1 files changed, 30 insertions, 0 deletions
diff --git a/www/wiki/includes/deferred/TransactionRoundDefiningUpdate.php b/www/wiki/includes/deferred/TransactionRoundDefiningUpdate.php
new file mode 100644
index 00000000..a32d4a07
--- /dev/null
+++ b/www/wiki/includes/deferred/TransactionRoundDefiningUpdate.php
@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * Deferrable update that must run outside of any explicit LBFactory transaction round
+ *
+ * @since 1.31
+ */
+class TransactionRoundDefiningUpdate implements DeferrableUpdate, DeferrableCallback {
+	/** @var callable|null */
+	private $callback;
+	/** @var string */
+	private $fname;
+
+	/**
+	 * @param callable $callback
+	 * @param string $fname Calling method
+	 */
+	public function __construct( callable $callback, $fname = 'unknown' ) {
+		$this->callback = $callback;
+		$this->fname = $fname;
+	}
+
+	public function doUpdate() {
+		call_user_func( $this->callback );
+	}
+
+	public function getOrigin() {
+		return $this->fname;
+	}
+}