AbstractWorker::getChannel() - Code Metrics - Inspection of "General improvements and new features" - MarwanAlsoltany/amqp-agent - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#12)

by Marwan

created 2022-05-12 09:31 UTC

AbstractWorker::getChannel() A

↳ Parent: AbstractWorker

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	1
c	1
b	0
f	0
dl	0
loc	3
ccs	2
cts	2
cp	1
rs	10
cc	1
nc	1
nop	0
crap	1

<?php

/**
 * @author Marwan Al-Soltany <[email protected]>
 * @copyright Marwan Al-Soltany 2020
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

declare(strict_types=1);

namespace MAKS\AmqpAgent\Worker;

use PhpAmqpLib\Connection\AMQPStreamConnection;
use PhpAmqpLib\Channel\AMQPChannel;
use PhpAmqpLib\Message\AMQPMessage;
use PhpAmqpLib\Wire\AMQPTable;
use PhpAmqpLib\Exception\AMQPInvalidArgumentException;
use PhpAmqpLib\Exception\AMQPTimeoutException;
use PhpAmqpLib\Exception\AMQPConnectionClosedException;
use MAKS\AmqpAgent\Worker\AbstractWorkerInterface;
use MAKS\AmqpAgent\Worker\WorkerCommandTrait;
use MAKS\AmqpAgent\Worker\WorkerMutationTrait;
use MAKS\AmqpAgent\Exception\MagicMethodsExceptionsTrait;
use MAKS\AmqpAgent\Exception\PropertyDoesNotExistException;
use MAKS\AmqpAgent\Exception\AmqpAgentException as Exception;
use MAKS\AmqpAgent\Config\AbstractWorkerParameters as Parameters;

/**
 * An abstract class implementing the basic functionality of a worker.
 * @since 1.0.0
 * @api
 */
abstract class AbstractWorker implements AbstractWorkerInterface
{
    use MagicMethodsExceptionsTrait {
        __get as private __get_MMET;
        __set as private __set_MMET;
    }
    use WorkerMutationTrait;
    use WorkerCommandTrait;

    /**
     * The default connection options that the worker should use when no overrides are provided.
     * @var array
     */
    protected $connectionOptions;

    /**
     * The default channel options that the worker should use when no overrides are provided.
     * @var array
     */
    protected $channelOptions;

    /**
     * The default queue options that the worker should use when no overrides are provided.
     * @var array
     */
    protected $queueOptions;

    /**
     * The default connection of the worker.
     * @var AMQPStreamConnection
     */
    public $connection;

    /**
     * The default channel of the worker.
     * @var AMQPChannel
     */
    public $channel;

    /**
     * All opened connections of the worker.
     * @var AMQPStreamConnection[]
     */
    public $connections = [];

    /**
     * All opened channels of the the worker.
     * @var AMQPChannel[]
     */
    public $channels = [];


    /**
     * AbstractWorker object constructor.
     * @param array $connectionOptions [optional] The overrides for the default connection options of the worker.
     * @param array $channelOptions [optional] The overrides for the default channel options of the worker.
     * @param array $queueOptions [optional] The overrides for the default queue options of the worker.
     */
    public function __construct(
        array $connectionOptions = [],
        array $channelOptions = [],
        array $queueOptions = []
    ) {
        $this->connectionOptions = Parameters::patch($connectionOptions, 'CONNECTION_OPTIONS');
        $this->channelOptions    = Parameters::patch($channelOptions, 'CHANNEL_OPTIONS');
        $this->queueOptions      = Parameters::patch($queueOptions, 'QUEUE_OPTIONS');
    }

    /**
     * Closes the connection with RabbitMQ server before destroying the object.
     */
    public function __destruct()
    {
        $this->disconnect();
    }

    /**
     * Gets a class member via public property access notation.
     * @param string $member Property name.
     * @return mixed
     * @throws PropertyDoesNotExistException
     */
    public function __get(string $member)
    {
        $isMember = property_exists($this, $member);
        if ($isMember) {
            return $this->{$member};
        }

        $this->__get_MMET($member);
    }

    /**
     * Sets a class member via public property assignment notation.
     * @param string $member Property name.
     * @param array $array Array of overrides. The array type here is important, because only *Options properties should be overridable.
     * @return void
     * @throws PropertyDoesNotExistException
     */
    public function __set(string $member, array $array)
    {
        $isMember = property_exists($this, $member);
        $notProtected = $member !== 'mutation';

        if ($isMember && $notProtected) {
            $acceptedKeys = array_keys($this->{$member});
            foreach ($array as $key => $value) {
                if (in_array($key, $acceptedKeys)) {
                    $this->{$member}[$key] = $value;
                }
            }
            return;
        }

        $this->__set_MMET($member, $array);
    }


    /**
     * Closes the connection or the channel or both with RabbitMQ server.
     * @param AMQPStreamConnection|AMQPChannel|AMQPMessage ...$object The object that should be used to close the channel or the connection.
     * @return bool True on success.
     * @throws Exception
     */
    public static function shutdown(...$object): bool
    {
        $successful = true;
        $parameters = [];

        foreach ($object as $class) {
            $parameters[] = is_object($class) ? get_class($class) : gettype($class);
            if (
                $class instanceof AMQPStreamConnection ||
                $class instanceof AMQPChannel ||
                $class instanceof AMQPMessage
            ) {
                try {
                    if (!($class instanceof AMQPMessage)) {
                        $class->close();
                        continue;
                    }
                    $class->getChannel()->close();
                } catch (AMQPConnectionClosedException $e) {
                    // No need to throw the exception here as it's extraneous. This error
                    // happens when a channel gets closed multiple times in different ways.
                }
            } else {
                $successful = false;
            }
        }

        if ($successful) {
            return $successful;
        }

        throw new Exception(
            sprintf(
                'The passed parameter must be of type %s, %s or %s or a combination of them. Given parameter(s) has/have the type(s): %s!',
                AMQPStreamConnection::class,
                AMQPChannel::class,
                AMQPMessage::class,
                implode(', ', $parameters)
            )
        );
    }

    /**
     * Returns an AMQPTable object.
     * @param array $array An array of the option wished to be turn into the an arguments object.
     * @return AMQPTable
     */
    public static function arguments(array $array): AMQPTable
    {
        return new AMQPTable($array);
    }


    /**
     * Establishes a connection with RabbitMQ server and opens a channel for the worker in the opened connection, it also sets both of them as defaults.
     * @return self
     */
    public function connect()
    {
        if (empty($this->connection)) {
            $this->connection = $this->getNewConnection();
        }

        if (empty($this->channel)) {
            $this->channel = $this->getNewChannel();
        }

        return $this;
    }

    /**
     * Closes all open channels and connections with RabbitMQ server.
     * @return self
     */
    public function disconnect()
    {
        if (count($this->channels)) {
            foreach ($this->channels as $channel) {
                $channel->close();
            }
            $this->channel = null;
            $this->channels = [];
        }

        if (count($this->connections)) {
            foreach ($this->connections as $connection) {
                $connection->close();
            }
            $this->connection = null;
            $this->connections = [];
        }

        return $this;
    }

    /**
     * Executes `self::disconnect()` and `self::connect()` respectively. Note that this method will not restore old channels.
     * @return self
     */
    public function reconnect()
    {
        $this->disconnect();
        $this->connect();

        return $this;
    }

    /**
     * Declares a queue on the default channel of the worker's connection with RabbitMQ server.
     * @param array $parameters [optional] The overrides for the default queue options of the worker.
     * @param AMQPChannel $_channel [optional] The channel that should be used instead of the default worker's channel.
     * @return self
     * @throws AMQPTimeoutException
     */
    public function queue(?array $parameters = null, ?AMQPChannel $_channel = null)
    {
        $changes = null;
        if ($parameters) {
            $changes = $this->mutateClassMember('queueOptions', $parameters);
        }

        $channel = $_channel ?: $this->channel;

        try {
            $channel->queue_declare(
                $this->queueOptions['queue'],
                $this->queueOptions['passive'],
                $this->queueOptions['durable'],
                $this->queueOptions['exclusive'],
                $this->queueOptions['auto_delete'],
                $this->queueOptions['nowait'],
                $this->queueOptions['arguments'],
                $this->queueOptions['ticket']
            );
        } catch (AMQPTimeoutException $error) { // @codeCoverageIgnore
            Exception::rethrow($error); // @codeCoverageIgnore
        }

        if ($changes) {
            $this->mutateClassMember('queueOptions', $changes);
        }

        return $this;
    }

    /**
     * Returns the default connection of the worker. If the worker is not connected, it returns null.
     * @since 1.1.0
     * @return AMQPStreamConnection|null
     */
    public function getConnection(): ?AMQPStreamConnection
    {
        return $this->connection;
    }

    /**
     * Sets the passed connection as the default connection of the worker.
     * @since 1.1.0
     * @param AMQPStreamConnection $connection The connection that should be as the default connection of the worker.
     * @return self
     */
    public function setConnection(AMQPStreamConnection $connection)
    {
        $this->connection = $connection;
        return $this;
    }

    /**
     * Opens a new connection to RabbitMQ server and returns it. Connections returned by this method pushed to connections array and are not set as default automatically.
     * @since 1.1.0
     * @param array|null $parameters
     * @return AMQPStreamConnection
     */
    public function getNewConnection(array $parameters = null): AMQPStreamConnection
    {
        $changes = null;
        if ($parameters) {
            $changes = $this->mutateClassMember('connectionOptions', $parameters);
        }

        $this->connections[] = $connection = new AMQPStreamConnection(
            $this->connectionOptions['host'],
            $this->connectionOptions['port'],
            $this->connectionOptions['user'],
            $this->connectionOptions['password'],
            $this->connectionOptions['vhost'],
            $this->connectionOptions['insist'],
            $this->connectionOptions['login_method'],
            $this->connectionOptions['login_response'],
            $this->connectionOptions['locale'],
            $this->connectionOptions['connection_timeout'],
            $this->connectionOptions['read_write_timeout'],
            $this->connectionOptions['context'],
            $this->connectionOptions['keepalive'],
            $this->connectionOptions['heartbeat'],
            $this->connectionOptions['channel_rpc_timeout'],
            $this->connectionOptions['ssl_protocol']
        );

        if ($changes) {
            $this->mutateClassMember('connectionOptions', $changes);
        }

        return $connection;
    }

    /**
     * Returns the default channel of the worker. If the worker is not connected, it returns null.
     * @return AMQPChannel|null
     */
    public function getChannel(): ?AMQPChannel
    {
        return $this->channel;
    }

    /**
     * Sets the passed channel as the default channel of the worker.
     * @since 1.1.0
     * @param AMQPChannel $channel The channel that should be as the default channel of the worker.
     * @return self
     */
    public function setChannel(AMQPChannel $channel)
    {
        $this->channel = $channel;
        return $this;
    }

    /**
     * Returns a new channel on the the passed connection of the worker. If no connection is passed, it uses the default connection. If the worker is not connected, it returns null.
     * @param array|null $parameters [optional] The overrides for the default channel options of the worker.
     * @param AMQPStreamConnection|null $_connection [optional] The connection that should be used instead of the default worker's connection.
     * @return AMQPChannel|null
     */
    public function getNewChannel(array $parameters = null, ?AMQPStreamConnection $_connection = null): ?AMQPChannel
    {
        $changes = null;
        if ($parameters) {
            $changes = $this->mutateClassMember('channelOptions', $parameters);
        }

        $connection = $_connection ?: $this->connection;

        $channel = null;
        if (isset($connection)) {
            $this->channels[] = $channel = $connection->channel(
                $this->channelOptions['channel_id']
            );
        }

        if ($changes) {
            $this->mutateClassMember('channelOptions', $changes);
        }

        return $channel;
    }

    /**
     * Fetches a channel object identified by the passed id (channel_id). If not found, it returns null.
     * @param int $channelId The id of the channel wished to be fetched.
     * @param AMQPStreamConnection|null $_connection [optional] The connection that should be used instead of the default worker's connection.
     * @return AMQPChannel|null
     */
    public function getChannelById(int $channelId, ?AMQPStreamConnection $_connection = null): ?AMQPChannel
    {
        $connection = $_connection ?: $this->connection;
        $channels = $connection->channels;

        if (array_key_exists($channelId, $channels)) {
            return $channels[$channelId];
        }

        return null;
    }
}


1		<?php
2
3		/**
4		* @author Marwan Al-Soltany <[email protected]>
5		* @copyright Marwan Al-Soltany 2020
6		* For the full copyright and license information, please view
7		* the LICENSE file that was distributed with this source code.
8		*/
9
10		declare(strict_types=1);
11
12		namespace MAKS\AmqpAgent\Worker;
13
14		use PhpAmqpLib\Connection\AMQPStreamConnection;
15		use PhpAmqpLib\Channel\AMQPChannel;
16		use PhpAmqpLib\Message\AMQPMessage;
17		use PhpAmqpLib\Wire\AMQPTable;
18		use PhpAmqpLib\Exception\AMQPInvalidArgumentException;
19		use PhpAmqpLib\Exception\AMQPTimeoutException;
20		use PhpAmqpLib\Exception\AMQPConnectionClosedException;
21		use MAKS\AmqpAgent\Worker\AbstractWorkerInterface;
22		use MAKS\AmqpAgent\Worker\WorkerCommandTrait;
23		use MAKS\AmqpAgent\Worker\WorkerMutationTrait;
24		use MAKS\AmqpAgent\Exception\MagicMethodsExceptionsTrait;
25		use MAKS\AmqpAgent\Exception\PropertyDoesNotExistException;
26		use MAKS\AmqpAgent\Exception\AmqpAgentException as Exception;
27		use MAKS\AmqpAgent\Config\AbstractWorkerParameters as Parameters;
28
29		/**
30		* An abstract class implementing the basic functionality of a worker.
31		* @since 1.0.0
32		* @api
33		*/
34		abstract class AbstractWorker implements AbstractWorkerInterface
35		{
36		use MagicMethodsExceptionsTrait {
37		__get as private __get_MMET;
38		__set as private __set_MMET;
39		}
40		use WorkerMutationTrait;
41		use WorkerCommandTrait;
42
43		/**
44		* The default connection options that the worker should use when no overrides are provided.
45		* @var array
46		*/
47		protected $connectionOptions;
48
49		/**
50		* The default channel options that the worker should use when no overrides are provided.
51		* @var array
52		*/
53		protected $channelOptions;
54
55		/**
56		* The default queue options that the worker should use when no overrides are provided.
57		* @var array
58		*/
59		protected $queueOptions;
60
61		/**
62		* The default connection of the worker.
63		* @var AMQPStreamConnection
64		*/
65		public $connection;
66
67		/**
68		* The default channel of the worker.
69		* @var AMQPChannel
70		*/
71		public $channel;
72
73		/**
74		* All opened connections of the worker.
75		* @var AMQPStreamConnection[]
76		*/
77		public $connections = [];
78
79		/**
80		* All opened channels of the the worker.
81		* @var AMQPChannel[]
82		*/
83		public $channels = [];
84
85
86		/**
87		* AbstractWorker object constructor.
88		* @param array $connectionOptions [optional] The overrides for the default connection options of the worker.
89		* @param array $channelOptions [optional] The overrides for the default channel options of the worker.
90		* @param array $queueOptions [optional] The overrides for the default queue options of the worker.
91		*/
92	53	public function __construct(
93		array $connectionOptions = [],
94		array $channelOptions = [],
95		array $queueOptions = []
96		) {
97	53	$this->connectionOptions = Parameters::patch($connectionOptions, 'CONNECTION_OPTIONS');
98	53	$this->channelOptions = Parameters::patch($channelOptions, 'CHANNEL_OPTIONS');
99	53	$this->queueOptions = Parameters::patch($queueOptions, 'QUEUE_OPTIONS');
100	53	}
101
102		/**
103		* Closes the connection with RabbitMQ server before destroying the object.
104		*/
105	49	public function __destruct()
106		{
107	49	$this->disconnect();
108	49	}
109
110		/**
111		* Gets a class member via public property access notation.
112		* @param string $member Property name.
113		* @return mixed
114		* @throws PropertyDoesNotExistException
115		*/
116	4	public function __get(string $member)
117		{
118	4	$isMember = property_exists($this, $member);
119	4	if ($isMember) {
120	3	return $this->{$member};
121		}
122
123	1	$this->__get_MMET($member);
124		}
125
126		/**
127		* Sets a class member via public property assignment notation.
128		* @param string $member Property name.
129		* @param array $array Array of overrides. The array type here is important, because only *Options properties should be overridable.
130		* @return void
131		* @throws PropertyDoesNotExistException
132		*/
133	4	public function __set(string $member, array $array)
134		{
135	4	$isMember = property_exists($this, $member);
136	4	$notProtected = $member !== 'mutation';
137
138	4	if ($isMember && $notProtected) {
139	3	$acceptedKeys = array_keys($this->{$member});
140	3	foreach ($array as $key => $value) {
141	3	if (in_array($key, $acceptedKeys)) {
142	3	$this->{$member}[$key] = $value;
143		}
144		}
145	3	return;
146		}
147
148	1	$this->__set_MMET($member, $array);
149		}
150
151
152		/**
153		* Closes the connection or the channel or both with RabbitMQ server.
154		* @param AMQPStreamConnection\|AMQPChannel\|AMQPMessage ...$object The object that should be used to close the channel or the connection.
155		* @return bool True on success.
156		* @throws Exception
157		*/
158	7	public static function shutdown(...$object): bool
159		{
160	7	$successful = true;
161	7	$parameters = [];
162
163	7	foreach ($object as $class) {
164	7	$parameters[] = is_object($class) ? get_class($class) : gettype($class);
165		if (
166	7	$class instanceof AMQPStreamConnection \|\|
167	7	$class instanceof AMQPChannel \|\|
168	7	$class instanceof AMQPMessage
169		) {
170		try {
171	6	if (!($class instanceof AMQPMessage)) {
172	2	$class->close();
173	2	continue;
174		}
175	4	$class->getChannel()->close();
176	4	} catch (AMQPConnectionClosedException $e) {
177		// No need to throw the exception here as it's extraneous. This error
178		// happens when a channel gets closed multiple times in different ways.
179		}
180		} else {
181	1	$successful = false;
182		}
183		}
184
185	7	if ($successful) {
186	6	return $successful;
187		}
188
189	1	throw new Exception(
190	1	sprintf(
191	1	'The passed parameter must be of type %s, %s or %s or a combination of them. Given parameter(s) has/have the type(s): %s!',
192	1	AMQPStreamConnection::class,
193	1	AMQPChannel::class,
194	1	AMQPMessage::class,
195	1	implode(', ', $parameters)
196		)
197		);
198		}
199
200		/**
201		* Returns an AMQPTable object.
202		* @param array $array An array of the option wished to be turn into the an arguments object.
203		* @return AMQPTable
204		*/
205	1	public static function arguments(array $array): AMQPTable
206		{
207	1	return new AMQPTable($array);
208		}
209
210
211		/**
212		* Establishes a connection with RabbitMQ server and opens a channel for the worker in the opened connection, it also sets both of them as defaults.
213		* @return self
214		*/
215	38	public function connect()
216		{
217	38	if (empty($this->connection)) {
218	37	$this->connection = $this->getNewConnection();
219		}
220
221	38	if (empty($this->channel)) {
222	37	$this->channel = $this->getNewChannel();
223		}
224
225	38	return $this;
226		}
227
228		/**
229		* Closes all open channels and connections with RabbitMQ server.
230		* @return self
231		*/
232	50	public function disconnect()
233		{
234	50	if (count($this->channels)) {
235	35	foreach ($this->channels as $channel) {
236	35	$channel->close();
237		}
238	35	$this->channel = null;
239	35	$this->channels = [];
240		}
241
242	50	if (count($this->connections)) {
243	35	foreach ($this->connections as $connection) {
244	35	$connection->close();
245		}
246	35	$this->connection = null;
247	35	$this->connections = [];
248		}
249
250	50	return $this;
251		}
252
253		/**
254		* Executes `self::disconnect()` and `self::connect()` respectively. Note that this method will not restore old channels.
255		* @return self
256		*/
257	1	public function reconnect()
258		{
259	1	$this->disconnect();
260	1	$this->connect();
261
262	1	return $this;
263		}
264
265		/**
266		* Declares a queue on the default channel of the worker's connection with RabbitMQ server.
267		* @param array $parameters [optional] The overrides for the default queue options of the worker.
268		* @param AMQPChannel $_channel [optional] The channel that should be used instead of the default worker's channel.
269		* @return self
270		* @throws AMQPTimeoutException
271		*/
272	20	public function queue(?array $parameters = null, ?AMQPChannel $_channel = null)
273		{
274	20	$changes = null;
275	20	if ($parameters) {
276	7	$changes = $this->mutateClassMember('queueOptions', $parameters);
277		}
278
279	20	$channel = $_channel ?: $this->channel;
280
281		try {
282	20	$channel->queue_declare(
283	20	$this->queueOptions['queue'],
284	20	$this->queueOptions['passive'],
285	20	$this->queueOptions['durable'],
286	20	$this->queueOptions['exclusive'],
287	20	$this->queueOptions['auto_delete'],
288	20	$this->queueOptions['nowait'],
289	20	$this->queueOptions['arguments'],
290	20	$this->queueOptions['ticket']
291		);
292		} catch (AMQPTimeoutException $error) { // @codeCoverageIgnore
293		Exception::rethrow($error); // @codeCoverageIgnore
294		}
295
296	20	if ($changes) {
297	7	$this->mutateClassMember('queueOptions', $changes);
298		}
299
300	20	return $this;
301		}
302
303		/**
304		* Returns the default connection of the worker. If the worker is not connected, it returns null.
305		* @since 1.1.0
306		* @return AMQPStreamConnection\|null
307		*/
308	4	public function getConnection(): ?AMQPStreamConnection
309		{
310	4	return $this->connection;
311		}
312
313		/**
314		* Sets the passed connection as the default connection of the worker.
315		* @since 1.1.0
316		* @param AMQPStreamConnection $connection The connection that should be as the default connection of the worker.
317		* @return self
318		*/
319	1	public function setConnection(AMQPStreamConnection $connection)
320		{
321	1	$this->connection = $connection;
322	1	return $this;
323		}
324
325		/**
326		* Opens a new connection to RabbitMQ server and returns it. Connections returned by this method pushed to connections array and are not set as default automatically.
327		* @since 1.1.0
328		* @param array\|null $parameters
329		* @return AMQPStreamConnection
330		*/
331	37	public function getNewConnection(array $parameters = null): AMQPStreamConnection
332		{
333	37	$changes = null;
334	37	if ($parameters) {
335	1	$changes = $this->mutateClassMember('connectionOptions', $parameters);
336		}
337
338	37	$this->connections[] = $connection = new AMQPStreamConnection(
339	37	$this->connectionOptions['host'],
340	37	$this->connectionOptions['port'],
341	37	$this->connectionOptions['user'],
342	37	$this->connectionOptions['password'],
343	37	$this->connectionOptions['vhost'],
344	37	$this->connectionOptions['insist'],
345	37	$this->connectionOptions['login_method'],
346	37	$this->connectionOptions['login_response'],
347	37	$this->connectionOptions['locale'],
348	37	$this->connectionOptions['connection_timeout'],
349	37	$this->connectionOptions['read_write_timeout'],
350	37	$this->connectionOptions['context'],
351	37	$this->connectionOptions['keepalive'],
352	37	$this->connectionOptions['heartbeat'],
353	37	$this->connectionOptions['channel_rpc_timeout'],
354	37	$this->connectionOptions['ssl_protocol']
355		);
356
357	37	if ($changes) {
358	1	$this->mutateClassMember('connectionOptions', $changes);
359		}
360
361	37	return $connection;
362		}
363
364		/**
365		* Returns the default channel of the worker. If the worker is not connected, it returns null.
366		* @return AMQPChannel\|null
367		*/
368	11	public function getChannel(): ?AMQPChannel
369		{
370	11	return $this->channel;
371		}
372
373		/**
374		* Sets the passed channel as the default channel of the worker.
375		* @since 1.1.0
376		* @param AMQPChannel $channel The channel that should be as the default channel of the worker.
377		* @return self
378		*/
379	1	public function setChannel(AMQPChannel $channel)
380		{
381	1	$this->channel = $channel;
382	1	return $this;
383		}
384
385		/**
386		* Returns a new channel on the the passed connection of the worker. If no connection is passed, it uses the default connection. If the worker is not connected, it returns null.
387		* @param array\|null $parameters [optional] The overrides for the default channel options of the worker.
388		* @param AMQPStreamConnection\|null $_connection [optional] The connection that should be used instead of the default worker's connection.
389		* @return AMQPChannel\|null
390		*/
391	37	public function getNewChannel(array $parameters = null, ?AMQPStreamConnection $_connection = null): ?AMQPChannel
392		{
393	37	$changes = null;
394	37	if ($parameters) {
395	2	$changes = $this->mutateClassMember('channelOptions', $parameters);
396		}
397
398	37	$connection = $_connection ?: $this->connection;
399
400	37	$channel = null;
401	37	if (isset($connection)) {
402	37	$this->channels[] = $channel = $connection->channel(
403	37	$this->channelOptions['channel_id']
404		);
405		}
406
407	37	if ($changes) {
408	2	$this->mutateClassMember('channelOptions', $changes);
409		}
410
411	37	return $channel;
412		}
413
414		/**
415		* Fetches a channel object identified by the passed id (channel_id). If not found, it returns null.
416		* @param int $channelId The id of the channel wished to be fetched.
417		* @param AMQPStreamConnection\|null $_connection [optional] The connection that should be used instead of the default worker's connection.
418		* @return AMQPChannel\|null
419		*/
420	2	public function getChannelById(int $channelId, ?AMQPStreamConnection $_connection = null): ?AMQPChannel
421		{
422	2	$connection = $_connection ?: $this->connection;
423	2	$channels = $connection->channels;
424
425	2	if (array_key_exists($channelId, $channels)) {
426	1	return $channels[$channelId];
427		}
428
429	1	return null;
430		}
431		}
432

MarwanAlsoltany / amqp-agent

Pull Request — master (#12)

AbstractWorker::getChannel() A

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