add hasUpdated to oc_filestorage

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/filestorage.php b/lib/filestorage.php
index 1d7e004af3b..71ef4aed00b 100644
--- a/lib/filestorage.php
+++ b/lib/filestorage.php
@@ -50,4 +50,13 @@ abstract class OC_Filestorage{
 	abstract public function search($query);
 	abstract public function touch($path, $mtime=null);
 	abstract public function getLocalFile($path);// get a path to a local version of the file, whether the original file is local or remote
+	/**
+	 * check if a file or folder has been updated since $time
+	 * @param int $time
+	 * @return bool
+	 *
+	 * hasUpdated for folders should return at least true if a file inside the folder is add, removed or renamed.
+	 * returning true for other changes in the folder is optional
+	 */
+	abstract public function hasUpdated($path,$time);
 }