From f7021a2d9e05f141fa4faeb5bbf1e094ccd0a1b5 Mon Sep 17 00:00:00 2001
From: Andreas Braun <git@alcaeus.org>
Date: Wed, 11 Sep 2019 16:25:41 +0200
Subject: [PATCH] Introduce interface for command loggers

This interface is necessary so the Symfony Bundle can allow registering multiple loggers for commands
---
 .../ODM/MongoDB/APM/CommandLogger.php         |  3 +--
 .../MongoDB/APM/CommandLoggerInterface.php    | 20 +++++++++++++++++++
 2 files changed, 21 insertions(+), 2 deletions(-)
 create mode 100644 lib/Doctrine/ODM/MongoDB/APM/CommandLoggerInterface.php

diff --git a/lib/Doctrine/ODM/MongoDB/APM/CommandLogger.php b/lib/Doctrine/ODM/MongoDB/APM/CommandLogger.php
index c84800944c..5aff600b04 100644
--- a/lib/Doctrine/ODM/MongoDB/APM/CommandLogger.php
+++ b/lib/Doctrine/ODM/MongoDB/APM/CommandLogger.php
@@ -7,13 +7,12 @@
 use Countable;
 use MongoDB\Driver\Monitoring\CommandFailedEvent;
 use MongoDB\Driver\Monitoring\CommandStartedEvent;
-use MongoDB\Driver\Monitoring\CommandSubscriber;
 use MongoDB\Driver\Monitoring\CommandSucceededEvent;
 use function count;
 use function MongoDB\Driver\Monitoring\addSubscriber;
 use function MongoDB\Driver\Monitoring\removeSubscriber;
 
-final class CommandLogger implements Countable, CommandSubscriber
+final class CommandLogger implements Countable, CommandLoggerInterface
 {
     /** @var Command[] */
     private $commands = [];
diff --git a/lib/Doctrine/ODM/MongoDB/APM/CommandLoggerInterface.php b/lib/Doctrine/ODM/MongoDB/APM/CommandLoggerInterface.php
new file mode 100644
index 0000000000..88f90f9f76
--- /dev/null
+++ b/lib/Doctrine/ODM/MongoDB/APM/CommandLoggerInterface.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\ODM\MongoDB\APM;
+
+use MongoDB\Driver\Monitoring\CommandSubscriber;
+
+interface CommandLoggerInterface extends CommandSubscriber
+{
+    /**
+     * Registers this command logger instance with the MongoDB library so it can receive command events
+     */
+    public function register() : void;
+
+    /**
+     * Unregisters this command logger instance with the MongoDB library so it no longer receives command events
+     */
+    public function unregister() : void;
+}