MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / deferred / MergeableUpdate.php

diff --git a/includes/deferred/MergeableUpdate.php b/includes/deferred/MergeableUpdate.php
new file mode 100644 (file)
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+++ b/includes/deferred/MergeableUpdate.php
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+<?php
+
+/**
+ * Interface that deferrable updates can implement. DeferredUpdates uses this to merge
+ * all pending updates of PHP class into a single update by calling merge().
+ *
+ * @since 1.27
+ */
+interface MergeableUpdate {
+       /**
+        * Merge this update with $update
+        *
+        * @param MergeableUpdate $update Update of the same class type
+        */
+       function merge( MergeableUpdate $update );
+}