org.springframework.integration.router
Class ExpressionEvaluatingRouter

java.lang.Object
  org.springframework.integration.context.IntegrationObjectSupport
      org.springframework.integration.handler.AbstractMessageHandler
          org.springframework.integration.router.AbstractMessageRouter
              org.springframework.integration.router.AbstractChannelNameResolvingMessageRouter
                  org.springframework.integration.router.ExpressionEvaluatingRouter

All Implemented Interfaces:

org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.InitializingBean, org.springframework.core.Ordered, MessageHandler, ComponentMetadataProvider

public class ExpressionEvaluatingRouter
extends AbstractChannelNameResolvingMessageRouter

A Message Router implementation that evaluates the specified SpEL expression. The result of evaluation will typically be a String to be resolved to a channel name or a Collection (or Array) of strings.

Since:

2.0

Author:

Mark Fisher

Field Summary

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

logger

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

ExpressionEvaluatingRouter(java.lang.String expression)

Method Summary

protected java.util.List<java.lang.Object>	getChannelIndicatorList(Message<?> message) Subclasses must implement this method to return the channel indicators.
void	onInit() Subclasses may implement this for initialization logic.

Methods inherited from class org.springframework.integration.router.AbstractChannelNameResolvingMessageRouter

addChannelFromString, addToCollection, determineTargetChannels, resolveChannelForName, setChannelResolver, setIgnoreChannelNameResolutionFailures, setPrefix, setSuffix

Methods inherited from class org.springframework.integration.router.AbstractMessageRouter

handleMessageInternal, populateComponentMetadata, setApplySequence, setDefaultOutputChannel, setIgnoreSendFailures, setResolutionRequired, setTimeout

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

getOrder, handleMessage, resolveReplyChannel, setOrder

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

afterPropertiesSet, getBeanFactory, getBeanName, getChannelResolver, getComponentMetadata, getConversionService, getTaskScheduler, setBeanFactory, setBeanName, setConversionService, setTaskScheduler, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionEvaluatingRouter

public ExpressionEvaluatingRouter(java.lang.String expression)

Method Detail

onInit

public final void onInit()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class AbstractChannelNameResolvingMessageRouter

getChannelIndicatorList

protected java.util.List<java.lang.Object> getChannelIndicatorList(Message<?> message)

Description copied from class: AbstractChannelNameResolvingMessageRouter

Subclasses must implement this method to return the channel indicators.

Specified by:

getChannelIndicatorList in class AbstractChannelNameResolvingMessageRouter