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:

Aware, BeanFactoryAware, BeanNameAware, DisposableBean, InitializingBean, SmartInitializingSingleton, ApplicationContextAware, Lifecycle, Phased, SmartLifecycle, ComponentSourceAware, ExpressionCapable, MessageProducer, IntegrationPattern, NamedComponent, IntegrationInboundManagement, IntegrationManagement, ManageableLifecycle, ManageableSmartLifecycle, TrackableComponent

Direct Known Subclasses:

ApplicationEventListeningMessageProducer

public abstract class ExpressionMessageProducerSupport
extends MessageProducerSupport

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

Since:

2.1

Author:

David Turanski, Artem Bilan, Gary Russell

Nested Class Summary

Nested classes/interfaces inherited from interface IntegrationManagement

IntegrationManagement.ManagementOverrides

Field Summary

Fields inherited from class AbstractEndpoint

lifecycleLock

Fields inherited from class IntegrationObjectSupport

EXPRESSION_PARSER, logger

Fields inherited from interface IntegrationManagement

METER_PREFIX, RECEIVE_COUNTER_NAME, SEND_TIMER_NAME

Fields inherited from interface SmartLifecycle

DEFAULT_PHASE

Constructor Summary

Constructors

Constructor	Description
ExpressionMessageProducerSupport()

Method Summary

Modifier and Type	Method	Description
protected Object	evaluatePayloadExpression(Object payload)
protected void	onInit()	Subclasses may implement this for initialization logic.
void	setIntegrationEvaluationContext(EvaluationContext evaluationContext)
void	setPayloadExpression(Expression payloadExpression)
void	setPayloadExpressionString(String payloadExpression)

Methods inherited from class MessageProducerSupport

afterSingletonsInstantiated, buildErrorMessage, doStart, doStop, getComponentType, getErrorChannel, getErrorMessageAttributes, getErrorMessageStrategy, getIntegrationPatternType, getMessagingTemplate, getOutputChannel, getOutputChannelName, getRequiredOutputChannel, isObserved, registerObservationRegistry, sendErrorMessageIfNecessary, sendMessage, setErrorChannel, setErrorChannelName, setErrorMessageStrategy, setObservationConvention, setOutputChannel, setOutputChannelName, setSendTimeout, setShouldTrack, subscribeToPublisher

Methods inherited from class AbstractEndpoint

destroy, doStop, getPhase, getRole, isActive, isAutoStartup, isRunning, setAutoStartup, setPhase, setRole, start, stop, stop

Methods inherited from class IntegrationObjectSupport

afterPropertiesSet, extractTypeIfPossible, generateId, getApplicationContext, getApplicationContextId, getBeanDescription, getBeanFactory, getBeanName, getChannelResolver, getComponentDescription, getComponentName, getComponentSource, getConversionService, getExpression, getIntegrationProperties, getMessageBuilderFactory, getTaskScheduler, isInitialized, setApplicationContext, setBeanFactory, setBeanName, setChannelResolver, setComponentDescription, setComponentName, setComponentSource, setConversionService, setMessageBuilderFactory, setPrimaryExpression, setTaskScheduler, toString

Methods inherited from class Object

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

Methods inherited from interface IntegrationManagement

destroy, getManagedName, getManagedType, getOverrides, getThisAs, isLoggingEnabled, registerMetricsCaptor, setLoggingEnabled, setManagedName, setManagedType

Methods inherited from interface NamedComponent

getBeanName, getComponentName

Methods inherited from interface SmartLifecycle

isPauseable

Constructor Details

ExpressionMessageProducerSupport

public ExpressionMessageProducerSupport()

Method Details

setPayloadExpression

public void setPayloadExpression(Expression payloadExpression)

Parameters:

payloadExpression - the expression to use.

Since:

4.3

setPayloadExpressionString

public void setPayloadExpressionString(String payloadExpression)

Parameters:

payloadExpression - the String in SpEL syntax.

Since:

4.3

setIntegrationEvaluationContext

public void setIntegrationEvaluationContext(EvaluationContext evaluationContext)

onInit

protected void onInit()

Description copied from class: IntegrationObjectSupport

Subclasses may implement this for initialization logic.

Overrides:

onInit in class MessageProducerSupport

evaluatePayloadExpression

protected Object evaluatePayloadExpression(Object payload)