org.springframework.batch.integration.launch

Class JobLaunchingGateway

java.lang.Object

org.springframework.integration.context.IntegrationObjectSupport

org.springframework.integration.handler.AbstractMessageHandler

org.springframework.integration.handler.AbstractReplyProducingMessageHandler

org.springframework.batch.integration.launch.JobLaunchingGateway

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanClassLoaderAware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.InitializingBean, org.springframework.context.ApplicationContextAware, org.springframework.core.Ordered, org.springframework.integration.context.Orderable, org.springframework.integration.core.MessageProducer, org.springframework.integration.history.TrackableComponent, org.springframework.integration.support.context.NamedComponent, org.springframework.messaging.MessageHandler

public class JobLaunchingGateway
extends org.springframework.integration.handler.AbstractReplyProducingMessageHandler

The JobLaunchingGateway is used to launch Batch Jobs. Internally it delegates to a JobLaunchingMessageHandler.

Since:

1.3

Author:

Gunnar Hillert

Nested Class Summary

Nested classes/interfaces inherited from class org.springframework.integration.handler.AbstractReplyProducingMessageHandler

org.springframework.integration.handler.AbstractReplyProducingMessageHandler.RequestHandler

Field Summary

Fields inherited from class org.springframework.integration.context.IntegrationObjectSupport

logger

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor and Description
JobLaunchingGateway(JobLauncher jobLauncher) Constructor taking a JobLauncher as parameter.

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	handleRequestMessage(org.springframework.messaging.Message<?> requestMessage) Launches a Batch Job using the provided request Message.

Methods inherited from class org.springframework.integration.handler.AbstractReplyProducingMessageHandler

doInit, doInvokeAdvisedRequestHandler, getMessagingTemplate, handleMessageInternal, hasAdviceChain, onInit, setAdviceChain, setBeanClassLoader, setChannelResolver, setOutputChannel, setOutputChannelName, setRequiresReply, setSendTimeout, shouldCopyRequestHeaders

Methods inherited from class org.springframework.integration.handler.AbstractMessageHandler

getComponentType, getOrder, handleMessage, setOrder, setShouldTrack

Methods inherited from class org.springframework.integration.context.IntegrationObjectSupport

afterPropertiesSet, getApplicationContextId, getBeanFactory, getComponentName, getConversionService, getIntegrationProperties, getIntegrationProperty, getMessageBuilderFactory, getTaskScheduler, setApplicationContext, setBeanFactory, setBeanName, setComponentName, setConversionService, setMessageBuilderFactory, setTaskScheduler, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.integration.support.context.NamedComponent

getComponentName

Constructor Detail

JobLaunchingGateway

public JobLaunchingGateway(JobLauncher jobLauncher)

Constructor taking a JobLauncher as parameter.

Parameters:

jobLauncher - Must not be null.

Method Detail

handleRequestMessage

protected java.lang.Object handleRequestMessage(org.springframework.messaging.Message<?> requestMessage)

Launches a Batch Job using the provided request Message. The payload of the Message must be an instance of JobLaunchRequest.

Specified by:

handleRequestMessage in class org.springframework.integration.handler.AbstractReplyProducingMessageHandler

Parameters:

requestMessage - must not be null.

Returns:

Generally a JobExecution will always be returned. An exception (MessageHandlingException) will only be thrown if there is a failure to start the job. The cause of the exception will be a JobExecutionException.

Throws:

org.springframework.messaging.MessageHandlingException - when a job cannot be launched