org.springframework.integration.aggregator

Class ExpressionEvaluatingMessageListProcessor

java.lang.Object

org.springframework.integration.util.AbstractExpressionEvaluator

org.springframework.integration.aggregator.ExpressionEvaluatingMessageListProcessor

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.InitializingBean, MessageListProcessor

Direct Known Subclasses:

ExpressionEvaluatingReleaseStrategy

public class ExpressionEvaluatingMessageListProcessor
extends AbstractExpressionEvaluator
implements MessageListProcessor

A base class for aggregators that evaluates a SpEL expression with the message list as the root object within the evaluation context.

Since:

2.0

Author:

Dave Syer

Constructor Summary

Constructors

Constructor and Description
ExpressionEvaluatingMessageListProcessor(java.lang.String expression)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	process(java.util.Collection<? extends Message<?>> messages) Processes the Message by evaluating the expression with that Message as the root object.
void	setExpectedType(java.lang.Class<?> expectedType) Set the result type expected from evaluation of the expression.

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

afterPropertiesSet, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, getEvaluationContext, getEvaluationContext, setBeanFactory, setConversionService

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionEvaluatingMessageListProcessor

public ExpressionEvaluatingMessageListProcessor(java.lang.String expression)

Method Detail

setExpectedType

public void setExpectedType(java.lang.Class<?> expectedType)

Set the result type expected from evaluation of the expression.

process

public java.lang.Object process(java.util.Collection<? extends Message<?>> messages)

Processes the Message by evaluating the expression with that Message as the root object. The expression evaluation result Object will be returned.

Specified by:

process in interface MessageListProcessor