Hello\Subject

Complexity

Total Complexity

8

Size/Duplication

Total Lines	40
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	getName()	0	3	1
A	doSomething()	0	7	1
A	notify()	0	4	2
A	attach()	0	3	1
A	doSomethingBad()	0	4	2

<?php
/**
 * @author: jiangyi
 * @date: 下午5:25 2018/11/28
 */

namespace Hello;

class Subject
{
    protected $observers = [];
    protected $name;

    public function __construct($name)
    {
        $this->name = $name;
    }

    public function getName()
    {
        return $this->name;
    }

    public function attach(Observer $observer)
    {
        $this->observers[] = $observer;
    }

    public function doSomething()
    {
        // 做点什么
        // ...

        // 通知观察者发生了些什么
        $this->notify('something');
    }

    public function doSomethingBad()
    {
        foreach ($this->observers as $observer) {
            $observer->reportError(42, 'Something bad happened', $this);
        }
    }

    protected function notify($argument)
    {
        foreach ($this->observers as $observer) {
            $observer->update($argument);
        }
    }
}