Fix migration

lib/classes/patchInterface.php

@@ -4,12 +4,44 @@ use Alchemy\Phrasea\Application;
 
 interface patchInterface
 {
-
+    /**
+     * Returns the release version.
+     *
+     * @return string
+     */
     public function get_release();
 
+    /**
+     * Returns whether the patch concerns the Application Box or
+     * the Data Box.
+     *
+     *  It accepts base::APPLICATION_BOX or base::DATA_BOX value.
+     *
+     * @return array
+     */
     public function concern();
 
+    /**
+     * Tells whether the patch must be run after the others or not.
+     *
+     * @return boolean
+     */
     public function require_all_upgrades();
 
+    /**
+     * Apply patch.
+     *
+     * @param base        $base The Application Box or the Data Boxes where the patch is applied.
+     * @param Application $app
+     *
+     * @return boolean returns true if the patch succeed.
+     */
     public function apply(base $base, Application $app);
+
+    /**
+     * Returns doctrine migrations needed for the patch.
+     *
+     * @return array
+     */
+    public function getDoctrineMigrations();
 }