+public void on_unit_new(string id, ObjectPath path) {
+ stdout.printf("Unit %s added.\n", id);
+}
+
+public void on_job_new(uint32 id, ObjectPath path) {
+ stdout.printf("Job %u added.\n", id);
+}
+
+public void on_unit_removed(string id, ObjectPath path) {
+ stdout.printf("Unit %s removed.\n", id);
+}
+
+public void on_job_removed(uint32 id, ObjectPath path) {
+ stdout.printf("Job %u removed.\n", id);
+}
+