Caller.php
1.9 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
<?php
declare(strict_types=1);
/**
* This file is part of Hyperf.
*
* @link https://www.hyperf.io
* @document https://hyperf.wiki
* @contact group@hyperf.io
* @license https://github.com/hyperf/hyperf/blob/master/LICENSE
*/
namespace Hyperf\Utils\Channel;
use Closure;
use Hyperf\Engine\Channel;
use Hyperf\Utils\Exception\ChannelClosedException;
use Hyperf\Utils\Exception\WaitTimeoutException;
class Caller
{
/**
* @var null|Channel
*/
protected $channel;
/**
* @var float wait seconds
*/
protected $waitTimeout;
/**
* @var null|Closure
*/
protected $closure;
public function __construct(Closure $closure, float $waitTimeout = 10)
{
$this->closure = $closure;
$this->waitTimeout = $waitTimeout;
$this->initInstance();
}
public function call(Closure $closure)
{
$release = true;
$channel = $this->channel;
try {
$instance = $channel->pop($this->waitTimeout);
if ($instance === false) {
if ($channel->isClosing()) {
throw new ChannelClosedException('The channel was closed.');
}
if ($channel->isTimeout()) {
throw new WaitTimeoutException('The instance pop from channel timeout.');
}
}
$result = $closure($instance);
} catch (ChannelClosedException|WaitTimeoutException $exception) {
$release = false;
throw $exception;
} finally {
$release && $channel->push($instance ?? null);
}
return $result;
}
public function initInstance(): void
{
if ($this->channel) {
$this->channel->close();
}
$this->channel = new Channel(1);
$this->channel->push($this->closure->__invoke());
}
}