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4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
16 * http://www.gnu.org/copyleft/gpl.html
22 * Factory class for spawning EventRelayer objects using configuration
26 class EventRelayerGroup
{
28 protected $configByChannel = [];
30 /** @var EventRelayer[] */
31 protected $relayers = [];
34 * @param array[] $config Channel configuration
36 public function __construct( array $config ) {
37 $this->configByChannel
= $config;
41 * @param string $channel
42 * @return EventRelayer Relayer instance that handles the given channel
44 public function getRelayer( $channel ) {
45 $channelKey = isset( $this->configByChannel
[$channel] )
49 if ( !isset( $this->relayers
[$channelKey] ) ) {
50 if ( !isset( $this->configByChannel
[$channelKey] ) ) {
51 throw new UnexpectedValueException( "No config for '$channelKey'" );
54 $config = $this->configByChannel
[$channelKey];
55 $class = $config['class'];
57 $this->relayers
[$channelKey] = new $class( $config );
60 return $this->relayers
[$channelKey];