我正在使用springboot2.4.2版本，并使用 @InboundChannelAdapter .

import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.annotation.InboundChannelAdapter;

@EnableBinding(value = Source.class)
public class TransactionPublisher {

    @InboundChannelAdapter(channel = Source.OUTPUT)
    public String sendTransactionDetails() {
        return "{name:\"T1\", amount: \"1000\", transactionFor : \"Purchase\"}";
    }
}

rabbitmqreceiverapplication.java文件

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Sink;

@EnableBinding(value = Sink.class)
@SpringBootApplication
public class RabbitmqReceiverApplication {

    public static void main(String[] args) {
        SpringApplication.run(RabbitmqReceiverApplication.class, args);
    }

    @StreamListener(Sink.INPUT)
    public void log(String message) {
        System.out.println(message);
    }
}

还有什么选择呢？那么如何重构上述代码呢？很多事情都发生在节奏变得难以理解什么来了什么去了？