org.springframework.integration.handler
Class MethodInvokingTarget

java.lang.Object
  org.springframework.integration.handler.AbstractMessageHandler
      org.springframework.integration.handler.MethodInvokingTarget

All Implemented Interfaces:

org.springframework.beans.factory.InitializingBean, org.springframework.core.Ordered, MessageHandler, MessageTarget

public class MethodInvokingTarget
extends AbstractMessageHandler
implements MessageTarget

A messaging target that invokes the specified method on the provided object.

Author:

Mark Fisher

Field Summary

Fields inherited from class org.springframework.integration.handler.AbstractMessageHandler

logger

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

MethodInvokingTarget()

Method Summary

protected Message<?>	createReplyMessage(java.lang.Object result, Message<?> requestMessage) Subclasses must implement this method to generate the reply Message when the return value is not a Message instance.
private void	failIfNotNull(java.lang.Object result, Message<?> requestMessage)
protected Message<?>	postProcessReplyMessage(Message<?> replyMessage, Message<?> requestMessage) Subclasses must implement this method to process a return value that is already a Message instance.
boolean	send(Message<?> message) Send a Message to this target.

Methods inherited from class org.springframework.integration.handler.AbstractMessageHandler

afterPropertiesSet, getOrder, handle, setMethod, setMethodName, setObject, setOrder

Methods inherited from class java.lang.Object

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

Constructor Detail

MethodInvokingTarget

public MethodInvokingTarget()

Method Detail

send

public boolean send(Message<?> message)

Description copied from interface: MessageTarget

Send a Message to this target. May throw a RuntimeException for non-recoverable errors. Otherwise, if the Message cannot be sent for a non-fatal reason such as timeout, then this method will return 'false', and if the Message is sent successfully, it will return 'true'.

Specified by:

send in interface MessageTarget

Parameters:

message - the Message to send

Returns:

whether the Message has been sent successfully

createReplyMessage

protected Message<?> createReplyMessage(java.lang.Object result,
                                        Message<?> requestMessage)

Description copied from class: AbstractMessageHandler

Subclasses must implement this method to generate the reply Message when the return value is not a Message instance.

Specified by:

createReplyMessage in class AbstractMessageHandler

Parameters:

result - the return value from an adapter method, or the Message payload if not acting as an adapter

requestMessage - the original request Message

Returns:

the Message to be sent to the reply MessageTarget

postProcessReplyMessage

protected Message<?> postProcessReplyMessage(Message<?> replyMessage,
                                             Message<?> requestMessage)

Description copied from class: AbstractMessageHandler

Subclasses must implement this method to process a return value that is already a Message instance.

Specified by:

postProcessReplyMessage in class AbstractMessageHandler

Parameters:

replyMessage - the Message returned from an adapter method

requestMessage - the original request Message

Returns:

the Message to be sent to the reply MessageTarget

failIfNotNull

private void failIfNotNull(java.lang.Object result,
                           Message<?> requestMessage)