Spring Integration

org.springframework.integration.router
Class ExpressionEvaluatingRouter

java.lang.Object
  extended by org.springframework.integration.context.IntegrationObjectSupport
      extended by org.springframework.integration.handler.AbstractMessageHandler
          extended by org.springframework.integration.router.AbstractMessageRouter
              extended by org.springframework.integration.router.AbstractMappingMessageRouter
                  extended by 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

Spring Integration