org.springframework.integration.endpoint
Class ExpressionMessageProducerSupport

java.lang.Object
  org.springframework.integration.context.IntegrationObjectSupport
      org.springframework.integration.endpoint.AbstractEndpoint
          org.springframework.integration.endpoint.MessageProducerSupport
              org.springframework.integration.endpoint.ExpressionMessageProducerSupport

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.context.ApplicationContextAware, org.springframework.context.Lifecycle, org.springframework.context.Phased, org.springframework.context.SmartLifecycle, MessageProducer, IntegrationEvaluationContextAware, TrackableComponent, NamedComponent

Direct Known Subclasses:

ApplicationEventListeningMessageProducer, CacheListeningMessageProducer, ContinuousQueryMessageProducer

public abstract class ExpressionMessageProducerSupport
extends MessageProducerSupport
implements IntegrationEvaluationContextAware

A MessageProducerSupport sub-class that provides payloadExpression evaluation with result as a payload for Message to send.

Since:

2.1

Author:

David Turanski, Artem Bilan, Gary Russell

Field Summary

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

logger

Constructor Summary

ExpressionMessageProducerSupport()

Method Summary

protected java.lang.Object	evaluatePayloadExpression(java.lang.Object payload)
protected void	onInit() Subclasses may implement this for initialization logic.
void	setIntegrationEvaluationContext(org.springframework.expression.EvaluationContext evaluationContext)
void	setPayloadExpression(java.lang.String payloadExpression)

Methods inherited from class org.springframework.integration.endpoint.MessageProducerSupport

doStart, doStop, sendMessage, setErrorChannel, setOutputChannel, setSendTimeout, setShouldTrack

Methods inherited from class org.springframework.integration.endpoint.AbstractEndpoint

getPhase, isAutoStartup, isRunning, setAutoStartup, setPhase, setTaskScheduler, start, stop, stop

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

afterPropertiesSet, getApplicationContextId, getBeanFactory, getComponentName, getComponentType, getConversionService, getTaskScheduler, setApplicationContext, setBeanFactory, setBeanName, setComponentName, setConversionService, 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, getComponentType

Constructor Detail

ExpressionMessageProducerSupport

public ExpressionMessageProducerSupport()

Method Detail

setPayloadExpression

public void setPayloadExpression(java.lang.String payloadExpression)

setIntegrationEvaluationContext

public void setIntegrationEvaluationContext(org.springframework.expression.EvaluationContext evaluationContext)

Specified by:

setIntegrationEvaluationContext in interface IntegrationEvaluationContextAware

onInit

protected void onInit()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class MessageProducerSupport

evaluatePayloadExpression

protected java.lang.Object evaluatePayloadExpression(java.lang.Object payload)