接口 ItemReadListener<T>
- 所有超级接口:
StepListener
- 所有已知实现类:
CompositeItemReadListener
,DefaultItemFailureHandler
,ItemListenerSupport
,ItemReadListenerAdapter
,MulticasterBatchListener
,StagingItemListener
,StepListenerSupport
public interface ItemReadListener<T> extends StepListener
Listener interface around the reading of an item.- 作者:
- Lucas Ward, Mahmoud Ben Hassine
方法概要
所有方法 实例方法 抽象方法 修饰符和类型 方法 说明 void
afterRead(T item)
Called afterItemReader.read()
.void
beforeRead()
Called beforeItemReader.read()
void
onReadError(java.lang.Exception ex)
Called if an error occurs while trying to read.
方法详细资料
beforeRead
void beforeRead()
Called beforeItemReader.read()
afterRead
void afterRead(T item)
Called afterItemReader.read()
. This method is called only for actual items (ie it is not called when the reader returns null).- 参数:
item
- returned from read()
onReadError
void onReadError(java.lang.Exception ex)
Called if an error occurs while trying to read.- 参数:
ex
- thrown fromItemWriter