Package org.springframework.integration.aggregator

Class ExpressionEvaluatingCorrelationStrategy

java.lang.Object

org.springframework.integration.aggregator.ExpressionEvaluatingCorrelationStrategy

All Implemented Interfaces:

Aware, BeanFactoryAware, CorrelationStrategy

public class ExpressionEvaluatingCorrelationStrategy
extends Object
implements CorrelationStrategy, BeanFactoryAware

CorrelationStrategy implementation that evaluates an expression.

Author:

Dave Syer, Oleg Zhurakousky, Artem Bilan

Constructor Summary

Constructors

Constructor	Description
ExpressionEvaluatingCorrelationStrategy(String expressionString)
ExpressionEvaluatingCorrelationStrategy(Expression expression)

Method Summary

Modifier and Type	Method	Description
Object	getCorrelationKey(Message<?> message)	Find the correlation key for the given message.
void	setBeanFactory(BeanFactory beanFactory)

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionEvaluatingCorrelationStrategy

public ExpressionEvaluatingCorrelationStrategy(String expressionString)

ExpressionEvaluatingCorrelationStrategy

public ExpressionEvaluatingCorrelationStrategy(Expression expression)

Method Details

getCorrelationKey

public Object getCorrelationKey(Message<?> message)

Description copied from interface: CorrelationStrategy

Find the correlation key for the given message. If no key can be determined the strategy should not return null, but throw an exception.

Specified by:

getCorrelationKey in interface CorrelationStrategy

Parameters:

message - The message.

Returns:

The correlation key.

setBeanFactory

public void setBeanFactory(BeanFactory beanFactory)
                    throws BeansException

Specified by:

setBeanFactory in interface BeanFactoryAware

Throws:

BeansException