org.springframework.batch.core.listener
Class JobParameterExecutionContextCopyListener

java.lang.Object
  org.springframework.batch.core.listener.StepExecutionListenerSupport
      org.springframework.batch.core.listener.JobParameterExecutionContextCopyListener

All Implemented Interfaces:

StepExecutionListener, StepListener

public class JobParameterExecutionContextCopyListener
extends StepExecutionListenerSupport

This class can be used to automatically copy items from the JobParameters to the Step ExecutionContext. A list of keys should be provided that correspond to the items in the Step ExecutionContext that should be copied.

Since:

2.0

Author:

Dave Syer

Constructor Summary

JobParameterExecutionContextCopyListener()

Method Summary

void	beforeStep(StepExecution stepExecution) Copy attributes from the JobParameters to the Step ExecutionContext, if not already present.
void	setKeys(String[] keys)

Methods inherited from class org.springframework.batch.core.listener.StepExecutionListenerSupport

afterStep

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JobParameterExecutionContextCopyListener

public JobParameterExecutionContextCopyListener()

Method Detail

setKeys

public void setKeys(String[] keys)

Parameters:

keys - A list of keys corresponding to items in the JobParameters that should be copied.

beforeStep

public void beforeStep(StepExecution stepExecution)

Copy attributes from the JobParameters to the Step ExecutionContext, if not already present. The the key is already present we assume that a restart is in operation and the previous value is needed. If the provided keys are empty defaults to copy all keys in the JobParameters.

Specified by:

beforeStep in interface StepExecutionListener

Overrides:

beforeStep in class StepExecutionListenerSupport