org.springframework.batch.core.step.tasklet
Class CallableTaskletAdapter

java.lang.Object
  org.springframework.batch.core.step.tasklet.CallableTaskletAdapter

All Implemented Interfaces:

Tasklet, org.springframework.beans.factory.InitializingBean

public class CallableTaskletAdapter
extends Object
implements Tasklet, org.springframework.beans.factory.InitializingBean

Adapts a Callable<RepeatStatus> to the Tasklet interface.

Author:

Dave Syer

Constructor Summary

CallableTaskletAdapter()

Method Summary

void	afterPropertiesSet() Assert that the callable is set.
RepeatStatus	execute(StepContribution contribution, ChunkContext chunkContext) Execute the provided Callable and return its RepeatStatus.
void	setCallable(Callable<RepeatStatus> callable) Public setter for the Callable.

Methods inherited from class java.lang.Object

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

Constructor Detail

CallableTaskletAdapter

public CallableTaskletAdapter()

Method Detail

setCallable

public void setCallable(Callable<RepeatStatus> callable)

Public setter for the Callable.

Parameters:

callable - the Callable to set

afterPropertiesSet

public void afterPropertiesSet()
                        throws Exception

Assert that the callable is set.

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

Throws:

Exception

See Also:

InitializingBean.afterPropertiesSet()

execute

public RepeatStatus execute(StepContribution contribution,
                            ChunkContext chunkContext)
                     throws Exception

Execute the provided Callable and return its RepeatStatus. Ignores the StepContribution and the attributes.

Specified by:

execute in interface Tasklet

Parameters:

contribution - mutable state to be passed back to update the current step execution

chunkContext - attributes shared between invocations but not between restarts

Returns:

an RepeatStatus indicating whether processing is continuable.

Throws:

Exception

See Also:

Tasklet.execute(StepContribution, ChunkContext)