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.AbstractMappingMessageRouter
                  org.springframework.integration.router.ExpressionEvaluatingRouter

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.InitializingBean, org.springframework.core.Ordered, NamedComponent, Orderable, MessageHandler, TrackableComponent, MappingMessageRouterManagement

public class ExpressionEvaluatingRouter
extends AbstractMappingMessageRouter

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.context.IntegrationObjectSupport

logger

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

ExpressionEvaluatingRouter(org.springframework.expression.Expression expression)

Method Summary

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

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

determineTargetChannels, getChannelMappings, removeChannelMapping, setChannelMapping, setChannelMappings, setChannelResolver, setPrefix, setResolutionRequired, setSuffix

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

getComponentType, getMessagingTemplate, getRequiredConversionService, handleMessageInternal, setApplySequence, setDefaultOutputChannel, setIgnoreSendFailures, setTimeout

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

getOrder, handleMessage, setOrder, setShouldTrack

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

afterPropertiesSet, getBeanFactory, getComponentName, getConversionService, getTaskScheduler, setBeanFactory, setBeanName, setComponentName, setConversionService, 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.context.NamedComponent

getComponentName

Constructor Detail

ExpressionEvaluatingRouter

public ExpressionEvaluatingRouter(org.springframework.expression.Expression expression)

Method Detail

onInit

public final void onInit()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class AbstractMappingMessageRouter

getChannelKeys

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

Description copied from class: AbstractMappingMessageRouter

Subclasses must implement this method to return the channel keys. A "key" might be present in this router's "channelMappings", or it could be the channel's name or even the Message Channel instance itself.

Specified by:

getChannelKeys in class AbstractMappingMessageRouter