Code Coverage for /workspace/src/includes/libs/EventRelayer/EventRelayerGroup.php

1	<?php
2	/**
3	* @license GPL-2.0-or-later
4	* @file
5	*/
6
7	namespace Wikimedia\EventRelayer;
8
9	use UnexpectedValueException;
10
11	/**
12	* Factory class for spawning EventRelayer objects using configuration
13	*
14	* @since 1.27
15	*/
16	class EventRelayerGroup {
17	/** @var array[] */
18	protected $configByChannel = [];
19
20	/** @var EventRelayer[] */
21	protected $relayers = [];
22
23	/**
24	* @param array[] $config Channel configuration
25	*/
26	public function __construct( array $config ) {
27	$this->configByChannel = $config;
28	}
29
30	/**
31	* @param string $channel
32	* @return EventRelayer Relayer instance that handles the given channel
33	*/
34	public function getRelayer( $channel ) {
35	$channelKey = isset( $this->configByChannel[$channel] )
36	? $channel
37	: 'default';
38
39	if ( !isset( $this->relayers[$channelKey] ) ) {
40	if ( !isset( $this->configByChannel[$channelKey] ) ) {
41	throw new UnexpectedValueException( "No config for '$channelKey'" );
42	}
43
44	$config = $this->configByChannel[$channelKey];
45	$class = $config['class'];
46
47	$this->relayers[$channelKey] = new $class( $config );
48	}
49
50	return $this->relayers[$channelKey];
51	}
52	}
53
54	/** @deprecated class alias since 1.41 */
55	class_alias( EventRelayerGroup::class, 'EventRelayerGroup' );