spring rabbitmq 应用与配置

package org.springframework.amqp.rabbit.core;

import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.Message;
/**
* spring 事件监听器，只有一个onMessage方法
*/
public interface ChannelAwareMessageListener {
    void onMessage(Message var1, Channel var2) throws Exception;
}

package org.springframework.amqp.support.converter;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessageProperties;
/**
* 消息转换器，将消息转换成业务对象
*/
public interface MessageConverter {
    Message toMessage(Object var1, MessageProperties var2) throws MessageConversionException;

    Object fromMessage(Message var1) throws MessageConversionException;
}

/**
* 自定义消息监听器，继承 ChannelAwareMessageListener 接口
* onMessage接收到消息，则将消息转换成业务对象，并交由service进行处理
*/
public class MyMessageListener implements ChannelAwareMessageListener {
    @Autowired
    private MessageConverter messageConverter;
    @Autowired
    private MessageService messageService;

    @Override
    public void onMessage(Message message, Channel channel) throws Exception {
        MyMessage myMessage = null;
        long startTime = System.currentTimeMillis();
        try {
            myMessage = (MyMessage) messageConverter.fromMessage(message);
            Log("收到新消息：" + myMessage + "处理开始");
            messageService.processMessage(myMessage);
        } catch (Exception e) {

        }
        // 消息的标识，false只确认当前一个消息收到，true确认所有consumer获得的消息
        channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
        Log("收到新消息：" + myMessage + "处理结束,耗时：" + (System.currentTimeMillis() - startTime) + "ms");
    }
}