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, InitializingBean, MessageSource<T>

public class ExpressionEvaluatingMessageSource<T>
extends AbstractMessageSource<T>

Since:

2.0

Author:

Mark Fisher

Constructor Summary

Constructors

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

Method Summary

Methods

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

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

receive, setHeaderExpressions

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

afterPropertiesSet, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, 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

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.