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Simple org.springframework.batch.item.ItemProcessor that does nothing - simply passes its argument through to the caller. Useful as a default when the reader and writer in a business process deal with items of the same type, and no transformations are required.

Dave Syer
public class PassThroughItemProcessor<T> implements ItemProcessor<T, T> {

Just returns the item back to the caller.

	public T process(T itemthrows Exception {
		return item;
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