1 files changed, 66 insertions, 0 deletions
diff --git a/www/wiki/includes/libs/eventrelayer/EventRelayer.php b/www/wiki/includes/libs/eventrelayer/EventRelayer.php
new file mode 100644
index 00000000..0cc9b3d2
--- /dev/null
+++ b/www/wiki/includes/libs/eventrelayer/EventRelayer.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+use Psr\Log\LoggerInterface;
+use Psr\Log\LoggerAwareInterface;
+use Psr\Log\NullLogger;
+
+/**
+ * Base class for reliable event relays
+ */
+abstract class EventRelayer implements LoggerAwareInterface {
+	/** @var LoggerInterface */
+	protected $logger;
+
+	/**
+	 * @param array $params
+	 */
+	public function __construct( array $params ) {
+		$this->logger = new NullLogger();
+	}
+
+	/**
+	 * @param string $channel
+	 * @param array $event Event data map
+	 * @return bool Success
+	 */
+	final public function notify( $channel, $event ) {
+		return $this->doNotify( $channel, [ $event ] );
+	}
+
+	/**
+	 * @param string $channel
+	 * @param array $events List of event data maps
+	 * @return bool Success
+	 */
+	final public function notifyMulti( $channel, $events ) {
+		return $this->doNotify( $channel, $events );
+	}
+
+	public function setLogger( LoggerInterface $logger ) {
+		$this->logger = $logger;
+	}
+
+	/**
+	 * @param string $channel
+	 * @param array $events List of event data maps
+	 * @return bool Success
+	 */
+	abstract protected function doNotify( $channel, array $events );
+}