1 files changed, 53 insertions, 0 deletions
diff --git a/lib/private/command/queuebus.php b/lib/private/command/queuebus.php
new file mode 100644
index 00000000000..29c769e0107
--- /dev/null
+++ b/lib/private/command/queuebus.php
@@ -0,0 +1,53 @@
+<?php
+/**
+ * Copyright (c) 2015 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Command;
+
+use OCP\Command\IBus;
+use OCP\Command\ICommand;
+
+class QueueBus implements IBus {
+	/**
+	 * @var (ICommand|callable)[]
+	 */
+	private $queue;
+
+	/**
+	 * Schedule a command to be fired
+	 *
+	 * @param \OCP\Command\ICommand | callable $command
+	 */
+	public function push($command) {
+		$this->queue[] = $command;
+	}
+
+	/**
+	 * Require all commands using a trait to be run synchronous
+	 *
+	 * @param string $trait
+	 */
+	public function requireSync($trait) {
+	}
+
+	/**
+	 * @param \OCP\Command\ICommand | callable $command
+	 */
+	private function runCommand($command) {
+		if ($command instanceof ICommand) {
+			$command->handle();
+		} else {
+			$command();
+		}
+	}
+
+	public function run() {
+		while ($command = array_shift($this->queue)) {
+			$this->runCommand($command);
+		}
+	}
+}