org.springframework.integration.aop

Class SimpleActiveIdleMessageSourceAdvice

java.lang.Object

org.springframework.integration.aop.AbstractMessageSourceAdvice

org.springframework.integration.aop.SimpleActiveIdleMessageSourceAdvice

All Implemented Interfaces:

Advice, Interceptor, MethodInterceptor, MessageSourceMutator

public class SimpleActiveIdleMessageSourceAdvice
extends AbstractMessageSourceAdvice

A simple advice that polls at one rate when messages exist and another when there are no messages.

Since:

4.2

Author:

Gary Russell

See Also:

DynamicPeriodicTrigger

Constructor Summary

Constructors

Constructor and Description
SimpleActiveIdleMessageSourceAdvice(DynamicPeriodicTrigger trigger)

Method Summary

Modifier and Type	Method and Description
Message<?>	afterReceive(Message<?> result, MessageSource<?> source) Subclasses can take actions based on the result of the poll; e.g.
void	setActivePollPeriod(long activePollPeriod) Set the poll period when messages are returned.
void	setIdlePollPeriod(long idlePollPeriod) Set the poll period when messages are not returned.

Methods inherited from class org.springframework.integration.aop.AbstractMessageSourceAdvice

invoke

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.integration.aop.MessageSourceMutator

beforeReceive

Constructor Detail

SimpleActiveIdleMessageSourceAdvice

public SimpleActiveIdleMessageSourceAdvice(DynamicPeriodicTrigger trigger)

Method Detail

setIdlePollPeriod

public void setIdlePollPeriod(long idlePollPeriod)

Set the poll period when messages are not returned. Defaults to the trigger's period.

Parameters:

idlePollPeriod - the period in milliseconds.

setActivePollPeriod

public void setActivePollPeriod(long activePollPeriod)

Set the poll period when messages are returned. Defaults to the trigger's period.

Parameters:

activePollPeriod - the period in milliseconds.

afterReceive

public Message<?> afterReceive(Message<?> result,
                               MessageSource<?> source)

Description copied from interface: MessageSourceMutator

Subclasses can take actions based on the result of the poll; e.g. adjust the trigger. The message can also be replaced with a new one.

Parameters:

result - the received message.

source - the message source.

Returns:

a message to continue to process the result, null to discard whatever the poll returned.