Chain_of_responsibility Struct Reference

list based implementation without recursion More...

Inheritance diagram for Chain_of_responsibility:

Collaboration diagram for Chain_of_responsibility:

Public Member Functions
void	register_handler (Handler &&h, bool front=false)
int	handle (Command &cmnd) override
	Specific handler can process a command and return non-negative. More...
Public Member Functions inherited from Handler
virtual int	handle (Command &cmnd)
	Specific handler can process a command and return non-negative. More...
virtual	~Handler ()=default

Detailed Description

list based implementation without recursion

Chain-of-responsibility pattern

https://refactoring.guru/design-patterns/chain-of-responsibility

Definition at line 522 of file patterns.cpp.

Member Function Documentation

handle()

int Chain_of_responsibility::handle ( Command &  cmnd )

inlineoverridevirtual

Specific handler can process a command and return non-negative.

Reimplemented from Handler.

Definition at line 538 of file patterns.cpp.

                                       {
        int rc = -1;
        for (Handler& h : handlers)
            if ((rc = h.handle(cmnd)) >= 0)
                return rc;
        return rc;
    }

Here is the caller graph for this function:

register_handler()

void Chain_of_responsibility::register_handler ( Handler &&  h, bool  front = false  )

inline

Definition at line 532 of file patterns.cpp.

                                                           {
        if (front)
            handlers.push_front(h);
        else
            handlers.push_back(h);
    }

Here is the caller graph for this function:

---

The documentation for this struct was generated from the following file:

• patterns.cpp