org.springframework.batch.item
Interface NewItemIdentifier

All Known Implementing Classes:

JmsItemReader

public interface NewItemIdentifier

Strategy interface to distinguish a new item from one that has been processed before and one that has not, e.g. by examining a message flag.

Author:

Dave Syer

Method Summary

boolean

isNew(Object item) Inspect the item and determine if it has never been processed before.

Method Detail

isNew

boolean isNew(Object item)

Inspect the item and determine if it has never been processed before. The safest choice when the answer is indeterminate is 'false'.

Parameters:

item - the current item.

Returns:

true if the item is known to have never been processed before.