领域驱动设计聚合
有人可以澄清以下内容吗？
如果有以下型号；
演示文稿-->幻灯片-->视频
，我已将演示文稿标识为聚合根，这是否意味着如果我想将幻灯片添加到演示文稿，那么我必须遍历聚合根，例如presentation.addslide(slide myslide ）并且以类似的方式，如果我想将视频添加到幻灯片中，我还必须通过聚合根，例如presentation.addvideotoslide（video myvideo，int slipNumber）???
或者我可以在演示文稿之外使用幻灯片并在幻灯片上有一个方法，例如slide.addvideo(video myvideo)???
谢谢
Can someone please clarify the following;
if a have the following model;
presentation-->slide-->video
where I have identified presentation as the aggregate root, does this mean that if I want to add a slide to a presentation then I must go through the aggregate root e.g. presentation.addslide(slide myslide) and in a similar fashion if I want to add a video to a slide I also have to go through the aggregate root e.g. presentation.addvideotoslide(video myvideo, int slideNumber)???
Or can I use the slide outwith the presentation and have a method on the slide e.g. slide.addvideo(video myvideo)???
Thanks
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您的第一个假设是正确的，您应该通过聚合根来访问聚合中包含的值对象和实体。
Your first assumption is correct, you are supposed to go through the aggregate root to access value objects and entities contained within the aggregate.