org.springframework.batch.item.adapter
Class ItemWriterAdapter

java.lang.Object
  org.springframework.batch.item.adapter.AbstractMethodInvokingDelegator
      org.springframework.batch.item.adapter.ItemWriterAdapter

All Implemented Interfaces:

ItemWriter, InitializingBean

public class ItemWriterAdapter
extends AbstractMethodInvokingDelegator
implements ItemWriter

Delegates item processing to a custom method - passes the item as an argument for the delegate method.

Author:

Robert Kasanicky

See Also:

PropertyExtractingDelegatingItemWriter

Constructor Summary

ItemWriterAdapter()

Method Summary

void	clear() Clear any buffers that are being held.
void	flush() Flush any buffers that are being held.
void	write(Object item) Process the supplied data element.

Methods inherited from class org.springframework.batch.item.adapter.AbstractMethodInvokingDelegator

afterPropertiesSet, invokeDelegateMethod, invokeDelegateMethodWithArgument, invokeDelegateMethodWithArguments, setArguments, setTargetMethod, setTargetObject

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ItemWriterAdapter

public ItemWriterAdapter()

Method Detail

write

public void write(Object item)
           throws Exception

Description copied from interface: ItemWriter

Process the supplied data element. Will be called multiple times during a larger batch operation. Will not be called with null data in normal operation.

Specified by:

write in interface ItemWriter

Throws:

Exception - if there are errors. If the writer is used inside a retry or a batch the framework will catch the exception and convert or rethrow it as appropriate.

clear

public void clear()
           throws ClearFailedException

Description copied from interface: ItemWriter

Clear any buffers that are being held. This will usually be performed prior to rolling back any transactions.

Specified by:

clear in interface ItemWriter

Throws:

ClearFailedException - in case of an error. If this exception is thrown the writer may be in an inconsistent state and manual intervention might be required to reconcile the data with persistent output.

flush

public void flush()
           throws FlushFailedException

Description copied from interface: ItemWriter

Flush any buffers that are being held. This will usually be performed prior to committing any transactions.

Specified by:

flush in interface ItemWriter

Throws:

FlushFailedException - in case of an error. If this exception is thrown the writer may be in an inconsistent state and manual intervention might be required to reconcile the data with persistent output.