org.springframework.batch.item
Interface ItemKeyGenerator

All Known Implementing Classes:

JmsItemReader

public interface ItemKeyGenerator

Extension of the ItemReader interface that allows items to be identified and tagged by a unique key.

Author:

Dave Syer

Method Summary

Object

getKey(Object item) Get a unique identifier for the item that can be used to cache it between calls if necessary, and then identify it later.

Method Detail

getKey

Object getKey(Object item)

Get a unique identifier for the item that can be used to cache it between calls if necessary, and then identify it later.

Parameters:

item - the current item.

Returns:

a unique identifier.