/** * Adds one or more object properties. * * @param user User ID * @param anchor Unique ID of Anchor * @param property Property name * @param range InstanceData[] specifying data about objects added by user * @param type Session type (edit, query, browse) * @param key browsing session id (null if session type is EDIT) * @return AnchorInfo[] with serialisable version of feedback text, empty if the user's session is * expired or null if an error occurred */ public AnchorInfo[] updateObjectProperty( String user, String anchor, String property, InstanceData[] range, int type, String key) { if (!userMap.containsKey(user)) return new AnchorInfo[0]; LiberSession session = userMap.get(user); synchronized (session) { session.setLastUpdated(); return session.updateObjectProperty(anchor, property, range, type, key); } }