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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\MessageQueue;
/**
* Processing messages implementing MergedMessageInterface.
*/
class MergedMessageProcessor implements MessageProcessorInterface
{
/**
* @var \Magento\Framework\MessageQueue\MessageStatusProcessor
*/
private $messageStatusProcessor;
/**
* @param MessageStatusProcessor $messageStatusProcessor
*/
public function __construct(MessageStatusProcessor $messageStatusProcessor)
{
$this->messageStatusProcessor = $messageStatusProcessor;
}
/**
* @inheritdoc
*/
public function process(
QueueInterface $queue,
ConsumerConfigurationInterface $configuration,
array $messages,
array $messagesToAcknowledge,
array $mergedMessages
) {
$this->messageStatusProcessor->acknowledgeMessages($queue, $messagesToAcknowledge);
$this->dispatchMessages($queue, $configuration, $mergedMessages, $messages);
}
/**
* Processing decoded messages, invoking callbacks, changing statuses for messages.
*
* @param QueueInterface $queue
* @param ConsumerConfigurationInterface $configuration
* @param array $messageList
* @param array $originalMessages
*/
private function dispatchMessages(
QueueInterface $queue,
ConsumerConfigurationInterface $configuration,
array $messageList,
array $originalMessages
) {
$originalMessagesIds = [];
try {
foreach ($messageList as $topicName => $messages) {
foreach ($messages as $message) {
/**
* @var \Magento\Framework\MessageQueue\MergedMessageInterface $message
*/
$callbacks = $configuration->getHandlers($topicName);
$originalMessagesIds = $message->getOriginalMessagesIds();
foreach ($callbacks as $callback) {
call_user_func($callback, $message->getMergedMessage());
}
$originalMessages = $this->getOriginalMessages($originalMessages, $originalMessagesIds);
$this->messageStatusProcessor->acknowledgeMessages($queue, $originalMessages);
}
}
} catch (\Exception $e) {
$originalMessages = $this->getOriginalMessages($originalMessages, $originalMessagesIds);
$this->messageStatusProcessor->rejectMessages($queue, $originalMessages);
}
}
/**
* Get original messages by messages ids.
*
* @param array $messages
* @param array $messagesIds
* @return array
*/
private function getOriginalMessages(array $messages, array $messagesIds)
{
$originalMessages = [];
foreach ($messagesIds as $messageId) {
if (isset($messages[$messageId])) {
$originalMessages[] = $messages[$messageId];
}
}
return $originalMessages;
}
}