Subversion Repositories php-qbpwcf

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
3 liveuser 1 
<?php
2 
 
3 
namespace React\Promise;
4 
 
5 
class Deferred implements PromisorInterface
6 
{
7 
    private $promise;
8 
    private $resolveCallback;
9 
    private $rejectCallback;
10 
    private $notifyCallback;
11 
    private $canceller;
12 
 
13 
    public function __construct(callable $canceller = null)
14 
    {
15 
        $this->canceller = $canceller;
16 
    }
17 
 
18 
    public function promise()
19 
    {
20 
        if (null === $this->promise) {
21 
            $this->promise = new Promise(function ($resolve, $reject, $notify) {
22 
                $this->resolveCallback = $resolve;
23 
                $this->rejectCallback  = $reject;
24 
                $this->notifyCallback  = $notify;
25 
            }, $this->canceller);
26 
            $this->canceller = null;
27 
        }
28 
 
29 
        return $this->promise;
30 
    }
31 
 
32 
    public function resolve($value = null)
33 
    {
34 
        $this->promise();
35 
 
36 
        \call_user_func($this->resolveCallback, $value);
37 
    }
38 
 
39 
    public function reject($reason = null)
40 
    {
41 
        $this->promise();
42 
 
43 
        \call_user_func($this->rejectCallback, $reason);
44 
    }
45 
 
46 
    /**
47 
     * @deprecated 2.6.0 Progress support is deprecated and should not be used anymore.
48 
     * @param mixed $update
49 
     */
50 
    public function notify($update = null)
51 
    {
52 
        $this->promise();
53 
 
54 
        \call_user_func($this->notifyCallback, $update);
55 
    }
56 
 
57 
    /**
58 
     * @deprecated 2.2.0
59 
     * @see Deferred::notify()
60 
     */
61 
    public function progress($update = null)
62 
    {
63 
        $this->notify($update);
64 
    }
65 
}