org.springframework.integration.endpoint

Class ExpressionEvaluatingMessageSource<T>

java.lang.Object

org.springframework.integration.util.AbstractExpressionEvaluator

org.springframework.integration.endpoint.AbstractMessageSource<T>

org.springframework.integration.endpoint.ExpressionEvaluatingMessageSource<T>

All Implemented Interfaces:

Aware, BeanFactoryAware, BeanNameAware, InitializingBean, MessageSource<T>, NamedComponent

public class ExpressionEvaluatingMessageSource<T>
extends AbstractMessageSource<T>

Since:

2.0

Author:

Mark Fisher, Gary Russell

Field Summary

Fields inherited from class org.springframework.integration.util.AbstractExpressionEvaluator

logger

Constructor Summary

Constructors

Constructor and Description
ExpressionEvaluatingMessageSource(Expression expression, Class<T> expectedType)

Method Summary

Modifier and Type	Method and Description
T	doReceive() Subclasses must implement this method.
String	getComponentType()

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

getComponentName, receive, setBeanName, setHeaderExpressions

Methods inherited from class org.springframework.integration.util.AbstractExpressionEvaluator

afterPropertiesSet, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, getBeanFactory, getEvaluationContext, getEvaluationContext, getMessageBuilderFactory, setBeanFactory, setConversionService

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionEvaluatingMessageSource

public ExpressionEvaluatingMessageSource(Expression expression,
                                         Class<T> expectedType)

Method Detail

getComponentType

public String getComponentType()

doReceive

public T doReceive()

Description copied from class: AbstractMessageSource

Subclasses must implement this method. Typically the returned value will be the payload of type T, but the returned value may also be a Message instance whose payload is of type T.

Specified by:

doReceive in class AbstractMessageSource<T>

Returns:

The value returned.