设计问题：客户端是否应该同时创建会话和套接字？
我有三个类：
- Client
- Session
- Socket
会话和套接字套接字依赖于客户端来创建这两个对象。
会话依赖于套接字，没有会话就不会创建套接字。 客户端是否应该有一个公开创建会话和私有创建套接字的函数？
这不是违反了得墨忒尔法则吗？
编辑： 当前代码：
class Client
{
private:
// Connection details
public:
shared_ptr<Socket> createSocket(); // returns a new socket if the connection is opened
}
class Session
{
public:
Session(Client &); // Accepts a client and gets a socket for i/o to the server
}
现在有消息告诉我会话不应该负责从客户端获取套接字，而客户端应该创建会话。
我说得对吗？
I have three classes:
- Client
- Session
- Socket
Both Session & Socket depeand on the Client to create both objects.
A Session depeands on a Socket and no sockets are created without a session.
Should the Client have a function that creates a Session pubically and a Socket privately?
Doesn't it violate the law of demeter?
EDIT:
Current code:
class Client
{
private:
// Connection details
public:
shared_ptr<Socket> createSocket(); // returns a new socket if the connection is opened
}
class Session
{
public:
Session(Client &); // Accepts a client and gets a socket for i/o to the server
}
Now something tells me that the session shouldn't be responsible for getting the socket from the client and that the client should create the session.
Am I right?
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这取决于。关于
Client，您所告诉我们的只是它创建了Session和Socket，仅此而已。如果
Client需要同时使用两者，则不存在违规。如果它只是创建Socket以便将其提供给Session，我会说这是一种违规，并且Session应该获取 Socket 本身。It depends. All you are telling us about
Clientis that it creates bothSessionandSocket, nothing more.If
Clientneeds to use both, then there is no violation. If it only createsSocketin order to provide it toSession, I would say this is a violation andSessionshould getSocketitself.