerItemWriter.write(java.util.List) This will be
called before any transaction is committed, and before
ChunkListener.afterChunk()
afterWrite in interface ItemWriteListener<O>item - written itemspublic void beforeWrite(java.util.List<? extends O> item)
ItemWriteListenerItemWriter.write(java.util.List)
beforeWrite in interface ItemWriteListener<O>item - to be written
public void onWriteError(java.lang.Exception ex,
java.util.List<? extends O> item)
ItemWriteListener
onWriteError in interface ItemWriteListener<O>ex - thrown from ItemWriteritem - attempted to be written.
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