Package org.springframework.batch.core.step.item

Interface KeyGenerator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface KeyGenerator

Interface for defining keys to uniquely identify items. this can be useful if the item itself cannot be modified to properly override equals.

Author:

Dave Syer, Taeik Lim

Method Summary

Modifier and Type	Method	Description
Object	getKey(Object item)

Method Details

getKey

Object getKey(Object item)