Spring Integration -复制文件后停止入站适配器

<int-file:inbound-channel-adapter id="fileInboundAdapter"
    directory="inputDirectory"
    channel="fileInputChannel">
    <int:poller fixed-rate="1000" />
</int-file:inbound-channel-adapter>

<int:channel id="fileInputChannel" />

<int-file:outbound-channel-adapter id="fileOutboundAdapter"
    directory="outputDirectory"
    channel="fileOutputChannel" />

<int:channel id="fileOutputChannel" />

<int:service-activator input-channel="fileInputChannel"
    output-channel="fileOutputChannel"
    ref="fileCopyService"
    method="copyFileAndStopAdapter" />

<bean id="fileCopyService" class="com.example.FileCopyService" />

public class FileCopyService {
    private boolean stopAdapter = false;

    public void copyFileAndStopAdapter(Message<File> message) {
        if (!stopAdapter) {
            // 复制文件的逻辑
            // ...

            // 检查是否需要停止适配器
            if (shouldStopAdapter()) {
                stopAdapter = true;
                stopFileInboundAdapter();
            }
        }
    }

    private boolean shouldStopAdapter() {
        // 判断是否需要停止适配器的条件
        // ...
    }

    private void stopFileInboundAdapter() {
        // 停止文件入站适配器的逻辑
        // ...
    }
}